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4.6 Waveform Display

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4.6 Waveform Display

The waveform display shows one cycle of the voltage and current waveforms
being measured. There are five formats.

Format 1

Shown the waveforms
(voltage or current) for each
system being measured
together.

Format 2

Shown the waveforms
(voltage or current) for each
system being measured
together. The display is
smaller than the graph of
format 1, but the effective
and peak values are shown.

Format 3

The display is divided into
two, and the voltage
waveform (above) and
current waveform (below)
for the system being
measured are shown
together.

Содержание 9605-01

Страница 1: ...HARMONIC INSTRUCTION MANUAL 9605 01 MEASUREMENTS UNIT...

Страница 2: ......

Страница 3: ...etting 7 3 4 Wiring Conversion Function 8 3 5 Setting the Coupling Mode 9 3 6 Zero Adjustment Operation 10 3 7 Averaging Setting 11 3 8 Measurement by External Trigger 12 3 9 Sort Functions 13 Chapter...

Страница 4: ...Time 39 Chapter 7 External Control 43 7 1 EXT CLOCK 43 7 2 TRIGGER IN 44 7 3 TRIGGER OUT 44 Chapter 8 GP IB RS 232C Interface 45 8 1 Overview 45 8 2 Event Registers 46 8 3 Command Reference 47 9 3 1 C...

Страница 5: ...maintenance and disposal at end of life the same conditions apply as to the main 3194 product Because of differences in measurement principle frequency response and accuracy the values measured by the...

Страница 6: ...that incorrect operation presents extreme danger of accident resulting in death or serious injury to the user WARNING Indicates that incorrect operation presents significant danger of accident resulti...

Страница 7: ...REMENTS UNIT in a 3194 MOTOR HARMONIC HiTESTER enables voltage current and power harmonic analysis to be carried out on the voltage and current waveforms captured by an input unit for single phase to...

Страница 8: ...carrier frequency can also be done 3 High frequency analysis using external synchronization signals High frequency analysis using external synchronization signals as the base standard is possible For...

Страница 9: ...en Configuration For details on how to operate keys of the 3194 refer to Chapter 2 Name and Functions of Parts in the instruction manual of the 3194 When the 9605 01 HARMONIC MEASUREMENTS UNIT is inst...

Страница 10: ...4 2 2 Screen Configuration...

Страница 11: ...plied with the 3194 product The following settings have no effect on harmonic analysis Selecting RMS MEAN value setting the phase polarity discrimination filter switching the waveform peak value setti...

Страница 12: ...three single phase channels is possible 1 Press the STATUS key then use the PAGE keys to move the cursor to HARM to display the harmonic measurement setting screen This displays the selected wiring m...

Страница 13: ...han the input voltage or current waveform Refer to Section 4 7 Measurement using an External Sync Signal The PLL indicator at the upper right of the screen appears when the PLL is unlocked and is not...

Страница 14: ...wiring calculates Y conversion to 3 4W equivalent wiring For 3P4W wiring calculates Y conversion to 3 3W equivalent wiring Press the STATUS key then use the PAGE keys to move the cursor to HARM to di...

Страница 15: ...e is selected on the 3194 product a DC blocking filter is required on the input unit Therefore if the measurement frequency is 10 Hz or below or the waveform has a superimposed DC component e g a half...

Страница 16: ...rsor to HARM to display the harmonic measurement setting screen 2 Move the cursor to WIRING 3 Press the F5 ZERO ADj key to start zero adjustment The operation is carried out for 3 channels simultaneou...

Страница 17: ...the 9605 01 1 Press the STATUS key then use the PAGE keys to move the cursor to HARM to display the harmonic measurement setting screen 2 Move the cursor to AVERAGE 3 Select the item amplitude or pha...

Страница 18: ...use the PAGE keys to move the cursor to HARM to display the harmonic measurement setting screen 2 Use the CURSOR keys to select the EXT TRIG item 3 Press the F2 ON key putting the product on hold for...

Страница 19: ...ted independently However the P of each channel is set to the degree of the Psum value 2 According to U U values are sorted by channel and I and P values are sorted by the respective degree for the re...

Страница 20: ...sorted by the specified parameter and other parameters are sorted for the respective degree Unsorted Sorted The graph list and vector displays are by harmonic order rather than by degree Therefore in...

Страница 21: ...ment This describes analysis using the 9605 01 HARMONIC MEASUREMENTS UNIT First refer to Chapter 3 Preparations for Measurement in the instruction manual of the 3194 Pay special attention to the preca...

Страница 22: ...es for other analysis data Be sure to carry this out with the PLL in the locked state The harmonics which can be analyzed depend on the frequency of the PLL source For details see the Specifications C...

Страница 23: ...se difference The phase difference between the voltage and current for a particular harmonic Total harmonic The total value of the harmonics being analyzed from 2nd to limit of analysis Total harmonic...

Страница 24: ...he 3194 manual 2 Connect the ground terminal to earth and connect the power cord to the 3P outlet 10 Select voltage range and current range 4 Make a connections and check there is no short circuit 3 T...

Страница 25: ...for each channel The display is divided into three graphs In this case the same item is displayed for each of the three systems NOTE 4 3 Graph Display of Harmonics A harmonic graph can display the amp...

Страница 26: ...P screen U1 screen I1 screen P1 screen P3 screen 1 Displaying procedure In harmonic mode press the F1 GRAPH to switch to the graph screen 2 Selecting the display format two methods Method 1 Press the...

Страница 27: ...he analysis from Amplitude Proportion and Phase Press the F5 SELECT key Move the cursor to the analysis item box and use the F1 and F2 keys to make a selection After specifying press the F5 RETURN key...

Страница 28: ...OG box and use the F1 and F2 keys to make a selection After specifying press the F5 RETURN key It is not possible to make individual LINEAR LOG selections The vector display also changes accordingly 6...

Страница 29: ...r the channel synchronized to the PLL source is valid When sorting is enabled display order is by descending amplitude 1 Display procedure In harmonic mode press the F2 LIST key to switch to the List...

Страница 30: ...urement items voltage current and power Method 2 Press the F5 SELECT key Move the cursor to the display item box and use the F1 and F2 keys to make a selection After specifying press the F5 RETURN key...

Страница 31: ...ress the F5 RETURN key This specification affects the list display in all screens Select the analysis information from the amplitude proportion and phase angle Selecting PHASE has the following signif...

Страница 32: ...e for a single phase system two lines voltage and current appear and for a three phase four wire system six lines voltage 3 current 3 are displayed By setting the hold state and switching the screen i...

Страница 33: ...CTOR key to cycles through the items U I U and I Method 2 Press the F5 SELECT key Move the cursor to the display format box and use the F1 and F2 keys to make a selection After specifying press the F5...

Страница 34: ...oltage or current for each system being measured together Format 2 Shown the waveforms voltage or current for each system being measured together The display is smaller than the graph of format 1 but...

Страница 35: ...t correlated with frequencies The waveform starts from a point at which the voltage waveform or current waveform specified as the PLL source waveform crosses the zero value and displays the first cycl...

Страница 36: ...mat Move the cursor to harmonic mode and press the F4 WAVEFORM to switch to the waveform display screen Each time you press the F4 WAVEFORM the waveform display switches to the next format when channe...

Страница 37: ...e a selection After specifying press the F5 RETURN key Select the scaling factor from 1 3 1 2 and 5 In this case for example using a scaling factor of 5 the waveform is magnified by 5 times There is n...

Страница 38: ...External signals can be synchronized with PLL for high frequency analysis of voltage current and electric power Also measurement of the phase amount change of voltage current based on external signals...

Страница 39: ...he range of 1 to 10 Vrms However as other distorted waveforms are also possible the PLL circuitry many not operate correctly and measurement cannot be made as well The phase difference between externa...

Страница 40: ...reen 2 Set the PLL source to Ext Con from the STATUS screen to measure the frequency of the external sync signal on the MEAS screen 3 Divide the external sync signal frequency by the frequency of the...

Страница 41: ...e hold function hold down the SHIFT key and press the HOLD key The following measurements are also possible When combined with the interval timer the results of analysis at the end of each interval ca...

Страница 42: ...36...

Страница 43: ...of using the floppy disk printer and various notes on this refer to the Instruction Manual for the 3194 product Chapter 11 Using the Floppy Disk and Chapter 13 Using the Printer The total number of ou...

Страница 44: ...g the CURSOR keys move the cursor to the item to be output 7 Press the F2 ON key to make a setting To delete the item which has been set press the F1 OFF key 8 Pressing the F3 LINE key sets the items...

Страница 45: ...of items to be output and corresponding minimum interval times for output to floppy diskette or printer are determined automatically as follows For integration data one data value is regarded as two v...

Страница 46: ...THDF U3 Voltage U1 total harmonic distortion ratio THD F Voltage U2 total harmonic distortion ratio THD F Voltage U3 total harmonic distortion ratio THD F THDF I1 THDF I2 THDF I3 Current I1 total har...

Страница 47: ...urrent I1 contents The n th harmonic current I2 contents The n th harmonic current I3 contents P1deg n P2deg n P3deg n P123deg n The n th harmonic power value P1 contents The n th harmonic power value...

Страница 48: ...42 6 2 Timer Control of Output...

Страница 49: ...rol functions are available The following controls apply to the 9605 01 Be sure to observe the items under the WARNING CAUTION and NOTE headings in Chapter 9 External Output External Control Terminals...

Страница 50: ...n 48 pin and 47 pin To use this control the external trigger setting must be set to ON This outputs a clock signal with the same frequency as the signal waveform selected as the PLL source For example...

Страница 51: ...screws on the connector NOTE Chapter 8 GP IB RS 232C Interface 8 1 Overview The 3194 MOTOR HARMONIC HiTESTER is fitted as standard with a GP IB RS 232C interface Using this interface all of the funct...

Страница 52: ...monic sampling processing end Sampling ended after the end of the sampling count set by the HARMonic RTC command 8 2 Event Registers This section explains only event registers added for the 9605 01 Fo...

Страница 53: ...are indicated in short form Function Describes the function of the command Note Describes points that require special attention when using the command Error Indicates the what kinds of errors might oc...

Страница 54: ...armonic order level percentage and phase angle to FDD or printer Syntax DATAout ITEM HARMonic ORDer Response syntax DATAOUT ITEM HARMONIC ORDER 0 50 0 50 ODD EVEN ALL Example Transmission Response DAT...

Страница 55: ...HARMonic ORDer command Note If the setting value is out of range an execution error occurs 128 64 32 16 8 4 2 1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 Level data1 HI3 HI2 HI1 HU3 HU2 HU1 dat...

Страница 56: ...to specify a single numerical value 128 64 32 16 8 4 2 1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 RMS value data1 HI3 HI2 HI1 HU3 HU2 HU1 Power data2 HPSUM HP3 HP2 HP1 THD R data3 HTRI3 HTRI2...

Страница 57: ...IP1 HMUP3 HMUP2 HMUP1 Syntax DATAout ITEM HARMonic WAVE Response syntax DATAOUT ITEM HARMONIC WAVE 0 63 0 63 0 63 Example Transmission Response DATAout ITEM HARMonic WAVE DATAOUT ITEM HARMONIC WAVE 1...

Страница 58: ...em on the harmonic list screen Syntax DISPlay HARMonic LIST Response syntax DISPLAY HARMONIC LIST 1 2 Example Transmission Response DISPlay HARMonic LIST DISPLAY HARMONIC LIST 2 Function Queries the d...

Страница 59: ...cter character H_GRAPH H_LIST H_VECTOR H_WAVE Example Transmission Response DISPlay DISPLAY H_GRAPH Function Queries the current screen displayed Note The harmonic screen is added to the existing DISP...

Страница 60: ...he wiring mode is 3P4W Syntax HARMonic DELTa Response syntax HARMONIC DELTA ON OFF Example Transmission Response HARMonic DELTa HARMONIC DELTA ON Function Obtains the on off state of the Y conversion...

Страница 61: ...ARMonic LPF Response syntax HARMONIC LPF 0 1 2 Example Transmission Response HARMonic LPF HARMONIC LPF 1 Amplitude has been selected as the object to be averaged Function Obtains the object selected t...

Страница 62: ...sion Response HARMonic PLL HARMONIC PLL HU1 Function Queries the current selecting channel as PLL source Syntax HARMonic RTC NR1 NR1 0 to 10000 Example HARMonic RTC 50 Sets the harmonic RTC counter to...

Страница 63: ...to the trigger pending state When this is ON the trigger pending state is entered When OFF the trigger pending state is left and the system switches to normal harmonic analysis For details refer to Ch...

Страница 64: ...responded however in the data section specification mode the harmonic level harmonic proportion and harmonic phase angle cannot be obtained Select the output items with the MEASure ITEM HARMonic comm...

Страница 65: ...50S HU2L01S to HU2L50S HU3L01S to HU3L50S HI1L01S to HI1L50S HI2L01S to HI2L50S HI3L01S to HI3L50S HP1L01S to HP1L50S HP2L01S to HP2L50S HP3L01S to HP3L50S HPSUML01S to HPSUML50S Percentage Voltage Cu...

Страница 66: ...HARMonic query in the default mode Note Some harmonics cannot be specified depending on the measurement frequency In this case an execution error occurs Syntax MEASure ITEM HARMonic ORDer Response sy...

Страница 67: ...e a MEASure ITEM HARMonic ORDer command Note If the setting value is out of range an execution error occurs 128 64 32 16 8 4 2 1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 Level data1 HI3 HI2 HI1...

Страница 68: ...nge an execution error occurs 128 64 32 16 8 4 2 1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 RMS value data1 HI3 HI2 HI1 HU3 HU2 HU1 Power data2 HPSUM HP3 HP2 HP1 THD R data3 HTRI3 HTRI2 HTRI1 H...

Страница 69: ...e ITEM HARMonic SORT MEASure ITEM HARMonic SORT 5 Function Obtains the harmonic orders specified by the MEASure ITEM HARMonic SORT command Syntax MEASure ITEM HARMonic WAVE NR1 NR1 NR1 0 to 63 Example...

Страница 70: ...tting items specified by the MEASure ITEM HARMonic WAVE command Syntax ZEROadjust HARMonic Example ZEROadjust HARMonic Function This carries out zero adjustment of the analog section of the 9605 01 If...

Страница 71: ...SPlay HARMonic GRAPh Queries the displays for the harmonic graph screen DISPlay HARMonic LIST NR1 numerical data 1 Sets the displays for the harmonic list screen DISPlay HARMonic LIST Queries the disp...

Страница 72: ...m for the harmonic default MEASure ITEM HARMonic ORDer NR1 numerical data 2 character data 1 Sets the output order of the harmonic data MEASure ITEM HARMonic ORDer Queries the setting of the output or...

Страница 73: ...HARMonic WAVE DATAout ITEM HARMonic WAVE DISPlay HARMonic GRAPh DISPlay HARMonic GRAPh DISPlay HARMonic LIST DISPlay HARMonic LIST DISPlay HARMonic VECTor DISPlay HARMonic WAVE DISPlay HARMonic WAVE...

Страница 74: ...FF ON ON MEASure ITEM HARMonic ALLClear MEASure ITEM HARMonic ORDer MEASure ITEM HARMonic ORDer MEASure ITEM HARMonic LIST MEASure ITEM HARMonic LIST MEASure ITEM HARMonic NORMal MEASure ITEM HARMonic...

Страница 75: ...er ORDer LIST LIST NORMal NORMal WAVE WAVE DISPlay HARMonic GRAPh GRAPh LIST LIST VECTor WAVE WAVE DISPlay HARMonic CHANnel CHANnel DELTa DELTa DIVider DIVider LPF LPF PHASezero PLL PLL RTC RTC SORT S...

Страница 76: ...70 8 6 Specific Command Tree MEASure ZEROAdjust HARMonic ALLClear ORDer ORDer LIST LIST NORMal NORMal SORT SORT WAVE WAVE HARMonic HARMonic SORT ITEM HARMonic...

Страница 77: ...3 HWI3 HWI2 HWI2 HWU3 HWU2 HWU1 14 DATAout only NOTE 8 7 The Output Item Bits 1 Harmonic analysis The data specified by MEAS ITEM HARMonic is output in the following order The bits set by MEAS ITEM HA...

Страница 78: ...72 8 7 The Output Item Bits...

Страница 79: ...to 4 5 kHz Measurement system PLL synchronization fixed clock Analysis method FFT Type of window Rectangular gaps in window Display update rate Every 1 window excluding when FD printer output and com...

Страница 80: ...280 to 560 f X 1024 8 cycles 400 th 100 kHz or less 560 to 1120 f X 512 16 cycles 200 th 100 kHz or less 1120 to 2240 f X 256 32 cycles 100 th 100 kHz or less 2 cycles 2240 to 4500 f X 128 64 cycles 5...

Страница 81: ...ms value current rms value active power value harmonic level harmonic percentage harmonic phase angle total harmonic distortion ratio Graph display Harmonic level harmonic percentage harmonic phase an...

Страница 82: ...equency synchronized with PLL is not integer multiples of frequency composition If the fixed clock is used frequency composition other than integer multiples of 50 Hz does not have accuracy requiremen...

Страница 83: ...tive rms value P i U i sI i s 2 1 M M 1 s 0 P i P i 1 P i 2 P i P i 1 P i P i 1 P i P i 1 P i 2 P i P i 1 P i P i 1 P i 2 P i P i 1 P i P i 1 P i 2 P i P i 1 P i 2 i i 1 and i 2 are the measurement ch...

Страница 84: ...al harmonic current distortion ratio THDIR THDIR k k 2 Ik 2 I 100 Note 1 i i 1 and i 2 are the measurement channel numbers Note 2 The subscript k on U I and P indicates the harmonic number so for exam...

Страница 85: ...l Vk Vkr When the harmonic voltage tan 1 180 Ukr Uki tan 1 Ukr Uki tan 1 180 Ukr Uki Uki 0 Ukr 0 Uki 0 Ukr 0 Uki 0 Ukr 0 Uki 0 Ukr 0 90 90 180 0 Power phase angle Voltage current phase angle Lag Lead...

Страница 86: ...ic voltage phase angle i U k i 1 U k i 2 U k i U k i 1 U k i U k i 1 U k i U k i 1 U k i 2 U k i U k i 1 U k i 2 U k Harmonic current phase angle i I k i 1 I k i 2 I k i Ik i 1 Ik i Ik i 1 Ik i Ik i 1...

Страница 87: ...endix 1P2W wiring When the U1 is selected as the PLL source When the load is purely resistive the phase difference between voltage and current is 0 When the load is capacitive The current has lagging...

Страница 88: ...the U1 is selected as the PLL source U2 is reverse phased 180 from U1 When the load is purely resistive The phase difference between U1 and I1 and U2 and I2 is 0 as shown above When the load is induc...

Страница 89: ...is measured between lines and current is measured with phase so U2 is phased 60 from U1 When the load is purely resistive I1 lags U1 by 30 and I2 leads U2 by 30 With an inductive load such as a motor...

Страница 90: ...s of voltage and current are summed The figures above show the state when the load is purely resistive With an inductive load such as a motor The effective power of ch1 appears negative because I1 lag...

Страница 91: ...e the phase of the voltage of each channel is shifted 120 When the load is purely resistive as shown above the phase difference of the voltage and current of each channel is 0 Compared to 3P3W 3V3A wi...

Страница 92: ...ages U1 U2 and U3 are converted into momentary waveforms for phase voltages u1 u2 and u3 using the following operation expressions s refers to value u1s U1s U3s 3 u2s U3s U2s 3 u3s U2s U1s 3 Since N i...

Страница 93: ...Theory The momentary waveforms for phase voltages U1 U2 and U3 are converted into momentary waveforms for line voltages u1 u2 and u3 using the following operation expressions s refers to sampling valu...

Страница 94: ...1 Connect voltage and current lines as shown below in the same way as when the motor is operated using an inverter 2 The rotation sensor signal must be connected to pins 48 47 of the EXT CONTROL termi...

Страница 95: ...pulse count as when the 3194 is used with a dividing setting of 1 1 For example the pulse count must be 2 pulses rotation in the case of a 4 pole motor 2 Harmonic measurement of induced voltage The 31...

Страница 96: ...can be determined easily without significant change in the wiring for the induced voltage measurement If zero correction is performed on the phase difference between the rotation sensor signal and the...

Страница 97: ...ion synchronizing signal is a TTL level signal 2 Input the line voltage or current to be analyzed to channel 2 3 Set the PLL source to U1 Use the following method to measure the electrical angle while...

Страница 98: ...also undergoes FFT analysis In addition using the fundamental wave as a reference the absolute phase of the signal of the line to be analyzed is measured If the duty ratio of the rotation synchronizin...

Страница 99: ...81 268 28 0568 E mail os com hioki co jp URL http www hioki co jp Printed in Japan 9605B981 01 All reasonable care has been taken in the production of this manual but if you find any points which are...

Страница 100: ...2 Japan TEL 81 268 28 0562 FAX 81 268 28 0568 E mail os com hioki co jp URL http www hioki co jp HIOKI USA CORPORATION 6 Corporate Drive Cranbury NJ 08512 USA TEL 1 609 409 9109 FAX 1 609 409 9108 960...

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