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7-11

IM WT3001E-51EN

Harmonic Measurement in Normal Measurement Mode (Option)

Index

Explanation

• Meaning of the Measurement Function Symbols

For the meanings of the measurement function symbols that are displayed, see

section 7.1, “Harmonic Measurement Function” or 7.11, “Harmonic Measurement
Specifications.”

Example 20

harmonic voltage of element 2

U2(20)

20th order
Element 2

Voltage

Average of the Fundamental Current of the Elements Combined by Wiring

Unit ΣB

IΣB(1)

Σ function of wiring unit ΣB

1st order (fundamental wave)

Current

• Selecting the Display Mode

Select the display format of the numeric data from below. [-------] (no data) is displayed

in places where the measurement function is not selected or there are no numeric
data.

• Displaying the Numeric Data on the Entire Screen

Press the NUMERIC key to display the numeric data on the entire screen.

• Displaying Numeric Data by Dividing the Screen into Halves (Split Display)

• Wave
The numeric data and waveform are displayed separately in the top and bottom

windows.

• Bar
The numeric data and bar graph are displayed separately in the top and bottom

windows. For details on how to set the bar graph display, see section 7.9.

• Trend
The numeric data and trend are displayed separately in the top and bottom

windows.

7.2 Setting the Measurement Mode and Displaying Numeric Data

Содержание WT3000E

Страница 1: ...IM WT3001E 51EN 2nd Edition Precision Power Analyzer Expansion Function WT3001E WT3002E WT3003E WT3004E ...

Страница 2: ...T3001E 51EN This manual Explains the expansion functions of this instrument and their operating procedures WT3001E WT3002E WT3003E WT3004E Precision Power Analyzer User s Manual IM WT3001E 92Z1 Document for China The EN and Z1 in the manual numbers are the language codes Contact information of Yokogawa offices worldwide is provided on the following sheet Document No Description PIM 113 01Z2 List o...

Страница 3: ... the United States and or other countries Adobe and Acrobat are either registered trademarks or trademarks of Adobe Systems Incorporated For purposes of this manual the and TM symbols do not accompany their respective registered trademark names or trademark names Other company and product names are registered trademarks or trademarks of their respective holders Revisions 1st Edition June 2015 2nd ...

Страница 4: ...cautions described in the User s Manual IM WT3001E 01EN and this manual IM WT3001E 51EN must be observed during all phases of operation If the instrument is used in a manner not specified in these manuals the protection provided by the instrument may be impaired This manual is an essential part of the product keep it in a safe place for future reference YOKOGAWA assumes no liability for the custom...

Страница 5: ...des gestes ou des conditions susceptibles de provoquer des blessures légères ou d endommager l instrument ou les données de l utilisateur et sur les précautions de sécurité susceptibles de prévenir de tels accidents Note Calls attention to information that is important for proper operation of the instrument Subheadings On pages that describe operating procedures the following symbols displayed cha...

Страница 6: ...he Built in Printer 2 7 2 4 Printing Numeric Data Lists on the Built in Printer 2 9 2 5 Auto Print 2 12 2 6 Built in Printer Specifications 2 18 Chapter 3 D A Output and Remote Control Option 3 1 Part Names and Functions of D A Output 3 1 3 2 Setting the D A Output 3 3 3 3 Setting the D A Zoom 3 10 3 4 Remote Control 3 12 3 5 D A Output and Remote Control Specifications 3 14 Chapter 4 RGB Video Si...

Страница 7: ...ement Option 8 1 Wide Bandwidth Harmonic Measurement Function 8 1 8 2 Various Settings Related to Wide Bandwidth Harmonic Measurement 8 2 8 3 Selecting the Wide Bandwidth Harmonic Measurement Mode and Displaying Numeric Data 8 3 8 4 Turning ON OFF the Timeout Warning Display of the PLL Lock 8 5 8 5 Wide Bandwidth Harmonic Measurement Specifications 8 6 Chapter 9 IEC Harmonic Measurement Option 9 1...

Страница 8: ...pecifications 11 20 Chapter 12 Voltage Fluctuation and Flicker Measurement Option 12 1 Voltage Fluctuation and Flicker Measurement Function 12 1 12 2 Setting the Voltage Fluctuation and Flicker Measurement Mode 12 6 12 3 Setting the Measurement Conditions 12 8 12 4 Setting the Judgement Conditions 12 13 12 5 Executing the Normal Voltage Fluctuation and Flicker Measurement 12 18 12 6 Executing the ...

Страница 9: ...ction option the rotating speed torque and output of a motor can be determined from the signal that is proportional to the rotating speed of the motor and the signal received from a torque meter which is proportional to the motor s torque The signal applied from the revolution sensor or torque meter to this instrument can be selected from analog signal DC voltage or pulse signal In addition the sy...

Страница 10: ...r a DC voltage analog signal or a pulse signal that is proportional to the rotating speed of the motor according to the following specifications SPEED 20V MAX DC Voltage Analog Input Item Specifications Connector type Input range Effective input range Input resistance Maximum allowable input Continuous maximum common mode voltage Isolated BNC connector 1 V 2 V 5 V 10 V and 20 V 0 to 110 of the mea...

Страница 11: ...nge Effective input range Input resistance Maximum allowable input Continuous maximum common mode voltage Isolated BNC connector 1 V 2 V 5 V 10 V and 20 V 0 to 110 of the measurement range Approx 1 MΩ 22 V 42 Vpeak or less Pulse Input Item Specifications Connector type Frequency range Amplitude input range Effective amplitude Input waveform Input resistance Continuous maximum common mode voltage I...

Страница 12: ...ys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press SHIFT SCALING MOTOR SET to display the Motor Set dial...

Страница 13: ...ution Signal Type Analog Pulse Analog range section 1 4 Required Not required Line filter section 1 5 Required Not required Synchronization source section 1 5 Required Recommended Pulse range section 1 6 Not required Required Pulse count per revolution section 1 6 Not required Required Measurement is possible using None default but it is recommended that you specify the setting to improve the meas...

Страница 14: ...1EN Common Settings Not Dependent on the Signal Type Motor s number of poles and frequency measurement source section 1 7 Scaling factor and unit section 1 8 1 3 Selecting the Type of the Revolution and Torque Signals ...

Страница 15: ...nation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN The settings covered in this section apply to the case when the input signal type is set to Analog You do not have to specify the settings in this section if t...

Страница 16: ...Torque Signal Selecting Auto Range 2 Press the cursor keys to select Auto Range under Torque 3 Press SET An auto range selection box appears 4 Press the cursor keys to select ON or OFF 5 Press SET to confirm the auto range setting When Measuring Using a Fixed Range When Auto Range Is Set to OFF 6 Press the cursor keys to select Range under Torque 7 Press SET An input range selection box appears 8 ...

Страница 17: ...signal Range Increase When the rotating speed or torque data exceeds 110 of the current measurement range the measurement range is increased When the peak value of the input signal exceeds approximately 150 of the measurement range the range is increased Range Decrease When the rotating speed or torque data is less than 30 of the measurement range and the peak value of the input signal is less tha...

Страница 18: ... the procedures see section 3 14 in the User s Manual IM WT3001E 01EN The settings covered in this section apply to the case when the input signal type is set to Analog You do not have to specify the settings in this section if the input signal type is set to Pulse 1 Press SHIFT SCALING MOTOR SET to display the Motor Set dialog box Selecting the Line Filter 2 Press the cursor keys to select Line F...

Страница 19: ...ed elements U1 I1 U2 I2 U3 I3 U4 I4 Ext Clk external clock and None For the specifications of the Ext Clk external clock see the explanation in section 7 4 The measurement period determined by the synchronization source selected here is used to measure the analog signal of the revolution signal and torque signal If you specify no synchronization source by selecting None the entire sampled data wit...

Страница 20: ...ction 3 14 in the User s Manual IM WT3001E 01EN Cursor keys The settings covered in this section apply to the case when the input signal type is set to Analog You do not have to specify the settings in this section if the input signal type is set to Pulse 1 Press SHIFT SCALING MOTOR SET to display the Motor Set dialog box Setting the Pulse Input Range of the Revolution Signal If the revolution sig...

Страница 21: ...pper limit of the pulse input range 5 Press SET or ESC to close the box 6 Press the cursor keys to select Pulse Range Lower under Torque 7 Press SET A pulse input range entry box appears 8 Press the cursor keys to set the lower limit of the pulse input range 9 Press SET or ESC to close the box Setting the Pulse Count per Revolution of the Revolution Signal 2 Press the cursor keys to select Pulse N...

Страница 22: ...entry box appears 8 Press the cursor keys to set the positive pulse rating pulse frequency 9 Press SET or ESC to close the box Setting the Negative Rating 2 Press the cursor keys to select Pulse Rated Lower under Torque 3 Press SET A pulse rating torque entry box appears 4 Press the cursor keys to set the negative pulse rating torque 5 Press SET or ESC to close the box 6 Press the cursor keys to s...

Страница 23: ...t the pulse count per rotation Set the value in the range of 1 to 9999 Rotating Speed Input pulse count from the revolution sensor per minute scaling factor Pulse count pulse count per revolution If the scaling factor is 1 the rotating speed is the number of rotations per minute min 1 or rpm In addition if the revolution signal is a changed signal you can set the scaling factor see section 1 7 to ...

Страница 24: ...e output torque sensor Pulse rating positive Outputs 15 kHz for 50 N m Pulse rating negative Outputs 5 kHz for 50 N m Torque pulse offset Number of output pulse 15 kHz 5 kHz 50 N m Output axis 50 N m Input torque Torque signal Pulse signal corresponding to 20 N m to 20 N m D A output signal to the recorder 5 V for 20 N m to 20 N m Pulse input range and pulse rating settings of the torque signal Mo...

Страница 25: ...SHIFT To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Cursor keys 1 Press SHIFT SCALING MOTOR SET to display the...

Страница 26: ...d to Transform the Torque Signal 2 Press the cursor keys to select Scaling under Torque 3 Press SET A scaling factor entry box appears 4 Press the cursor keys to set the scaling factor 5 Press SET or ESC to close the box Setting the Unit of Torque 2 Press the cursor keys to select Unit under Torque 3 Press SET A keyboard appears 4 Use the keyboard to set the unit For keyboard operations see sectio...

Страница 27: ...Pm 3 Press SET A scaling factor entry box appears 4 Press the cursor keys to set the scaling factor 5 Press SET or ESC to close the box Setting the Unit of Motor Output 2 Press the cursor keys to select Unit under Pm 3 Press SET A keyboard appears 4 Use the keyboard to set the unit For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN 1 7 Setting the Scaling Factor and Unit...

Страница 28: ...torque meter scaling factor When the Torque Signal Type is Pulse The value is used as a scaling factor in the equation given in Setting the Torque Signal Pulse Count in section 1 6 Setting the Scaling Factor Used to Compute the Motor Output You can specify the scaling factor used to compute the motor output mechanical power from the rotating speed and torque Set the value in the range of 0 0001 to...

Страница 29: ...LEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Cursor keys 1 P...

Страница 30: ...selectable items vary depending on the installed elements U1 I1 U2 I2 U3 I3 U4 and I4 Select any of the source input signals for frequency measurement When the button to the left of the input signal in the frequency measurement source selection box is highlighted that is the source input signal for frequency measurement selected in section 5 3 in the User s Manual IM WT3001E 01EN If you select an ...

Страница 31: ... of the rotating speed see section 1 7 so that the unit of rotating speed s also min 1 or rpm 100 Synchronous speed min 1 rotating speed min 1 Rotating speed min 1 Slip Rotating speed derived in section 1 6 Note Please select a stable voltage or current supplied by the motor with small distortion or noise for the frequency measurement source 1 8 Setting the Motor and Frequency Measurement Source f...

Страница 32: ...on by the motor PΣA When the Converter and Motor Inputs Are Wire to ΣA and ΣB Respectively 100 Motor output Pm W PΣB W Motor efficiency 100 Motor output Pm W PΣA W Total efficiency Motor output Pm derived in section 1 7 Converter Inverter etc Motor Motor output Pm PΣB PΣA Power consumption by the motor Power consumption by the motor and converter When the Converter and Motor Inputs Are Wire to ΣB ...

Страница 33: ...Vpeak or less 0 1 of reading 0 1 of range 0 03 of range C For pulse input Item Specifications Connector type Frequency range Amplitude input range Effective amplitude Input waveform Input resistance Continuous maximum common mode voltage Accuracy Isolated BNC connector 2 Hz to 200 kHz 12 Vpeak 1 V peak to peak or more 50 duty ratio rectangular wave Approx 1 MΩ 42 Vpeak or less 0 05 of reading 1 mH...

Страница 34: ...e the gear change The unit of synchronized speed is fixed to min 1 or rpm Normally the frequency measurement source is set to the voltage or current that is supplied to the motor The synchronized speed may not be determined correctly if a different signal is specified When the unit of speed is min 1 or rpm the unit of torque is N m and the scaling factor is 1 the unit of motor output Pm is W SyncS...

Страница 35: ... SHIFT PRINT MENU key Feeds the paper and sets the screen image data and numeric data list printing Built in printer Functional Description Screen images and numeric data list can be printed on the built in printer Comments can be inserted in the screen images For the Procedure to print the screen image on a network printer see section 5 4 The numeric data list cannot be printed on a network print...

Страница 36: ...er en contact avec le dispositif de coupe lors de l ouverture du couvercle de l imprimante et de la charge du papier en rouleau dans son logement Procedure START STOP REMOTE CAL MOTOR SET CURSOR NULL MENU STORE SET MENU LOWER ITEM LOWER FORM ALL USER SET DISPLAY ITEM ELEMENT RESET SET PAGE PAGE SCALING HRM SET MEASURE SYNCSOURCE AVG LINEFILTER FREQ FILTER FILE PRINT MISC STORE IMAGESAVE HELP NUMER...

Страница 37: ...ttom and right sections of the printer unit and pull the printer unit out until it stops approximately 5 cm Hold the top bottom and right 4 While holding the left and right sides of the tray with your hands pull up both sides of the front cover of the printer unit with your thumbs Pull the cover up with your fingers Cover Tray 2 2 Loading the Roll Paper and Feeding the Paper ...

Страница 38: ... roll paper in the holder with the thermal sensitive side facing up Guide 6 While pressing the stopper to the left so that the latch is disengaged lower the cover Support the tray from the bottom with both hands and close the cover until it clicks in place Stopper Press the stopper to the left to disengage the latch Cover Lower the cover until it clicks in place Tray Cover 2 2 Loading the Roll Pap...

Страница 39: ...Lever This completes the loading of roll paper Feeding the Paper 1 Press SHIFT PRINT MENU to display the Print menu 2 Press the Paper Feed soft key Each time the soft key is pressed the roll paper is fed approximately 3 cm Cutting the Roll Paper To cut the paper after the paper roll is loaded and the printer cover is closed or after printing the measured data pull the roll paper upward against the...

Страница 40: ...lypropylene When using glue on the paper do not use glue containing organic solvents such as alcohol or ether as they will change the color of the paper For prolonged storage we suggest you copy the roll chart Due to the characteristics of the thermalsensible paper it may lose color over time Handling Precautions Use only genuine paper rolls provided by YOKOGAWA Touching the paper with sweaty hand...

Страница 41: ...INGLE INTEG LOCAL SHIFT To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Cursor keys 1 Press SHIFT PRINT MENU to ...

Страница 42: ...ges can be printed on the built in printer option Setting Comments The comment that you entered is displayed at the bottom of the screen The comment on the screen is also printed as a screen image Number and Types of Characters That Can Be Used Item Number of Characters Characters That Can Be Used Comment 0 to 20 characters Characters that are displayed on the keyboard and spaces More than 20 char...

Страница 43: ... above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press SHIFT PRINT MENU to display the Print menu Selecting the Printer 2 Press the Print to soft key to display t...

Страница 44: ...ess the cursor keys to select Preset1 or Preset2 8 Press SET The buttons to the left of all the elements and measurement functions that are specified in Preset1 or Preset2 are highlighted indicating that the items will be printed Items specified in Preset1 Items specified in Preset2 Setting the Items One at a Time 7 Press the cursor keys to select the element or measurement function that you wish ...

Страница 45: ...alled elements are applicable for the selection Selecting the Numeric Data Only installed elements and wiring units are applicable for the selection There are limitations on the numeric data that can be measured and printed in measurement modes 3 other than normal measurement mode For details on the numeric data limitations see appendix 11 in the User s Manual IM WT3001E 01EN no data is printed in...

Страница 46: ...ocedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press SHIFT PRINT MENU to display the Print menu Setting the Print Destination Output Format Etc 2 Set the print destination to the built in printer and set the output format according to the Procedures given in sections 2 3 and 2 4 Selecting ...

Страница 47: ...that you selected in step 12 15 Press SET or ESC to close the box 16 Repeat steps 12 to 15 to set the hour minute and second Executing the Auto Print Check that the roll paper is loaded properly and that the printer unit is pushed into the correct position 17 Press the Auto Print ON soft key If the reservation time for starting the printing is later than the time when Auto Print ON is pressed the ...

Страница 48: ...ned ON while integration is not started the PRINT key blinks and this instrument enters the Ready state When integration starts the PRINT key illuminates stops blinking and the auto print is started If Auto Print is turned ON while integration is in progress the PRINT key illuminates and the auto print starts Aborting the Print Operation 11 Press PRINT while the print operation is in progress to a...

Страница 49: ... are set as print items printing may take a long time Set the print interval longer than the time needed for printing If you operate the keys or perform communications at the time of printing the print start time may be delayed or the printing may take a long time Selecting the Synchronization Mode of the Auto Print You can select the method used to start stop the auto print from the following Tim...

Страница 50: ...function you must set the print destination to the built in printer and set the output format and other settings For the Procedure see section 2 3 or 2 4 The settings of the following functions cannot be changed while auto print is in progress The synchronization mode reservation time and interval of auto print printer output items wiring system crest factor synchronization source data update inte...

Страница 51: ...ime When integration start is before turning Auto Print ON No printing Print Print Time PRINT key illuminated Print interval Print interval Print Print Integration stop Integration start Auto Print ON Auto Print OFF PRINT key turned OFF PRINT key blinking Print interval When integration start is after turning Auto Print ON Print Print Time PRINT key illuminated Print interval Print interval Print ...

Страница 52: ...r Specifications Item Specifications Print system Thermal line dot system Dot density 8 dots mm Paper width 112 mm Printing width 104 mm Auto print Set the print interval to automatically print the measured values Set the start and end times ...

Страница 53: ...ime of integrated D A output Rear Panel D A OUTPUT D A output and remote control option D A output Outputs numeric data that has been converted to analog DC voltage Remote control Controls this instrument using an external signal between 0 to 5 V Pin Arrangement and Signal Assignment of the D A Output Connector The pin arrangement and assignments of the connector are as follows Pin No Signal Name ...

Страница 54: ... signals to other instruments The analog signal is DC voltage of 5 V FS The numeric data of up to 20 items can be output Recorder etc Outputs numeric data of 20 items Remote Control Hold single measurement integration start stop reset and print output can be controlled externally 3 1 Part Names and Functions of D A Output ...

Страница 55: ...EM FORM U I P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the Use...

Страница 56: ... Element1 10 Press SET to confirm Selecting the Harmonic Order Applicable Only on Models with the Advanced Computation Option This is displayed only on models with the harmonic measurement option 11 Press Order soft key 12 Press the cursor keys to select the order When the measurement mode is normal measurement waveform computation or FFT select normal measured value or an order between 0 and the ...

Страница 57: ...e cursor keys to select the hour minute or second box 17 Press SET An entry box appears 18 Press the cursor keys to set the hour minute or second that you selected in step 16 19 Press SET or ESC to close the box 20 Repeat steps 16 to 19 to set the hour minute and second Checking the D A Output Items 1 Press SHIFT WIRING INPUT INFO Power Element Settings appears 2 Press PAGE to show DA Output Setti...

Страница 58: ...veform computation mode FFT mode The D A output function cannot be used in the following measurement modes This instrument outputs 0 V on all channels IEC harmonic measurement mode Voltage fluctuation and flicker measurement mode Cycle by cycle measurement mode D A Output Item Selecting the Measurement Function The types of measurement functions that can be selected are the items that are indicate...

Страница 59: ... Computation and chapter 7 Harmonic Measurement in Normal Measurement Mode Option in this manual For details on the wiring units expressed as ΣA and ΣB see section 4 1 Selecting the Wiring System in the User s Manual IM WT3001E 01EN 0 V is output in places where the measurement function is not selected or there are no numeric data The range of the order of the numeric data determined by the harmon...

Страница 60: ...00 00 to 10000 00 00 This setting is valid in the manual integration mode For normal integration and repetitive integration modes includes real time the time specified for the timer is the rated time of integrated D A output Note When the rated time of integrated D A output is 00000 00 00 the D A output of the integrated value is fixed to 0 V Relationship between the Output Items and D A Output Vo...

Страница 61: ...put range of 10 V if the scaling factor is set to 1 N m torque per 1 V input voltage 5 V is output when torque is 10 N m For Speed 5 V is output when the rotating signal is an analog signal and the measured value is equal to a value rated value defined by input range torque scaling factor For example with an input range of 10 V if the scaling factor is set to 100 rpm rotating speed per 1 V input v...

Страница 62: ...lues and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press MISC to display the Misc menu 2 Press the Next 1 2 soft key to display the Next 2 2 menu 3 Press the D A Output Items soft key to display the D A Output menu Selecting the Target Channel 4 Press the cursor keys to select a value between 1 and 20 Selecting Whether to D A Zoom Manua...

Страница 63: ... maximum and minimum values to 0 6 and 0 8 respectively Then the D A output delivers 5 V and 5 V when the measured current is 0 6 A and 0 8 A respectively Selecting the D A Output Range Mode Select either mode from below Manual The displayed values of the measurement functions corresponding to the D A output of 5 V and 5 V can be set arbitrarily Fixed Outputs 5 V when the rated value of each measu...

Страница 64: ...ation operation Holding the Data Display Same Function as the HOLD Key 10 ms or more EXT HOLD Apply the EXT HOLD signal as shown in the figure below Updating the Display Data Being Held Same Function as the SINGLE Key EXT SINGLE 10 ms or more Applying the EXT SINGLE signal while the display is held updates the display Note If the period of the EXT SINGLE signal does not meet the conditions of the ...

Страница 65: ...ternal voltage to them If you do the instrument may malfunction French ATTENTION Ne pas appliquer de tension hors de la plage 0 à 5 V aux broches d entrée de la télécommande Ne pas court circuiter non plus les broches de sortie ni y appliquer de tension externe Le cas échéant un dysfonctionnement de l instrument est possible Remote Control Input Output Circuit 0 01 μF 0 01 μF 5 V 5 V 10 kΩ 10 kΩ 1...

Страница 66: ...rument Number of outputs 20 channels Output item for each channel specifiable Accuracy accuracy of each measurement function 0 1 of FS FS 5 V Minimum load 100 kΩ Temperature coefficient 0 05 of FS C Continuous maximum common mode voltage 42 Vpeak or less Relationship between the output items and D A output voltages See section 3 2 Remote Control Item Specifications Signal EXT START EXT STOP EXT RE...

Страница 67: ...ly external voltage to it If you do the instrument may malfunction French ATTENTION Connecter le câble après avoir mis cet instrument et le moniteur hors tension Ne pas court circuiter la borne RGB VIDEO OUT ni y appliquer de tension externe Le cas échéant un dysfonctionnement de l instrument est possible Pin Arrangement and Assignments of the Video Signal Output Connector The pin arrangement and ...

Страница 68: ...on the monitor when both this instrument and the monitor are turned ON Note The RGB video signal is constantly output from the video signal output connector The monitor screen may flicker if this instrument or another instrument is brought close to the monitor The edge of the screen may drop out depending on the monitor type 4 1 Names and Functions of the Parts of the RGB Video Signal VGA Output ...

Страница 69: ...01E 51EN RGB Video Signal VGA Output Option 1 2 3 4 5 6 7 8 9 10 11 12 13 Index 4 2 RGB Video Signal VGA Output Specifications Item Specifications Connector type D sub 15 pin receptacle Output type VGA compatible ...

Страница 70: ...t See section 3 4 in the User s Manual IM WT3001E 01EN 2 Connect one end of the UTP or STP cable to the ETHERNET 100BASE TX terminal on the rear panel 3 Connect the other end of the UTP or STP cable to a hub or router 4 Likewise connect the PC to a hub or router 5 Turn ON the power switch of this instrument see section 3 4 in the User s Manual IM WT3001E 01EN Hub or router that supports 100BASE TX...

Страница 71: ...ve the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Cursor keys If you set the TCP IP parameters for the first time or change the parameters restart this instrument to app...

Страница 72: ... Enter all four octets of the IP address Entering the Subnet Mask Enter the subnet mask according to the system or network to which this instrument belongs If the subnet mask is not required proceed to Entering the Default Gateway 12 Press the cursor keys to select Net Mask 13 Enter all four octets of the subnet mask of the network to which this instrument belongs in the same fashion as the IP add...

Страница 73: ...S server address in the same fashion as the IP address Entering the Address of the Secondary DNS Server Enter the information if the system or network to which this instrument belongs uses a secondary DNS server If a secondary server is not used proceed to Entering the Primary Domain Suffix 25 Press the cursor keys to select DNS Server2 26 Enter all four octets of the secondary DNS server address ...

Страница 74: ...s of this instrument the DHCP IP address IP address subnet mask default gateway and DNS must be specified Consult your system or network administrator when setting these parameters DHCP Dynamic Host Configuration Protocol DHCP is a protocol that allocates settings that are needed temporarily to PCs connecting to the network If DHCP is turned ON when a DHCP server exists on the network the paramete...

Страница 75: ...ured in environments using DHCP Default Gateway You can set the IP address of the gateway default gateway used to communicate with other networks The default setting is 0 0 0 0 The default gateway has control functions that handle protocol exchanges when communicating with multiple networks so that data transmission is carried out smoothly Consult your network administrator for the default gateway...

Страница 76: ... set by the DHCP server Set manually supplied by your network administrator Set manually check with your network administrator Set manually check with your network administrator DHCP Server is available DNS ON OFF DHCP Server is not available Domain name DNS server address Domain suffix Set manually Set manually Set manually Setting not necessary Setting not necessary Setting not necessary If DHCP...

Страница 77: ... specify parameters as indicated in the next table For details on the parameters consult your system or network administrator Parameter Value Note IP address Example 192 168 21 128 IP address for the PC Subnet mask Example 255 255 255 0 Set the same value as the subnet mask that was specified for this instrument Gateway None DNS Disable WINS Disable The following procedure describes the steps for ...

Страница 78: ...M FORM U I P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM...

Страница 79: ...alue entry box appears 16 Press the cursor keys to set the timeout value 17 Press SET or ESC to close the box Connecting to Disconnecting from the Save Destination FTP Server 18 Press the cursor keys to select Connect or Disconnect 19 Press SET If you select Connect and press SELECT a connection is established to the save destination FTP server When the connection is made is displayed in the upper...

Страница 80: ...FTP server Enabling Disabling file protection copying and renaming Formatting the FTP server medium Entering the Login Name and Password Enter the login name and password for accessing the save destination FTP server Login Name Enter up to 15 characters The characters that can be used are 0 9 A Z _ parentheses minus sign Password Enter up to 15 characters The characters that can be used are 0 9 A ...

Страница 81: ...GLE INTEG LOCAL SHIFT Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press MISC to display the Mi...

Страница 82: ...eyboard appears 10 Use the keyboard to set the printer name For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN Setting the Output Destination to a Network Printer 1 Press SHIFT PRINT MENU to display the Print menu 2 Press the Print to soft key to display the Print to menu 3 Press the Net Print soft key Selecting the Output Command 4 Press the Format soft key to display t...

Страница 83: ...ted BJ or PCL5 in step 5 8 Press the Color soft key to select ON or OFF Setting Comments 9 Press the Comment soft key A keyboard appears 10 Use the keyboard to enter the comment For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN Executing the Print Operation 11 Switch to the screen you wish to print 12 Press the PRINT soft key The screen image is printed Canceling the Pr...

Страница 84: ... PCL5 ON The displayed screen image can be output to a printer in color 256 colors OFF The displayed screen image can be output to a printer in black and white Setting Comments Same as the explanation given in File Name and Comment in section 9 3 in the User s Manual IM WT3001E 01EN Note The LPR client function cannot be used under the following cases When this instrument is performing file operat...

Страница 85: ...LOCAL SHIFT Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press MISC to display the Misc menu 2 ...

Страница 86: ...as necessary 11 Press the cursor keys to select Comment 12 Press SET A keyboard appears 13 Use the keyboard to enter the comment For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN Setting the Time of Transmission 14 Press the cursor keys to select the hour minute or second box of MailBaseTime 15 Press SET An entry box appears 16 Press the cursor keys to set the hour minu...

Страница 87: ... from the following If you select OFF mails are not transmitted OFF 1h 2h 3h 4h 6h 8h 12h and 24h Transmitted Information of this instrument Number of Displayed Items Transmitted Data 4 Items All numeric data on pages 1 to 9 on the screen 36 data values 8 Items All numeric data on pages 1 to 9 on the screen 72 data values 16 Items All numeric data on pages 1 to 9 on the screen 144 data values All ...

Страница 88: ...LE INTEG LOCAL SHIFT Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN The FTP server function can be ...

Страница 89: ... 8 Press the cursor keys to select Password 9 Press SET to display the keyboard 10 Use the keyboard to enter the password For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN Setting the Timeout Value 11 Press the cursor keys to select Time Out 12 Press SET to display the timeout time selection box 13 Press the cursor keys to set the timeout value 14 Press SET or ESC to cl...

Страница 90: ...from the outside PC or workstation without a password Setting the Password Enter the password for the user name to allow access to this instrument Enter up to 15 characters The characters that can be used are 0 9 A Z _ parentheses minus sign If the user name is set to anonymous this instrument can be accessed from the outside PC or workstation without a password Setting the Timeout Value This inst...

Страница 91: ...r LPR client function see section 5 3 When this instrument is performing file operations see chapter 9 in the User s Manual IM WT3001E 01EN The PC card USB storage and network drive are displayed as PC_Card USB and ND0 respectively at the root directory of the PC or workstation accessing this instrument The log list is cleared when the power is turned OFF When using the FTP server function set the...

Страница 92: ...e used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press MISC to display the Misc menu 2 Press the Next 1 2 soft key to display the Next 2 2 menu 3 Press the Network soft key to display the Network menu 4 Press the Others soft key to display the Others dialog...

Страница 93: ...e Hour to 9 and Minute to 00 Checking the Standard Time Check the standard time for the region where this instrument is to be used using one of the following methods Check the date and time settings on your PC Windows Check the site at the following URL http www worldtimeserver com Note This instrument does not support Daylight Savings Time To set the Daylight Savings Time adjust the time differen...

Страница 94: ...procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press MISC to display the Misc menu 2 Press the System Overview soft key to display the System Overview window The availability of the Ethernet communication function option and the MAC address information are displayed in the System Overview window Explanation Availability of the Ethernet Communication Function Option The availabi...

Страница 95: ...ATE HOLD SINGLE INTEG LOCAL SHIFT To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Cursor keys 1 Press MISC to di...

Страница 96: ...d a firewall that requires the passive mode The default setting is OFF A firewall is furnished on a system that has security features It prevents intrusion from the outside into the network system Setting the LPR Timeout Value This instrument closes the connection to the printer if there is no response from the printer for a certain period of time timeout time while it attempts to access the print...

Страница 97: ...instrument to a specified mail address DHCP DNS Remote control This instrument can be controlled remotely from a host such as a PC For details see the Communication Interface User s Manual IM WT3001E 17EN TCP Port Numbers that this instrument Uses Port Number Description Function 20 File Transfer Default Data FTP server and FTP client 21 File Transfer Control FTP server and FTP client 25 Simple Ma...

Страница 98: ... system or a three phase three wire system using 2 elements can be computed T R S T R S Using the data from a three phase four wire system various data of a delta connection can be computed from the data of a star connection star delta transformation R S T R S T Using the data from a three phase three wire three voltage three current system various data of a star connection can be computed from th...

Страница 99: ...al explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press WIRING to display the Wiring menu 2 Press the Measure soft key to display the Measure dialog box Selecting the Target Wiring Unit for the Delta...

Страница 100: ...n select the delta computation type from the choices below The selectable items vary depending on the selected wiring system pattern Wiring system Selectable delta computation type 1P3W Difference 3P3W 3V3A 3P3W Difference 3P3W 3V3A 3P4W Star Delta 3P3W 3V3A Delta Star Difference Computes the differential voltage and differential current between two elements When Difference is specified for wiring...

Страница 101: ...commended that the measurement range and scaling VT CT ratio and coefficients of the elements that are being computed delta computation be set the same as much as possible Using a different measurement range or scaling causes the measurement resolution of the sampled data to be different In effect the computation result will have errors The number 1 2 3 and 4 that is attached to the measurement fu...

Страница 102: ...ine The centroid of the delta connection is computed as the neutral point of the star connection Voltage U and current I equations in appendix 1 Symbols and Determination of Measurement Functions in the User s Manual IM WT3001E 01EN Note The wiring unit on which to perform delta computation can be selected from ΣA and ΣB The input element that is assigned to the selected element is the element on ...

Страница 103: ...mputation 3P3W 3V3A Line voltage and phase current that are not measured but can be computed for a three phase three wire system DELTA STAR Line voltage and neutral line current that can be computed for a three phase three wire 3V3A system STAR DELTA Neutral line voltage and neutral line current that can be computed for a three phase four wire system ...

Страница 104: ...IEC 61000 3 2 Wide Bandwidth Harmonic Measurement Mode Harmonic measurement up to 50th order can be performed on a signal with a 1 kHz fundamental frequency Use this mode for harmonic measurement of signals whose fundamental frequency is higher than the commercial power supply frequency By applying an external sampling clock harmonics can be measured on low frequency signals with a fundamental fre...

Страница 105: ...ot attached to the measurement function U1 Total Normal Measured Value Total Value 1 When the number of displayed items is set to All rms is not displayed Distinguish between normal measured value and total value by checking the measurement mode display at the upper left of the screen Normal measurement mode Waveform computation mode FFT mode Voltage fluctuation and flicker measurement mode Cycle ...

Страница 106: ... the same wiring system that are grouped Depending on the wiring system pattern up to two wiring units can be constructed which are represented by symbols ΣA and ΣB The measurement function of a wiring unit is called a Σ function For example UΣA 1 represents the voltage average of the fundamental signal of the input elements that are assigned to wiring unit ΣA PLL Source For procedures see section...

Страница 107: ...to I 1 Impedance of the load circuit Series resistance of the load circuit Series reactance of the load circuit Parallel resistance of the load circuit Parallel reactance of the load circuit Voltage harmonic distortion factor Current harmonic distortion factor Active power harmonic distortion factor Total harmonic distortion of voltage Total harmonic distortion of current Total harmonic distortion...

Страница 108: ...rent I1 1 of element 1 with respect to the fundamental voltage U1 1 of element 1 φU1 I2 Phase difference of the fundamental current I2 1 of element 2 with respect to the fundamental voltage U1 1 of element 1 φU1 I3 Phase difference of the fundamental current I3 1 of element 3 with respect to the fundamental voltage U1 1 of element 1 If the wiring pattern is set up so that input elements 1 and 2 ar...

Страница 109: ...ot all the data can be displayed on one screen You can scroll through the displayed items to view the following data 8 Item Display Example Measurement function Data List Display For each measurement function the numeric data of the fundamental and all harmonics can be displayed in two columns When the numeric data is displayed simultaneously with waveforms bar graphs or trends approximately half ...

Страница 110: ...monic Uhdf Ihdf and Phdf are displayed when the selected measurement function are U I and P respectively Scrolling the Page The numeric display screen can be switched at the page level If different items are displayed on each page the displayed items can be switched collectively Resetting the Numeric Display If the number of displayed items is 4 8 or 16 the displayed order of measurement functions...

Страница 111: ...ent vectors can be displayed to show the relationship between the phase difference and amplitude rms value of the fundamental signals U 1 and I 1 of each element that is assigned to the selected wiring unit The positive vertical axis is set to 0 angle 0 and the vector of each input signal is displayed In addition you can zoom in on the vector or display the values of the amplitude and the phase di...

Страница 112: ...s O U1 1 I1 1 I3 1 U3 1 I2 1 U2 1 Vector Display When the Wiring System Is 3P3W Three Phase Three Wire U1 1 U2 1 and U3 1 are line voltages I1 1 I2 1 and I3 1 are line currents However U3 1 and I3 1 are not actually measured for the 3P3W system The vectors are displayed through computation O φ2 1 φ1 1 φU1 I1 φ3 1 φU1 U3 φU1 I2 U1 1 I1 1 I3 1 U3 1 I2 1 U2 1 φU1 U2 φU1 I3 Vector Display When the Wir...

Страница 113: ...ral explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Displaying Numeric Data 1 Press NUMERIC to display numeric data Displaying Numeric Data on the Split Display 1 Press OTHERS to display the Others menu...

Страница 114: ... Mode Select the display format of the numeric data from below no data is displayed in places where the measurement function is not selected or there are no numeric data Displaying the Numeric Data on the Entire Screen Press the NUMERIC key to display the numeric data on the entire screen Displaying Numeric Data by Dividing the Screen into Halves Split Display Numeric Wave The numeric data and wav...

Страница 115: ...s For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Selecting the Number of Displayed Items or List Display 1 Press FORM to display the Numeric Form menu 2 Select one of the soft keys from 4 Items to Dual List to select the number of displayed items or list display Page Scrolling the Display PAGE key When Numeric Form the Number of Displayed Items Is 4 Items 8 Ite...

Страница 116: ...moves If you press the down cursor key when the highlight is at the bottom row the next page is displayed If you press the up cursor key when the highlight is at the top row the previous page is displayed Jumping to the Last or First Page 3 Press SHIFT PAGE or SHIFT PAGE Press SHIFT PAGE to display the last page Press SHIFT PAGE to display the first page Explanation Selecting the Number of Display...

Страница 117: ...he data update interval harmonic data is not measured and no data is displayed If this happens decrease the data update interval For example if the fundamental frequency is 50 Hz 20 ms cycle the analysis window width is 10 waves see section 7 11 and the data measurement interval is 200 ms The time it takes to measure the harmonics in this case is greater than approximately 300 ms data measurement ...

Страница 118: ...ling If ALL display is shown on the split screen pages 1 to 9 are scrolled in the top half of the screen When Single List or Dual List is selected The measurement function display left side of the screen and the harmonic order data display right side of the screen can be page scrolled independently Single List Display Example Page information on the measurement function display Measurement functio...

Страница 119: ...r details on how to set the display mode see section 7 1 The following procedures are given as typical examples in which the display mode is set to Numeric There are four ways to change the displayed items of numeric data For the procedures of each method see the pages indicated below Selecting the displayed items using the function select key Using the preset key See page 7 16 Using the USER key ...

Страница 120: ...ayed items on the displayed page can be changed collectively This completes the procedure for changing the displayed items using the function select keys Using the USER Key By assigning measurement functions to the USER key up to four measurement functions can be directly displayed Assigning Measurement Functions to the USER Key 6 Press SHIFT USER USER SET to display the User Reserved menu 7 Press...

Страница 121: ...only the measurement functions that contain harmonic order data can be selected U I P S Q λ φ φU φI Z Rs Xs Rp and Xp Changing the Element Wiring Unit 7 Press the Element Σ soft key to display the element wiring unit selection box 8 Press the cursor keys to select any of the elements wiring units starting with Element1 9 Press SET The symbol for the selected element number or wiring unit and the n...

Страница 122: ... 2 Press FORM to display the Numeric Form menu 3 Press the cursor keys to set the order Resetting the Order of the Displayed Items 1 Press ITEM to display the Numeric menu 2 Press the Reset Items Exec soft key An Alert dialog box appears 3 Press the cursor keys to select OK 4 Press SET The order of the displayed items of all pages is reset To not reset select Cancel and press SET 7 4 Changing the ...

Страница 123: ... When Numeric Form the Number of Displayed Items Is 4 Items 8 Items or 16 Items Changing the Measurement Function The selectable measurement functions are the items indicated in section 7 1 Harmonic Measurement Function You can also select not to display the measurement functions None Changing the Element Wiring Unit You can select the element wiring unit from the choices below The selectable item...

Страница 124: ...nt function display Harmonic order data display Single List Display Example Selecting the Order on the ALL Display The order can be selected on page 6 or 7 of the ALL display Page 6 or 7 Order Measured data of the selected order Select the order using the cursor keys Note For the meanings of the measurement function symbols that are displayed see section 7 1 Harmonic Measurement Function or 7 9 Ha...

Страница 125: ...cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press HRM SET to display the Harmonics menu 2 Press the PLL Source Up Exec or the PLL Source Down Exec soft key to select the PLL source The selected PLL source is displayed in the upper righ...

Страница 126: ...e fundamental frequency 2 Selectable in wide bandwidth harmonic measurement mode on models with the advanced computation G6 option If you select Smp Clk harmonic measurement is performed using 1 3000th of the frequency of the signal applied to the external clock input connector as the fundamental frequency When the PLL Source Is Set to Ext Clk or Smp Clk Apply a clock signal to the external clock ...

Страница 127: ...pply a signal with the same period as the input signal to the external clock input connector If the fundamental frequency is less than or equal to 440 Hz and the signal contains high frequency components it is recommended that the frequency filter be turned ON This filter is effective only on the frequency measurement circuit If the amplitude level of the signal input to the element specified as t...

Страница 128: ...ys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press HRM SET to display the Harmonics menu Selecting the M...

Страница 129: ...nic order in the range from 1 to 100th order Note If the minimum harmonic order to be measured is set to 1 the data of the DC component is not included when determining the numeric data of distortion factor You can set the maximum harmonic order up to 100th order but the maximum harmonic order that is actually used to determine the numeric data is the order corresponding to the upper limit of the ...

Страница 130: ... For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press HRM SET to display the Harmonics menu 2 Press the Thd Formula soft key to display the Thd Formula menu 3 Press the 1 Total or 1 Fundamental soft key to select the equation for the distortion factor Normal measurement mode Wide bandwidth harmonic measurement mode IEC harmonic measurement mode Explanation Wh...

Страница 131: ...rsor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN When making harmonic measurements the line filter of normal measurement mode is used as an anti aliasing filter Selecting the Line Filter 1 Press LINE FILTER to display the Line Filter menu Only ...

Страница 132: ...ately 5 kHz which are irrelevant to the harmonic measurement This instrument uses the line filter in normal measurement mode as an anti aliasing filter in harmonic measurement Selecting the Anti Aliasing Filter Line Filter The cutoff frequency can be selected from the list of choices below OFF 500 Hz 5 5 kHz and 50 kHz If any of the target elements is set to a setting other than OFF the LINE FILTE...

Страница 133: ...ASURE SYNCSOURCE AVG LINEFILTER FREQ FILTER NUMERIC WAVE OTHERS ITEM FORM U I P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT Cursor keys Displaying Bar Graphs 1 Press OTHERS to display the Others menu 2 Press any of the soft keys from Bar Numeric Bar Wave Bar and Bar Trend to select the display mode Press the Next 1 2 soft key The following procedures are given as typical examp...

Страница 134: ...u 13 Press any of the keys from Single to Triad to select the number of windows If Single is selected the bar graph of Bar Item No 1 is displayed If Dual is selected the bar graphs of Bar Item No 1 and 2 are displayed If Triad is selected the bar graphs of Bar Item No 1 to 3 are displayed Setting the Display Range of the Bar Graph The difference between the start order and the end order must be gr...

Страница 135: ... key to set the cursor target to Bar C1 Bar C2 x or both Bar C1 and Bar C2 x If you select Bar C1 the position of cursor can be moved If you select Bar C2 x the position of cursor x can be moved If you select both Bar C1 and Bar C2 x the two cursors can be moved without changing the spacing between the two The value of the digit being specified by Bar C1 changes 5 Press the cursor keys to set and ...

Страница 136: ...form and bar graph are displayed separately in the top and bottom windows Bar Trend The bar graph and trend are displayed separately in the top and bottom windows Changing the Measurement Function Select the measurement function to be changed from the choices below U I P S Q λ φ φU φI Z Rs Xs Rp and Xp Changing the Element Select the element from the choices below The selectable items vary dependi...

Страница 137: ... x of bar graph 1 Y2 Y axis value of cursor of bar graph 2 Y2x Y axis value of cursor x of bar graph 2 Y2 The difference between the Y axis values of cursor and cursor x of bar graph 2 Y3 Y axis value of cursor of bar graph 3 Y3x Y axis value of cursor x of bar graph 3 Y3 The difference between the Y axis values of cursor and cursor x of bar graph 3 Moving the Cursor Two cursors and x are displaye...

Страница 138: ... the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Displaying Vectors 1 Press OTHERS to display the Others menu 2 Press th...

Страница 139: ...h frequency of the fundamental signal that is determined by the fundamental frequency is shorter in time than the data update interval the vector is not displayed If this happens decrease the data update interval The details are the same as with harmonic data See the note in section 7 3 Turning ON OFF the Numeric Data Display Select whether to display the numeric data ON OFF The size and the phase...

Страница 140: ...m the phase difference measurement functions φU1 U2 and φU1 U3 φU1 U2 This is the measurement function φU1 U2 φU2 U3 φU1 U3 φU1 U2 180 φU3 U1 φU1 U3 Size of the peripheral circle range Example in which the voltage is zoomed 2 and the current is zoomed 1 2 times The value indicating the size of the peripheral circle range The size of the vector representing the voltage and current is expanded 2 tim...

Страница 141: ... when the fundamental frequency is less than or equal to 440 Hz Measurement function See the next section FFT data length 9000 FFT processing word length 32 bits Window function Rectangular Anti aliasing filter Set using a line filter 5 5 kHz or 50 kHz Sample rate sampling frequency window width and upper limit of measured order during PLL synchronization Fundamental Frequency of the PLL Source Hz...

Страница 142: ... 0 1 of reading 0 15 of range 0 6 of reading 0 15 of range 1 6 of reading 0 15 of range 2 5 of reading 0 15 of range 0 25 of reading 0 4 of range 0 2 of reading 0 15 of range 1 2 of reading 0 2 of range 3 2 of reading 0 2 of range 5 of reading 0 2 of range If the fundamental frequency is between 1 kHz and 2 6 kHz add 0 5 of reading to the voltage and current accuracy and 1 of reading to the power ...

Страница 143: ...on factor Uhdf k The ratio of the harmonic voltage U k to U 1 or U expressed as a percentage Ihdf k The ratio of the harmonic current I k to I 1 or I expressed as a percentage Phdf k The ratio of the active power P k of the harmonic signal to P 1 or P expressed as a percentage Total harmonic distortion Uthd The ratio of the total harmonic voltage to U 1 or U 4 expressed as a percentage Ithd The ra...

Страница 144: ...undamental current I2 1 of element 2 with respect to U1 1 Phase difference U1 I3 φU1 I3 Phase difference of the fundamental current I3 1 of element 3 with respect to U1 1 Measurement Functions Σ Functions Determined for Each Wiring Unit ΣA and ΣB Item Symbol and Meaning Voltage V UΣ 1 rms value of the harmonic voltage of order 1 UΣ Rms voltage total value 1 Current A IΣ 1 rms value of the harmonic...

Страница 145: ...load circuit Rp Ω 1 G U k 2 P k U dc 2 P dc Rp dc Rp k Parallel reactance of the load circuit Xp Ω 1 B U k 2 Q k U dc 2 Q dc Xp dc Xp k Measurement Functions during Harmonic Measurement Method of Determination Equation Table 1 3 Continues on the next page λ dc P dc S dc Total No S P2 Q2 U k 2 k min max U I k 2 k min max I P k k min max P Q k k min max Q P λ S φ k ATAN2 P k Q k φ ATAN2 P Q Regardin...

Страница 146: ...max 100 λ k Constant defined in the applicable standard IEC34 1 1996 Voltage telephone influence factor Utif Current telephone influence factor Itif T k Constant defined in the applicable standard IEEE Std 100 1992 Uthf T k U k 2 k 1 max T k I k 2 k 1 max Harmonic voltage factor hvf 1 Harmonic current factor hcf 1 U k 2 k k 2 max 100 I k 2 k k 2 max 100 When the numerator of the distortion factor ...

Страница 147: ...A Q1 Q2 QΣ var Q1 Q2 Q3 PΣ SΣ λΣ TYPE3 TYPE3 For details on the type of SΣ and QΣ equations see section 5 9 in the User s Manual IM WT3001E 01EN Note The numbers 1 2 and 3 in the equations UΣ IΣ PΣ SΣ and QΣ indicate the case when input elements 1 2 and 3 are set to the wiring system shown in the table If elements 2 3 and 4 are set to the wiring system shown in the table replace the numbers 1 2 an...

Страница 148: ...k measurement integration and efficiency computation cannot be carried out For a list of functions with limitations and measurement functions that cannot be measured see appendix 10 and 11 in the User s Manual IM WT3001E 01EN Differences from Other Harmonic Measurement Modes For the differences from the harmonic measurement in normal measurement mode and IEC harmonic measurement mode see Harmonic ...

Страница 149: ...ns are settings specific to the wide bandwidth harmonic measurement Selecting the wide bandwidth harmonic measurement mode Section 8 3 Changing the number of displayed items of numeric data and Section 7 3 scrolling the display Changing the displayed items of numeric data Section 7 4 Selecting the PLL Source Section 7 5 Setting the measured order Section 7 6 Selecting the distortion factor equatio...

Страница 150: ... OTHERS ITEM FORM U I P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedur...

Страница 151: ...eric data from the list below no data is displayed in places where the measurement function is not selected or where no numeric data is present Displaying the Numeric Data on the Entire Screen Press the NUMERIC key to display the numeric data on the entire screen Displaying Numeric Data by Dividing the Screen into Halves Split Screen Numeric Bar The numeric data and bar graph are displayed separat...

Страница 152: ...ress the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press HRM SET to display the Harmonics menu 2 Press the PLL Input Warning Msg soft key to select ON or OFF Explanation Turning ON OFF the Timeout Warning Display of the PLL Lock You ...

Страница 153: ...undamental frequency is less than or equal to 440 Hz Measurement Functions See section 7 11 FFT data length 9000 FFT processing word 32 bits Window function Rectangular Anti aliasing filter Set using a line filter OFF 500 Hz 5 5 kHz or 50 kHz Sample rate sampling frequency window width and upper limit of measured order PLL source synchronization method Fundamental Frequency of the PLL Source Hz Sa...

Страница 154: ...30 Hz f 1 kHz 1 kHz f 10 kHz 10 kHz f 55 kHz 0 15 of reading 0 3 of range 0 15 of reading 0 3 of range 0 1 of reading 0 05 of range 0 3 of reading 0 05 of range 1 of reading 0 2 of range 0 25 of reading 0 4 of range 0 25 of reading 0 4 of range 0 2 of reading 0 1 of range 0 6 of reading 0 15 of range 2 of reading 0 4 of range If the fundamental frequency is between 400 Hz and 1 kHz Add 1 5 of read...

Страница 155: ... selectable The LED is OFF Peak measurement Not allowed Efficiency computation Not allowed Compensation Efficiency compensation is invalid Integration Not allowed Store Integration synchronization Integ Sync is not allowed Waveform storage is not allowed File save Waveform and waveform sampling data Acquisition are not allowed NULL Not allowed Synchronized measurement Not allowed Motor evaluation ...

Страница 156: ...putation differently from other measurement modes in order to achieve measurements conforming to the IEC standard Therefore some functions such as waveform or bar graph display on the screen store function motor evaluation function option cannot be used in this measurement mode In addition some measurement functions such as peak measurement integration and efficiency computation cannot be carried ...

Страница 157: ...ch harmonic order are called interharmonics 100 150 Interharmonics Rms component Frequency Hz 50 100 150 200 250 dc 2nd harmonic 3rd harmonic 4th harmonic 5th harmonic Fundamental 2nd harmonic 3rd harmonic When the fundamental signal is 50 Hz If the input signal is 60 Hz 12 periods of the waveform are divided in 5 Hz resolution Thus the section between each harmonic order is divided into 12 sectio...

Страница 158: ...c group Include a half of the amplitude Figure when the fundamental signal is 60 Hz Harmonic group Grouping of Harmonics in IEC Harmonic Measurement There are three types of grouping of harmonics in IEC harmonic measurement The method to calculate the amplitude of the rms value of the harmonics varies depending on the grouping method No Grouping OFF Only the components of the integer multiples of ...

Страница 159: ...onent 2 100 3 150 4 Harmonic order Frequency Hz 200 The component of each order between the 2nd and 50th order is determined as shown above The computation of the 1st order fundamental component differs from the method shown above 1st Order Fundamental Component When measuring and computing the 1st order fundamental component interharmonics are not included regardless of the grouping setting 2 1 0...

Страница 160: ...ed items of numeric data and Section 7 3 scrolling the display Changing the displayed items of numeric data Section 7 4 Selecting the measured source Section 9 4 Selecting the PLL Source Section 7 5 Setting the measured order Section 7 6 The maximum order in IEC harmonic measurement mode is 50 Orders exceeding 50 cannot be measured even if you specify such orders If you use the Harmonic Flicker Me...

Страница 161: ...phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Enabling IEC Harmonic Measurement Mode 1 Press OTHERS to display the Others menu 2 Press the IEC Harmonics soft key Pres the Next1 3 soft key Explanation If you use the Harmonic Flicker Measurement Software this instrument...

Страница 162: ...trings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press HRM SET to display the IEC Harmonics menu 2 Press the Object soft key to display the element wiring unit selection box 3 Press the cursor keys to select any of the elements wiring units starting with Element1 4 Press SET The symbol for the selected element number or wiring unit and the numeric data a...

Страница 163: ...INTEG LOCAL SHIFT Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press HRM SET to display the IEC...

Страница 164: ...surement are determined from the component of each order and the interharmonics between the orders You can select the computing equation of the harmonic from the list below OFF Only the components of the integer multiples of the fundamental wave are considered harmonic component of each order Interharmonic components are not included Type1 The harmonic subgroup is considered a harmonic component o...

Страница 165: ... rating when the crest factor is 3 Greater than or equal to 100 of the measurement range rating when the crest factor is 6 Be sure to turn the frequency filter ON Measurement Functions See section 7 11 FFT data length 9000 FFT processing word length 32 bits Window function Rectangular Anti aliasing filter Set using a line filter 5 5 kHz Interharmonic measurement Grouping function Enable Type 1 or ...

Страница 166: ...or range rating 100 of range to the power accuracy For direct current input range on the 30 A input element add 0 1 mA direct current input range rating 100 of range to the power accuracy For direct current input range on the 2 A input element add 1 µA direct current input range rating 100 of range to the power accuracy For direct current input in a range less than or equal to 200 mA on the 2 A in...

Страница 167: ...e LED is OFF Peak measurement Not allowed User defined function Not allowed MAX hold Not allowed Efficiency computation Not allowed Compensation Efficiency compensation is invalid Integration Not allowed Store Not allowed File save Waveform and waveform sampling data Acquisition are not allowed NULL Not allowed Synchronized measurement Not allowed Motor evaluation function Not allowed Print Auto p...

Страница 168: ... I A Measurement Function Method of Determination Equation Rms value of the harmonic group of the voltage U V i 1 1 I k i 2 i 1 1 U k i 2 When the frequency of the measured item is 50 Hz When the frequency of the measured item is 60 Hz Rms value of the harmonic subgroup of the current I A i 4 4 2 U k 5 2 2 U k 5 2 U k i 2 i 4 4 2 I k 5 2 2 I k 5 2 I k i 2 i 5 5 2 U k 6 2 2 U k 6 2 U k i 2 i 5 5 2 ...

Страница 169: ...wing operators are available ABS absolute value SQR square SQRT square root LOG natural logarithm LOG10 common logarithm EXP exponent NEG negation and AVG2 to AVG64 exponential average The computed results are displayed as computed waveforms Math1 and Math2 AVG The rms voltage or current or the instantaneous value sampled data of the active power can be exponentially averaged using a specified att...

Страница 170: ...to eliminate high frequency components from the computed waveform The noise elimination effect is higher as the attenuation constant is increased However the response delay also increases as compared to when averaging is not used Limitations on the Function and Measurement Function Waveform computation mode performs internal computation differently from other measurement modes Therefore some funct...

Страница 171: ...ective sections below in the User s Manual IM WT3001E 01EN Selecting the waveform to be displayed Section 6 2 Setting the time axis Section 6 3 Setting the trigger Section 6 4 Zooming vertically and moving the vertical position Section 6 5 Waveform display on divided windows Section 6 6 Selecting the display interpolation and graticule Section 6 7 Turning ON OFF the scale value and waveform label ...

Страница 172: ...used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Enabling Waveform Computation Mode 1 Press OTHERS to display the Others menu 2 Press the Math or Numeric Math soft key Press the Next1 3 soft key Press the Next2 3 soft key Explanation You can select the display ...

Страница 173: ...PDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT30...

Страница 174: ...quation For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN Display example when Expression of Math1 is selected Setting the Constant 3 Press the cursor keys to select any of the K1 to K8 constants 4 Press SET to display the constant setup box 5 Press the cursor keys to set the constant Display example when K1 is selected 10 4 Setting the Waveform Equation ...

Страница 175: ... U1 Square of the specified waveform SQRT SQRT U1 Square root of the specified waveform LOG LOG U1 Natural logarithm of the specified waveform LOG10 LOG10 U1 Common logarithm of the specified waveform EXP EXP U1 Exponent of the specified waveform NEG NEG U1 Negation of the specified waveform AVG2 AVG2 U1 I1 Average of the specified waveform with an average constant of 2 AVG4 AVG4 U1 I1 Average of ...

Страница 176: ...ement that is not installed is used in the equation If a negative value is substituted in the SQRT parameter If a negative value or zero is substituted in the LOG or LOG10 parameter If a division by zero occurs If any of the operands results in error All of the data result in error and the computed waveform is displayed as a line at the top edge of the screen An equation Math1 or Math2 cannot be p...

Страница 177: ...USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s ...

Страница 178: ...caling 7 Press the cursor keys to select Center of Math1 or Math2 8 Press SET to display the center value setup box 9 Press the cursor keys to set the center value 10 Press the SET key to confirm the center value Setting the Scale Division Setting Vertical Zoom Factor of Manual Scaling 11 Press the cursor keys to select Scale div of Math1 or Math2 12 Press SET to display the Scale div setup box 13...

Страница 179: ...perations see section 3 14 in the User s Manual IM WT3001E 01EN Display example when Unit of Math1 is selected Setting the Label of the Computed Waveform 18 Press the cursor keys to select Label of Math1 or Math2 19 Press SET to display the keyboard 20 Use the keyboard to set the label For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN Display example when Label of Math1...

Страница 180: ...on Note The display scale of the computed waveform may not be stable if you select auto scaling in the cases described below In such case use manual scaling The amplitude of the input signal used in the waveform equation is not stable The amplitude of the computed waveform is near the threshold level used to switch the scaling setting Setting the Center Value and Vertical Zoom Factor Scale Divisio...

Страница 181: ...rval computing time Functional Limitations Item Specifications Display Trend display bar graph display vector display and FFT display are not allowed Harmonic measurement Not allowed Equation for apparent power and reactive power Type3 not selectable If waveform computation mode is enabled while Type3 is set Type1 is automatically selected Integration Not allowed Trigger Mode OFF not selectable If...

Страница 182: ...Hz signal with repetitive waveform because the above conditions are met Hanning and FlatTop These windows are effective on waveforms that do not meet the conditions for the rectangular window The Hanning and flattop windows allow continuity of the signal by gradually attenuating the parts of the signal located near the ends of the time window down to the 0 level For example if the input frequency ...

Страница 183: ... Rectangular window Hanning window Rectangular window Hanning window Flattop window W t u t u t T W t 0 5 0 5cos 2π W t 0 54 0 46 cos 2π T T Flattop window t T t T sin 2π 1 2t T 2π 1 2t T U t Step function Number of FFT Points and Frequency Resolution The frequency range of the FFT is DC to 100 kHz FFT is performed on 20000 points or 200000 points of measured data and the result is displayed using...

Страница 184: ...r or the total of all harmonics In FFT the source signal is sampled at a fixed sample rate and Fast Fourier transform is taken on the bandwidth up to a half of the sampling rate Therefore it is suited to analyzing signals that include components distorted waveform and noise that are not integer multiples of the fundamental wave Limitations on the Function and Measurement Function FFT mode performs...

Страница 185: ...urement Section 11 9 The settings below are common with the waveform display of normal measurement mode See the respective sections below in the User s Manual IM WT3001E 01EN Setting the trigger Section 6 4 Selecting the display interpolation and graticule Section 6 7 Turning ON OFF the scale value and waveform label Section 6 8 If you change settings that are common with the waveform display in n...

Страница 186: ...P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in...

Страница 187: ...ectrum waveform from the list below Displaying the Power Spectrum Waveform on the Entire Screen If you select FFT the power spectrum waveform is displayed on the entire screen Displaying the Power Spectrum Waveform by Dividing the Screen into Halves Split Screen Numeric FFT The numeric data and power spectrum waveform are displayed separately in the top and bottom windows Wave FFT The waveform and...

Страница 188: ...R ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Man...

Страница 189: ...ys to select the FFT source 5 Press the SET key to confirm Setting the Label 6 Press the FFT1 Label or FFT2 Label soft key to display the keyboard 7 Use the keyboard to set the label For keyboard operations see section 3 14 in the User s Manual IM WT3001E 01EN 11 4 Selecting the Power Spectrum to Be Displayed Selecting the FFT Source and Setting the Label ...

Страница 190: ...ve power and reactive power of each input element Active power and reactive power of an Σ wiring unit Torque and speed signals analog input of motor input option Note FFT cannot be performed if the type of torque signal or speed signal of the motor input is pulse The screen displays Calc Error Setting the Label Number of Characters 8 characters or less Types of Characters Characters that are displ...

Страница 191: ...Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press FORM to display the FFT Form menu If the FFT...

Страница 192: ... and the measurement period of the FFT FFT computing time Thus it may take more than 10 s for the display to be updated Selecting the Time Window Select from the three types listed below For details on the time window see section 11 1 Rect Rectangular This window is effective on repetitive waveform of AC signals whose period is equal to an integer multiple of the FFT measurement period For example...

Страница 193: ...s and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press FORM to display the FFT Form menu If the FFT display is at the lower section of the screen on the split display press SHIFT FORM LOWER FORM Setting the Display Range of the X Axis Frequency 2 Press the Disp Start Disp End soft key to select Disp Start Disp end or ...

Страница 194: ...logarithmic If you select LIN the maximum value of the Y axis is determined automatically from the measurement range The minimum value is zero If you select LOG the maximum value of the Y axis is one digit above the measurement range and is a value that is an integer power of 10 The minimum value is equal to 1 10000 of the maximum value Note If the number of computed points section 11 5 is 20 k 20...

Страница 195: ... RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press FORM to display the FFT...

Страница 196: ...d at the left of the screen To display the negative data change the display type of the power spectrum to Bar Bar The absolute value of the negative data is displayed with a red bar graph For example if the 0 Hz DC component is negative it is displayed as shown below However if the absolute value of the data is small with respect to the Y axis scale it may not appear on the screen Indicator that s...

Страница 197: ...se refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press FORM to display the FFT Form menu If the FFT display is at the lower section of the screen on the split display press SHIFT FORM LOWER FORM 2 Press the Format soft key to display the FFT Format menu 3 Press one of the ...

Страница 198: ...TE HOLD SINGLE INTEG LOCAL SHIFT Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN 1 Press SHIFT MEASU...

Страница 199: ...x 4 Press the FFT C2 Trace soft key to display the source FFT selection box 5 Press the cursor keys to select FFT1 or FFT2 6 Press the SET key to confirm the source FFT Moving the Cursors 7 Press the FFT C1 FFT C2 x soft key to set the jog shuttle target to FFT C1 FFT C2 x or both FFT C1 and FFT C2 x If you select FFT C1 the position of cursor can be moved If you select FFT C2 x the position of cu...

Страница 200: ...number of points from the left end of the screen to move the cursor with the left and right ends of the screen assumed to be point 0 and the point corresponding to the number of points of the display range respectively Greater than 1002 points 1002 P P is displayed at the center of the top section of the screen Specify the number of points from the left end of the screen to move the cursor with th...

Страница 201: ...er is longer The measurement period is 1 s when the number of FFT points is 200 k when the frequency resolution is 1 Hz The measurement period is 100 ms when the number of FFT points is 20 k when the frequency resolution is 10 Hz Functional Limitations Item Specifications Display Trend display bar graph display vector display and waveform computation display are not allowed Harmonic measurement No...

Страница 202: ...Rated voltage Un Voltage frequency Freq Relative steady state voltage change dc 3 3 or less Maximum relative voltage change dmax 4 or less 2 6 or less 2 7 or less 2 Period during which relative voltage change exceeds the threshold level Tmax 3 500 ms or less 4 Short term flicker value Pst 1 0 or less Long term flicker value Plt 0 65 or less Instantaneous flicker sensation IFS 5 Cumulative probabil...

Страница 203: ...iod is stable for 1 s or more Relative steady state voltage change dc A value obtained by dividing the difference between two steady state voltages before and after a single voltage fluctuation by the rated voltage expressed as a percentage For example for a power supply with a rated voltage of 230 V the relative steady state voltage change is as shown below if the steady state voltage before the ...

Страница 204: ...61000 4 15 Ed1 1 dmax dc Tmax Threshold level Steady state condition Relative voltage change For IEC 61000 4 15 Ed2 0 Threshold level Steady state condition Tmax dmax dmax dmax dc Previous steady state condition Relative voltage change dmax The difference between the minimum value and the value in the previous steady state condition dmax The difference between the maximum value and the value in th...

Страница 205: ... 61000 3 3 For details on the flicker meter see IEC 61000 4 15 The normal observation period of Pst is 10 minutes Long Term Flicker Value Plt The long term flicker value is normally determined from 12 Pst values using the equation below The normal observation period is 2 hours If the number of observation periods is less than constant N 12 in the calculating equation the Plt values that are not ob...

Страница 206: ...w Voltage current mode No No No No No Scaling Yes View View View View Filter Yes View View View View Averaging No No No No No Synchronization source No No No No No Measurement and computation MEASURE No No No No No Frequency measurement Yes View View View View Cursor Disabled Disabled Disabled Disabled Disabled NULL No No No No No Motor evaluation No No No No No Harmonic measurement No No No No No...

Страница 207: ...TEM FORM U I P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see se...

Страница 208: ...ent statuses are available Display Meaning Reset Condition in which the measured value is reset and initialization can be executed Initializing Initializing Ready Initialized condition in which measurement can be started Start Measurement in progress The elapsed time is displayed to the right Complete Complete Connecting to the Harmonic Flicker Measurement Software If you use the Harmonic Flicker ...

Страница 209: ...ted above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Check that the flicker measurement status is indicating Reset If not set the flicker measurement status to Reset...

Страница 210: ...the measurement method is Flicker When the measurement method is dmax Setting the Measured Element 8 Press the cursor keys to select the element you want to set from Object 9 Press SET The button to the left of the selected element is highlighted indicating that voltage fluctuation and flicker measurement will be performed on the element To remove the element from the measurement press SET again T...

Страница 211: ...he measurement method is dmax If the measurement method is set to Flicker normal flicker measurement set the measurement target voltage single observation period measurement count and steady state range according to the procedure below Setting the Measurement Target Voltage IEC 61000 4 15 Ed2 0 Only 18 Press the cursor keys to select Voltage 19 Press SET to select 230V or 120V Setting the Single O...

Страница 212: ... the box Explanation For an explanation of the terminology see section 12 1 Measurement Method Select the voltage fluctuation and flicker measurement method from the two methods below Flicker normal flicker measurement Judges the voltage fluctuation and flicker from dc dmax Tmax and Pst dmax measurement of dmax caused by manual switching You manually turn the EUT switch ON This instrument measures...

Страница 213: ...efined for others If the measurement method is set to Flicker normal flicker measurement you must set the measurement target voltage IEC 61000 4 15 Ed2 0 only single observation period measurement count and steady state range Measurement Target Voltage IEC 61000 4 15 Ed2 0 Only You can set the measurement target voltage to 230 V or 120 V Set the measurement source voltage appropriately as the tran...

Страница 214: ...SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Check that the flicker mea...

Страница 215: ... the cursor keys to set the limit 8 Press SET or ESC to close the box Setting the Judgement Conditions of Maximum Relative Voltage Change dmax Turning ON OFF the Judgement of Maximum Relative Voltage Change dmax 9 Press the cursor keys to select Judgement by dmax 10 Press SET to select ON judge or OFF not judge Setting the Limit on Maximum Relative Voltage Change dmax Valid when ON judge is select...

Страница 216: ...rsor keys to set the threshold level 24 Press SET or ESC to close the box Setting the Judgement Conditions for Short Term Flicker Value Pst Turning ON OFF the Judgement of Short Term Flicker Value Pst 25 Press the cursor keys to select Judgement by Pst 26 Press SET to select ON judge or OFF not judge Setting the Limit on Short Term Flicker Value Pst Valid when ON judge is selected in step 26 27 Pr...

Страница 217: ... change dc in the flicker measurement judgement ON Include dc OFF Not include dc Limit on Relative Steady State Voltage Change dc You can set the limit in the range of 1 00 to 99 99 Judgement Conditions for Maximum Relative Voltage Change dmax Turning ON OFF the Judgement of Maximum Relative Voltage Change dmax You can select whether to include maximum relative voltage change dmax in the flicker m...

Страница 218: ... Not include Plt Limit on Long Term Flicker Value Plt You can set the limit in the range of 0 10 to 99 99 Constant N of the Calculating Equation of Long Term Flicker Value Plt You can set constant N in the range of 1 to 99 Note The long term flicker value Plt is computed using the following equation Count The variable Count in the equation is the measurement count of short term flicker value Pst t...

Страница 219: ...details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Check that the flicker measurement status is indicating Reset If not set the flicker measurement status to Reset according to the procedure in Resetting the Voltage Fluctuation and Flicker Measurement on page 12 21 1 Set the measurement method to flicker according to the procedure given in Setting the Measurement Condi...

Страница 220: ...t 10 Press HOLD The HOLD key illuminates and the display is held The voltage fluctuation and flicker measurement continues Releasing the Hold Operation 11 Press HOLD while the display is held The HOLD key turns OFF and the display is updated In the hold condition the display can be updated to the most recent value by carrying out single measurements by pressing SINGLE Aborting the Voltage Fluctuat...

Страница 221: ...oltage fluctuation and flicker data is re judged and the judgement is updated Switching the Element for Displaying the Measurement Judgement Data There are two ways to switch the element for displaying the measurement and judgement data as described below Changing Using the Function Select Keys 17 Press ELEMENT to set the element to be displayed The element to be displayed switches in order as in ...

Страница 222: ... to display the first page Resetting the Voltage Fluctuation and Flicker Measurement 20 Press the Reset soft key An Alert dialog box appears 21 Press the cursor keys to select OK 22 Press SET The voltage fluctuation and flicker measurement is reset The measured data and judgement up to that point are discarded The flicker measurement status indicates Reset To not reset select Cancel in step 21 and...

Страница 223: ...are compared with the respective limits and the judgement pass or fail is displayed to the right of the final value The short term flicker value Pst is calculated compared to the limit and the judgement pass or fail is displayed Judgement Display When the Measurement Is Complete The figure below is a display example when the normal flicker measurement is complete Flicker measurement status Complet...

Страница 224: ...ent from below The selectable items vary depending on the installed elements Element1 Element2 Element3 and Element4 Note If an element that is not being measured is assigned to a display target element OFF is displayed by the element number and all measured data and judgement are displayed as blank Page Scrolling the Screen A single page displays a list of measured data and judgements for 12 obse...

Страница 225: ...udgement conditions and re judge see section 12 5 Initialize the measurement Initialize Exec see section 12 5 Initialization complete Start measurement Start see section 12 5 Measurement complete Initializing Ready Complete Start Reference sections are indicated in parentheses Soft keys that you operate are indicated in brackets Change the measurement conditions see section 12 3 Change the judgeme...

Страница 226: ...es and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Check that the flicker measurement status is indicating Reset If not set the flicker measurement status to Reset according to the procedure in Resetting the Voltage Fluctuation and Flicker Measurement on page 12 21 1 Set the measurement method to dmax according to the procedure given in Set...

Страница 227: ...e EUT ON to achieve normal operation Operate the EUT in the normal condition as long as possible in the measurement period of one observation period 1 minute 11 Turn the EUT OFF before the measurement of one observation period 1 minute completes When the measurement of one observation period is complete the flicker measurement status changes to Ready 12 Repeat steps 9 to 11 to measure dmax 24 time...

Страница 228: ...Move Period menu 19 Carry out steps 9 to 11 to measure dmax If you start the re measurement the measurement count and graph display shown in Count decrease by one In addition the total elapsed measurement time that is displayed to the right of the flicker measurement status decreases by one observation period When the re measurement is complete the asterisk moves to the next observation period num...

Страница 229: ...atus is indicating Complete change the judgement conditions according to the procedure given in Setting the Judgement Conditions in section 12 4 When you change the judgement conditions the measured dmax data is re judged and the judgement is updated Switching the Element for Displaying the Measurement Judgement Data There are two ways to switch the element for displaying the measurement and judge...

Страница 230: ...e Reset soft key An Alert dialog box appears 30 Press the cursor keys to select OK 31 Press SET The measurement of dmax caused by manual switching is reset The measured data and judgement up to that point are discarded The flicker measurement status indicates Reset To not reset select Cancel in step 30 and press SET 12 6 Executing the Measurement of dmax Caused by Manual Switching ...

Страница 231: ...of the maximum and minimum dmax values respectively Number of observation periods that have completed the measurement and bar graph Elapsed time in an observation period and bar graph Judgement Display When the Measurement Is Complete The figure below is a display example when the measurement of dmax caused by manual switching is complete Judgement of the average of dmax Displays the average of 22...

Страница 232: ...e first measured values after the measurement of dmax caused by manual switching is started and are not updated Switching the Element for Displaying the Measurement Data You can select the element from below The selectable items vary depending on the installed elements Element1 Element2 Element3 and Element4 Note If an element that is not being measured is assigned to a display target element OFF ...

Страница 233: ...ement complete Judgement Judge see section 12 6 Change the judgement conditions and re judge see section 12 6 Initialize the measurement Initialize Exec see section 12 6 Initialization complete Start measurement Start see section 12 6 Measurement of an observation period is complete Initializing Ready Complete Start Reference sections are indicated in parentheses Soft keys that you operate are ind...

Страница 234: ... among 24 values Items Common to Measurement Modes Item Specifications Flickermeter class F2 Target voltage frequency 230 V 50 Hz 120 V 60 Hz 230 V 60 Hz 2 or 120 V 50 Hz 2 Measured item All installed elements Measured source input Voltage current measurement function not available Flicker scale 0 01 to 6400 P U 20 divided logarithmically into 1024 levels Display update 2 s dc dmax and Tmax 3 For ...

Страница 235: ...asurement are set as follows Synchronization source U1 Synchronization source slope Rising Measurement cycle count 3 The minimum value you can actually specify is 10 Synchronization source U1 Voltage input U1 Current Input I1 Trigger level Trigger Zero crossing rising slope Zero crossing falling slope Measurement Period Measurement Period Measurement Period Types of Measurement Functions The follo...

Страница 236: ... 1 or TYPE 3 is selected and you select cycle by cycle measurement mode the equation switches to TYPE 2 For details on the type of equations see section 2 5 and 5 9 in the User s Manual IM WT3001E 01EN Data Update Interval The data update interval setting is invalid in cycle by cycle measurement mode The display data is updated when the measurement of the specified number of cycles is completed Th...

Страница 237: ...est factor Yes View View Voltage current mode Yes No No Scaling Yes View View Filter Yes View View Averaging No No No Synchronization source No No No Measurement and computation MEASURE No No No Frequency measurement No No No Cursor NULL No No No Motor evaluation Yes View View Harmonic measurement No No No Displayed items U I P S Q λ φ FU FI η Yes Yes Yes WP q TIME USER ELEMENT Yes Yes Yes Data up...

Страница 238: ... P WP q TIME USER ELEMENT UPDATE RATE HOLD SINGLE INTEG LOCAL SHIFT RESET SET PAGE PAGE Cursor keys To exit the menu during operation press ESC located above the soft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 i...

Страница 239: ...ycle measurement statuses are available Display Meaning Reset Reset Start Measurement in progress Complete Complete Time Out Timeout Freq Err Frequency error Limitations on Changing the Measurement Mode This instrument cannot switch to cycle by cycle measurement mode in the following conditions When the master slave synchronization measurement is set to slave When the integration function is start...

Страница 240: ...planation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Check that the cycle by cycle measurement status is indicating Reset If not set the cycle by cycle measurement status to Reset according to the procedure in...

Страница 241: ...Trigger Mode 7 Press the Mode soft key to select Auto or Normal Selecting the Trigger Source 8 Press the Source soft key to display the trigger source selection box 9 Press the cursor keys to select any of the elements wiring units starting with U1 10 Press the SET key to confirm Selecting the Trigger Slope 11 Press the Slope soft key to select or Setting the Trigger Level 12 Press the cursor keys...

Страница 242: ...ing the Line Filter for the Cycle by Cycle Measurement Set the line filter of the input element according to the procedure given in section 4 8 of the User s Manual IM WT3001E 01EN Set the line filter of the motor input according to the procedure given in section 1 5 Note The line filter setting in cycle by cycle measurement mode is independent of the setting in other measurement modes The initial...

Страница 243: ...ation source from below The selectable items vary depending on the installed elements U1 I1 U2 I2 U3 I3 U4 I4 and Ext Clk If you select Ext Clk cycle by cycle measurement is performed using the frequency of the signal applied to the external clock input connector as the synchronization source When Setting the Synchronization Source to Ext Clk Apply a clock signal to the external clock input connec...

Страница 244: ...ry of the measurement period of cycle by cycle measurement when the synchronization source signal changes from positive to negative falling edge Selecting the Trigger Mode Trigger mode defines the condition for starting the cycle by cycle measurement You can select the mode from below Auto Enables auto mode If a trigger occurs within the trigger timeout value approx 100 ms the cycle by cycle measu...

Страница 245: ...5V sur le connecteur d entrée d horloge externe EXT CLK risque de provoquer un endommagement de l instrument Input Circuit and Time Chart of the External Trigger Signal External trigger signal External trigger 100 Ω 5 V Minimum pulse width Trigger delay time when set to Internal trigger EXT CLK Selecting the Trigger Slope The up and down movement of a signal level is called a slope When the slope ...

Страница 246: ...ough the trigger level on the rising edge after the input signal level falls approximately 2 below the trigger level The trigger function uses approximately 4 hysteresis if the crest factor is set to 6 The trigger settings are common with the waveform display of normal measurement mode Measurement Cycle Count Set the cycle count for which the cycle by cycle measurement is performed in the followin...

Страница 247: ...ft keys In the procedural explanation below the phrase press the cursor keys may be used This phrase refers to the procedures for selecting items and entering values and character strings For details on the procedures see section 3 14 in the User s Manual IM WT3001E 01EN Function select keys Check that the cycle by cycle measurement status is indicating Reset If not set the cycle by cycle measurem...

Страница 248: ...e cycle by cycle measurement status indicates Complete and the measured data is displayed If the frequency of the synchronization source exceeds the frequency range see section 13 5 the cycle by cycle measurement status indicates Freq Err The measured data of frequencies outside the range is indicated as Error There are four ways to change the displayed items of measured data list number 1 to 5 Fo...

Страница 249: ...g the Displayed Items from the Menu 9 Press ITEM to display the CBC Items menu Selecting the Data List to Be Changed 10 Press the List Item No soft key 11 Press the cursor keys to select the list number to be changed Changing the Measurement Function 12 Press the Function soft key to display the measurement function selection box 13 Press the cursor keys to select any of the measurement functions ...

Страница 250: ... cursor keys to set the cycle number The page containing the cycle number is displayed Jumping to the Last or First Page 24 Press SHIFT PAGE or SHIFT PAGE Press SHIFT PAGE to display the last page Press SHIFT PAGE to display the first page Resetting the Cycle by Cycle Measurement 25 Press FORM to display the CBC Form menu 26 Press the Reset soft key An Alert dialog box appears 27 Press the cursor ...

Страница 251: ... a result a range different from the cycle of the fundamental frequency may be measured If this happens turn ON the frequency filter If the level of the synchronization source signal is less than the zero crossing detection level the zero crossing cannot be detected correctly As a result the measured values may be unstable or a timeout may occur If the timeout value is shorter than the product of ...

Страница 252: ...yed page Resetting the Cycle by Cycle Measurement To restart the cycle by cycle measurement execute reset and restart the measurement when the cycle by cycle measurement status is indicating Complete You start the measurement in the Complete status Reset the cycle by cycle measurement to change the following settings Measurement conditions chapter 4 in the User s Manual IM WT3001E 01EN Measurement...

Страница 253: ...the cycle by cycle measurement is EXT CLK Accuracy U I direct input P Speed and Torque Add 0 3 2 f of reading 0 05 0 05 f of range to the accuracy when the line filter is OFF in normal measurement with the line filter turned ON I external current sensor input Add 100 100 f µV to the accuracy above Freq Add 0 3 2 f of reading to the accuracy in normal measurement The variable f is the frequency of ...

Страница 254: ... 9 2 Interval 5 17 IP address 5 3 5 6 Ithd 7 27 Symbols Page ΔMeasure 6 2 1 Fundamental 7 27 1 Total 7 27 4 Items 7 12 8 Items 7 12 16 Items 7 12 180dpi 5 14 360dpi 5 14 A Page Abort 5 14 ALL Items 7 12 anti aliasing filter 7 28 7 38 auto print 2 12 B Page Bar 7 30 Bar C1 7 32 Bar C2 x 7 32 Bar Cursor 7 32 bar graph 7 8 bar graph display range 7 31 bar graph number of split windows 7 31 Bar Item 7...

Страница 255: ...r roll paper 2 6 printer server 5 13 5 15 Pst 12 4 12 15 Pthd 7 27 pulse count 1 13 pulse input range 1 12 Pulse N 1 13 Pulse Range 1 12 1 13 Pulse Rated Lower 1 14 Pulse Rated Upper 1 14 pulse rating 1 14 R Page Range Mode 3 10 Rated Max 3 10 Rated Min 3 10 rated voltage 12 11 12 12 reactance 7 42 Rect 11 11 rectangular 11 11 re judgement 12 28 relative steady state voltage change 12 2 12 14 re m...

Страница 256: ...imit of the measured order 7 26 User Account 5 19 user name 5 20 5 21 Uthd 7 27 V Page Vector 7 35 vector display 7 8 vector zooming in on 7 36 VGA 4 1 video signal output connector pin arrangement of 4 1 voltage grouping 9 8 W Page waveform computation 10 1 waveform computation mode 10 4 Waveform Equation 10 5 wide bandwidth harmonic measurement 8 1 wide bandwidth harmonic measurement mode 8 3 wi...

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