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7.2.3.2 Showing the graph in °C

When the resistance of the winding at any specific temperature and the material is known, all the
values can be displayed as °C.

Enter the resistance value (Rcold) of the
winding, the corresponding temperature (Tref)
and the temperature coefficient of the
conductor.

The approximation and the values are shown as Temperature.

Linear Approximation:

T0:

Temperature at time t = zero

Slew rate dt/dt in °/ min

Cor: Correlation of the approximation

Exponential Approximation:

T0:

Temperature at time t = zero

R∞:

Temperature at time t = ∞

tau:

Time constant

Cor:

Correlation of the approximation

Instruction Manual Winding Resistance Meter
Type WR100 / WR50 / WR14

Page 87 of 139

Содержание WR100-12R

Страница 1: ...Raytech GmbH Oberebenestrasse 11 CH 5620 Bremgarten Switzerland INSTRUCTION MANUAL ENGLISH...

Страница 2: ...peration Elements 24 5 1 WR100 24 5 1 1 Front Panel WR100R 24 5 1 2 Rear Panel WR100R 26 5 1 2 1 Mains Connections 28 5 1 3 Mains Connection Example for WR100R 29 5 2 WR50R 30 5 2 1 Front Panel WR50R...

Страница 3: ...Profile 71 6 3 13 1 Create a new Profile 72 6 3 13 2 Load Transformer Profile from Archive 75 6 3 13 3 Working with Templates 76 6 3 13 4 Diagram 78 7 Options 79 7 1 Temperature Measurement 79 7 2 Hea...

Страница 4: ...3 102 9 1 2 USB 103 9 1 3 Extern 104 9 1 3 1 Standard type 104 9 1 3 2 Example for connecting an external warning device 105 9 1 3 3 Extended Safety Circuit type 105 Instruction Manual Winding Resista...

Страница 5: ...er for T Base Pro 116 B Software Development Kit SDK 117 C Service Mode 118 C 1 Calibrate Touchscreen 118 C 2 Show Ground Warning 119 C 3 CSV Separator 120 C 4 Raytech USB Driver for T Base 121 C 4 1...

Страница 6: ...and indirectly engaged in the operation of this test equipment should keep clear of all high voltage apparatus while conducting tests and measurements WARNING Never connect the instrument to an energ...

Страница 7: ...the instrument in the presence of flammable gases or fumes DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT Because of the danger of introducing additional hazards do not install substitute parts or perfo...

Страница 8: ...of Accessories Rack handles Fuses Current cables Jumper cables 2 cables with WR100 13R Cable bag Potential cables Channel 1 Potential cables Channel 2 Potential cables Channel 3 with WR100 13R USB Me...

Страница 9: ...ion Set of Accessories Rack handles Fuses Current cables Jumper cables 2 cables with WR50 13R Cable bag Potential cables Channel 1 Potential cables Channel 2 Potential cables Channel 3 with WR50 13R U...

Страница 10: ...county of distribution Set of Accessories Rack handles Fuses Current cables Jumper cables 2 cables with WR50 13R Cable bag Potential cables Channel 1 Potential cables Channel 2 USB Memory Stick Instr...

Страница 11: ...are misssing or damaged contact your local representative or Raytech Switzerland immediately Optional test leads may be ordered other than shown Instruction Manual Winding Resistance Meter Type WR100...

Страница 12: ...WR50 50A WR14 15A Operation The WR series of instruments apply a present current level selected by the user from 0 025A to 100A The 50V2 power source quickly charges the load and the results of the t...

Страница 13: ...t system is measuring Complete automatic calibration system and system diagnostics Standard USB 1 1 RS232 serial Interface Pure filtered DC Power source for the highest accuracy readings Automatic hig...

Страница 14: ...se systems are equipped with heavy duty discharge circuits that are very unique in design The internal discharge circuit dissipates the stored energy in the transformer windings with a Constant Power...

Страница 15: ...chnique for each Channel The points where the potential leads are connected determine the resistance reading The test set employs a very simple principle of Ohm s law R U I R Resistance U Voltage I Cu...

Страница 16: ...ower on the instrument 2 Select the Test Current press Range or Setup Range 3 Press start button 4 Get the results 5 Press stop button WARNING Wait until the green light shows Safe before disconnectin...

Страница 17: ...bject on page 19 1 Power on the instrument 2 Check enable Use Profiles and touch OK 3 Touch Profil 4 Touch New 5 Touch New Transformer 6 Define new Transformer parameters by selecting the symbols at t...

Страница 18: ...blue area above the Result to change 9 Choose a Caption 10 and touch OK 11 Start a Measurement as usual WARNING Wait until the green light shows Safe before disconnecting the cables Instruction Manual...

Страница 19: ...ugh the windings You can save time if you measure the high voltage side in series with the low voltage side from the same magnetic core Because there are more turns on the high voltage side you reach...

Страница 20: ...4 4 1 Single Phase Transformer Vector Group 0 Measurement of HV and LV Winding Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 20 of 139...

Страница 21: ...4 4 2 Three Phase Transformer Vector Group 0 Measurement of HV and LV Winding Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 21 of 139...

Страница 22: ...4 4 3 Three Phase Transformer Y Measurement of one LV Winding Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 22 of 139...

Страница 23: ...4 4 4 Three Phase Transformer Y Measurement of two LV Winding Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 23 of 139...

Страница 24: ...5 Operation Elements 5 1 WR100 5 1 1 Front Panel WR100R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 24 of 139...

Страница 25: ...ns Red Light on Unsafe mode Don t remove any cables there is Current flowing and Voltage on the test leads The Transformer is not discharged 3 Main Switch Press to switch on off 4 Emergency Stop Press...

Страница 26: ...5 1 2 Rear Panel WR100R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 26 of 139...

Страница 27: ...ge 102 for detail 5 Option Serial Printer and 5V DC See chapter 9 1 1 RS 323 on page 102 for details 6 Extern This port can be used for an external warning device See chapter 9 1 3 Extern on page 104...

Страница 28: ...ins Connections for details 5 1 2 1 Mains Connections 5 1 2 1 1 Mains Plug L1 Phase 1 Brown L2 Phase 2 Black L3 Phase 3 Not connected N Neutral Grey must be connected as neutral do not connect as a Ph...

Страница 29: ...5 1 3 Mains Connection Example for WR100R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 29 of 139...

Страница 30: ...5 2 WR50R 5 2 1 Front Panel WR50R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 30 of 139...

Страница 31: ...ons Red Light on Unsafe mode Don t remove any cables there is Current flowing and Voltage on the test leads The Transformer is not discharged 3 Main Switch Press to switch on off 4 Emergency Stop Pres...

Страница 32: ...5 2 2 Rear Panel WR50R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 32 of 139...

Страница 33: ...ection for the and Sense Cable for each channel to the test object Channel 3 only used on WR50 13 6 Temperature receptacle These 3 receptacles are for the external temperature probes Optional Accessor...

Страница 34: ...5 3 WR14R 5 3 1 Front Panel WR14R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 34 of 139...

Страница 35: ...ght on Unsafe mode Don t remove any cables there is Current flowing and Voltage on the test leads The Transformer is not discharged 3 Main Switch Press to switch on off 4 Emergency Stop Press to stop...

Страница 36: ...5 3 2 Rear Panel WR14R Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 36 of 139...

Страница 37: ...r details 5 Fuse and Main Input A 1 6A T slow blow fuse protects the WR14 Use only the correct fuse type to replace it 6 Current receptacle Connection for the and Current Cable to the test object 7 Op...

Страница 38: ...e tab General The following screen will appear where you can enable Use Profiles The difference between Standard mode and the Use Profiles mode is how you ultimately store your result Standard mode is...

Страница 39: ...creen instead of Results For more details see chapter 6 2 Menu Structure Use Profiles on page 41 and 6 3 13 Profile on page 71 To learn more about these two methods of storing the results go to chapte...

Страница 40: ...mode in the Setup menu by unchecking the check box shown in chapter 6 Operating Menu on page 38 The results will then be simply organized and saved by date and time without any transformer informatio...

Страница 41: ...ibed in this chapter turn it on in the Setup menu by selecting the check box shown in chapter 6 Operating Menu on page 38 Only available if an USB Key is connected to the instrument Instruction Manual...

Страница 42: ...sorting measurements will not be necessary once a Profile is created The Profile of a transformer record contains the general header information and an attached result contains the measurements of th...

Страница 43: ...nsformer was measured again on the 1st of each month This means that the transformer Profile was loaded from the archive each time a measurement was required and done In the example above it is the 1s...

Страница 44: ...nt is on Start is active when Current is off Store Stores the results while the measuring Current is on Demag Demagnetizes the core of a test object See chapter 6 3 5 Setup Goes directly to the Setup...

Страница 45: ...Temp Correction Shows the temperature parameters Temperature variables can be modified by pressing the Setup Button or directly in the text C See chapter 6 3 11 Instruction Manual Winding Resistance M...

Страница 46: ...Store Instrument stores the value shown in the Display R1 R2 The Measurement doesn t stop 6 3 4 Stop Press Stop Instrument stops the measurement and begins the discharge process DO NOT disconnect the...

Страница 47: ...current which is usually the same current as the test current and then press start Demagnetizing procedure runs automatically For a technical description of the demagnetizing feature See Appendix Feh...

Страница 48: ...menu allows the changing of the caption of the channels If you use profiles you can select the windings you would like to measure Also if a multiplexer is selected it will automatically control the sy...

Страница 49: ...atically after the USB mouse is connected You can control the instrument with a USB mouse track ball and or keyboard 6 3 7 2 Use Profiles This allows operation of or access to transformer profiles For...

Страница 50: ...white screen Default B Colored screen Black and white may be selected on certain outdoor conditions For example bright sun light Select the corresponding color button to change the color Choose a col...

Страница 51: ...from Ohm to Ohm Length The test results are then corrected to the selected display method The length of the test object is predefined by the customer Enter the length of the test specimen Instruction...

Страница 52: ...baseRemote and TBaseSequence Software If there is no valid license status displayed contact your local representative or Raytech GmbH Extend the license To modify or extend the license enter a new lic...

Страница 53: ...y and do not Unzip it Connect the USB key to the instrument and press install The system will detect and automatically install the new firmware and restart the system 6 3 7 7 Language The selection of...

Страница 54: ...arrow the calendar will be displayed Select the date by pressing on the actual day Time Select hour minute second by highlighting the numbers in the clock Pressing the arrows the time will increase or...

Страница 55: ...rinters can be connected Select the desired printer to print results Printers not listed are not supported For more Information see chapter Fehler Referenz nicht gefunden Fehler Referenz nicht gefunde...

Страница 56: ...librate the touchscreen activate USB driver and so on For more information see chapter C Service Mode on page 118 The Service Mode has a limited access Enter the corresponding code or exit directly by...

Страница 57: ...e chapter 6 Operating Menu on page 38 6 3 8 1 With Profiles deactivated6 In the tab Config you can change the name Caption of the measurement channels Click on on the white field to change the name Ca...

Страница 58: ...appropriate relay Thus with a multiplexer you connect the measurement cables to a Transformer only once and all measurements are completed without changing any cables WS Select the Winding System 1 P...

Страница 59: ...Tap If the transformer has Taps select the Tap to be measured Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 59 of 139...

Страница 60: ...ent is stopped by the user Quality Assistant If the result is within the selected parameters a green light in the main screen will illuminate and indicate this condition If the result is out of the se...

Страница 61: ...lects the interval time from Start Time instead of from the 1st measurement point e g If the Interval Time is set to 10 seconds and the first measurement is taken at 27 seconds the system stores resul...

Страница 62: ...dicate this condition No results stored If the selected conditions are almost met a yellow light in the main screen will illuminate and indicate this condition No results stored Auto Print Results8 If...

Страница 63: ...ed on the right side are reserved for User specified Current settings For adjusting the User Settings Press Set Adjust all 3 settings by moving the cursor left or right to the desired Current level Pr...

Страница 64: ...t channel temperature probe or external temperature meter that the temperature correction is applied to If the required selection is more than one channel then the average value of the selected measur...

Страница 65: ...as 240 Alternative Correction with alpha25 to calculate Tk with the formula Tk 1 alpha25 25 When Temperature correction is activated the Main Test screen appears as below The T in the measuring chann...

Страница 66: ...is NOT corrected The corrected AND the uncorrected values are stored in memory whether or not the correction is activated in the display If the display shows a crossed Red T the result is not correcte...

Страница 67: ...ed on then the Results button on the main screen changes to Profile The Profile results can be found under the tabs Profile Info Results Shows the overview of the measurements which are sorted by Date...

Страница 68: ...Rmeas This is the measurement Result without a temperature correction Rcorr This is the temperature corrected measurement result T1 T3 The temperature of the probes Text Manual input of temperature v...

Страница 69: ...ense code for the Heat Run Test is available from Raytech or a Raytech representative Print Prints the graph on the panel mount internal Printer Save12 Press Save and the graph will be stored on the U...

Страница 70: ...le If you choose Export CSV the selected data will be exported in a CSV file that is named with the serial number of the instrument and the date and time You can locate the file in the directory Rayte...

Страница 71: ...r 6 2 1 on page 42 You can switch between the Active profile Internal profiles stored internally on the instrument or profiles stored on a USB Key This is an example of the Active transformer Profile...

Страница 72: ...imary winding of the transformer Choose the corresponding configuration of your transformer Primary side from the Setup menu shown below After selection the instrument will display the Primary configu...

Страница 73: ...to increase or decrease first and last tap steps The First Tap setting 2 shown Lower Taps The Last Tap setting 5 shown Upper Taps The total number of Taps selected will be displayed above OK Confirm w...

Страница 74: ...ransformer as a template press Temp For more information about templates see chapter Working with Templates on page 76 Press Go to view the screen to fill in the data from the nameplate of the transfo...

Страница 75: ...its Profile is already stored internally in the instrument or on a USB key memory stick Use Profiles must be selected in the General Tab under Setup The USB key tab will only be shown if a USB key is...

Страница 76: ...w Profile on page 72 but after all parameters have been entered press Temp instead of Go After creating a new Profile and pressing Temp rename the template with another name other than the date and th...

Страница 77: ...oned Profiles cannot be cloned You will be asked to enter a new transformer name and then the serial number for the newly cloned Profile Enter the Transformer Name and then the Serial Number then touc...

Страница 78: ...ph as a function of time e g cooling curve of a transformer With a Tap changer the curve is a function of the Taps In this example there are 3 Taps 14 14 F Tap is only available if you are working wit...

Страница 79: ...s Optional Part Number TP01 can be purchased for this purpose TP01 temperature probe is mounted to a flexible cable that plugs into the rear panel of the WR instruments This option enables the user to...

Страница 80: ...ransformer after the transformer has been heated The measurement is made in the interval15 mode without temperature correction In the Setup Menu the following settings must be made Activate Interval M...

Страница 81: ...est current is NOT switched on at this time After starting the timer disconnect the power cables or heat source of the test object and connect the measurement cables of the instrument Measurement resu...

Страница 82: ...red automatically Press the Stop Button at any time to halt the measurement After storing the last measurement the instrument turns off the output Current stops the measurement and automatically disch...

Страница 83: ...If Profile mode has been used See chapter 6 3 13 For more information If Profiles are not being used see chapter 6 3 12 Profiles From the main screen select Profiles the transformer Info the measureme...

Страница 84: ...value and the graph of the approximation R t 0 is shown Linear Approximation R0 Winding Resistance at time t zero m Slew rate dr dt in min Cor Correlation of the approximation Exponential Approximati...

Страница 85: ...You can Print the Graph with the approximation or Save the calculated values to the corresponding results Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 85 of 139...

Страница 86: ...ing measurement are stored under Remarks Double click on the highlighted measurement to open a new window with the calculated results The gif file is attached to the measurement data If you export the...

Страница 87: ...ef and the temperature coefficient of the conductor The approximation and the values are shown as Temperature Linear Approximation T0 Temperature at time t zero m Slew rate dt dt in min Cor Correlatio...

Страница 88: ...how Formula you will have a window after the calculation with all results Selecting Show Formula displays the calculated results Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 8...

Страница 89: ...5 Amperes Mains supply present A Mains plug connector symbol shown inside the Battery and the green LED on the power switch is Blinking This indicates that the system is connected to the mains Battery...

Страница 90: ...asurement doesn t stop but you are not able to start a new measurement until the mains supply is connected Very low Battery If the battery charge is extremely low the WR14 displays a second warning me...

Страница 91: ...nected To disconnect the Plug type connector push in first then pull out Connectors that become dirty should be cleaned with industrial alcohol before connecting The WRO112 consists of the following c...

Страница 92: ...ctor push in first then pull out Connectors that become dirty should be cleaned with industrial alcohol before connecting The WRO113 consists of the following cables 2x 10m Extensions for the Current...

Страница 93: ...ected To disconnect the Plug type connector push in first then pull out Connectors that become dirty should be cleaned with industrial alcohol before connecting The WRO102 consists of the following ca...

Страница 94: ...ctor push in first then pull out Connectors that become dirty should be cleaned with industrial alcohol before connecting The WRO103 consists of the following cables 2x 10m Extensions for the Current...

Страница 95: ...et The WRO402 consists of the following cables 2x 10m Current cables 2x 10m Potential cables Channel 1 2x 10m Potential cables Channel 2 When ordering optional WRO402 with a new system the standard 5m...

Страница 96: ...rating Temperature Storage Temperature 10 C to 60 C 20 C to 70 C Current Range Measuring Range Accuracy Resolution 30 100A 0 00 2 7 0 1 Rdg 0 05 5 Digits or 0 05 15 30A 0 0 3 3 0 1 Rdg 0 1 5 Digits or...

Страница 97: ...t on market more than 10 times faster Discharge Indicator visible and audible indicator for discharge status Demagnetizing Circuit Warning device output to show transformer under test Emergency stop p...

Страница 98: ...Storage Temperature 10 C to 60 C 20 C to 70 C Current Range Measuring Range Accuracy Resolution 30 50A 0 00 1 3 0 1 Rdg 0 05 5 Digits or 0 05 15 30A 0 0 3 3 0 1 Rdg 0 1 5 Digits or 0 1 8 15A 0 0000m 6...

Страница 99: ...on market more than 10 times faster Discharge Indicator visible and audible indicator for discharge status Demagnetizing Circuit Warning device output to show transformer under test Emergency stop pu...

Страница 100: ...0 complete test results 0 00 to 100 k Operating Temperature Storage Temperature 10 C to 60 C 20 C to 70 C Current Range Measuring Range Accuracy Resolution 10 15A 0 00 1 0 1 Rdg 0 1 5 Digits or 0 05 5...

Страница 101: ...ore than 10 times faster Discharge Indicator visible and audible indicator for discharge status Demagnetizing Circuit Warning device output to show transformer under test Emergency stop push button im...

Страница 102: ...Host Pin 7 RxD Host WR Pin 4 GND Pin 1 5V DC Interface Parameters fixed not changeable Interface Parameters fixed not changeable Port Baudrate Databit Stopbits Parity RS232 38400Baud 8 Bit 1 Bit No P...

Страница 103: ...9 1 2 USB 3 x USB Master 1 x Front panel 2 x Rear panel Standard 1 1 1 x USB Slave 1 x Rear panel Standard 1 1 Instruction Manual Winding Resistance Meter Type WR100 WR50 WR14 Page 103 of 139...

Страница 104: ...condition See Example for connecting an external warning device below Use the working contact between Pin 3 and Pin 4 maximum Load 240VAC 2A The contact is open when the system is Safe The contact is...

Страница 105: ...n external Warning Light or Beeper to indicate a Dangerous condition The function for this pins are the same as with the standard type see chapter 9 1 3 1 Standard type on page 104 Pins 1 and 2 on the...

Страница 106: ...ed together in the plug Extended Safety Circuit type with 6 pins Panelmount Connector on instrument Lemo ERA 1E 306 CLL RAN 40802 Cablemount Connector Extern Lemo FFA 1E 306 CLAC60 RAN 40803 Instructi...

Страница 107: ...Raytech GmbH Oberebenestrasse 11 CH 5620 Bremgarten Switzerland Appendix...

Страница 108: ...r for T Base Pro 116 B Software Development Kit SDK 117 C Service Mode 118 C 1 Calibrate Touchscreen 118 C 2 Show Ground Warning 119 C 3 CSV Separator 120 C 4 Raytech USB Driver for T Base 121 C 4 1 A...

Страница 109: ...asurement data in a table or diagram Control devices by remote option Generate save and print test reports Store all your data in one database organized by transformers not measuring method Use powerf...

Страница 110: ...utomatic Transformer Observing System called ATOS which is fully controlled by the T Base Pro software Add Ons complete the functionality to fit into a transformer manufacturing test flow It runs on a...

Страница 111: ...are accomplished much easier then manually performing these operations Powerful search functions and a modern graphical user interface support users in handling transformer profiles and measurments Te...

Страница 112: ...Import transformer name plate data and measuring results from devices via USB device USB key or RS232 with a few clicks Generate transformer name plate data sets on your PC and export them to devices...

Страница 113: ...devices as long as the license key has been entered and the devices are unlocked A 4 4 Proprietary Add On Sequence Sequence is an existing Add On to control Raytech devices and doing complete transfo...

Страница 114: ...O to external Software This is a basic Add On provided by Raytech It calls any program with a parameter on a PC An XML file as return value is accepted Instruction Manual Winding Resistance Meter Typ...

Страница 115: ...anager on the left side of the window is an explorer style which shows all transformers with measurements stored in the data base A hierarchic illustration helps to get a quick overview When a profile...

Страница 116: ...ed in the results section immediately Details about the device status and communication are shown in the status section In the screen example below a winding resistance meter is connected The meter st...

Страница 117: ...USB Driver for Windows provides the OS with full device functionality appearing to OS as a Raytech USB device This software can also be used without native Raytech USB drivers to control the device o...

Страница 118: ...ibrated by the enduser Enter code 0000 and follow the on screen instructions as depicted below You will see the following screen Press and hold stylus on the center of the target until the cross moves...

Страница 119: ...e Code 0200 Select Yes to enable the message Select No to disable the message If the ground warning message is enabled it will be displayed at every boot up of the instrument and the message must be a...

Страница 120: ...e following Service Codes CSV Separator Code 2010 CSV Separator Code 2011 CSV Separator t Code 2012 Example After entering the Code 2010 in the Service Mode the CSV Separator is 21 See chapter 6 3 12...

Страница 121: ...ivate the USB Driver for the T Base Pro For the changes to take effect power down and restart the system C 4 1 Active Sync for Toolbox Activate ActivSync to work with the previous older version of Ray...

Страница 122: ...mat of Strings all ASCII Characters from 0x20 to 0xff Standard Response Error Messages 1 Ok l 2 Syntax error 3 Out of range 4 Fail 5 Missing parameter 6 Too many parameter 7 Out of Range Meas 8 Intern...

Страница 123: ...ed from the internet at www raytech ch There you will find the USB driver and an installation guide The USB driver installation is not necessary in order to use the RS 232 serial port for communicatio...

Страница 124: ...e g All in One Printers Interface USB 1 1 or 2 0 Suggested Printers Ink Jet Canon iP90 Epson Stylus S20 HP Deskjet 6940 HP Deskjet H470B HP Deskjet H470WBT Epson Stylus Office B40W Laser Brother HL 5...

Страница 125: ...Channel 2 Pri Sec Vector D d 0 H1 H3 X1 X3 H1 H3 X1 X3 H2 H1 X2 X1 H2 H1 X2 X1 H3 H2 X3 X2 H3 H2 X3 X2 2 H1 H3 X1 X2 H1 H3 X1 X2 H2 H1 X2 X3 H2 H1 X2 X3 H3 H2 X3 X1 H3 H2 X3 X1 4 H1 H3 X3 X2 H1 H3 X3...

Страница 126: ...H0 X1 X2 H1 H0 X1 X2 H2 H0 X2 X3 H2 H0 X2 X3 H3 H0 X3 X1 H3 H0 X3 X1 5 H1 H0 X3 X1 H1 H0 X3 X1 H2 H0 X1 X2 H2 H0 X1 X2 H3 H0 X2 X3 H3 H0 X2 X3 7 H1 H0 X2 X1 H1 H0 X2 X1 H2 H0 X3 X2 H2 H0 X3 X2 H3 H0 X...

Страница 127: ...3 X2 5 H1 H3 X3 X2 H1 H3 X3 X2 H2 H1 X1 X3 H2 H1 X1 X3 H3 H2 X2 X1 H3 H2 X2 X1 7 H1 H3 X2 X1 H1 H3 X2 X1 H2 H1 X3 X2 H2 H1 X3 X2 H3 H2 X1 X3 H3 H2 X1 X3 11 H1 H3 X1 X3 H1 H3 X1 X3 H2 H1 X2 X1 H2 H1 X2...

Страница 128: ...gs on the same core and connect them in the same current direction To find out the corresponding windings of a transformer you can use the table from chapter F Measuring high and low voltage side in s...

Страница 129: ...low voltage side with the WR50 set for interval mode and with a current range of 40A After the results are obtained stop the current on the low voltage side first WR50 and then stop the current on the...

Страница 130: ...so magnetized after having a Direct Current source flow in a winding For example the application of Direct Current when performing a winding resistance test After measuring the Winding Resistance the...

Страница 131: ...recognized throughout the World for Precision Winding Resistance measurements A unique and new feature built into the WR series is the ability to Automatically Demagnetize a Transformer core on site...

Страница 132: ...gurations are possible containing up to to three Multiplexers up to three Winding Resistance Meters and a Turns Ratio Meter Control your Tap Changer with a powerful tap changer interface Operate all i...

Страница 133: ...rights on replacement parts as well as repair of defective parts shall expire after 12 months Warranty limitation period shall be extendable according to the price list The purchaser has the right to...

Страница 134: ...court and shall be referred to arbitration for final decision Any disputes between the purchaser and Raytech GmbH Switzerland shall be settled according to the rules of settlement and arbitration of...

Страница 135: ...m will revert to a pretest or main screen similar to the one shown Because the emergency switch is still depressed you are not able to start a new measurement All other features of the system such as...

Страница 136: ...without any device key USB key plugged into the WR instrument USB port Plug the USB key in and try again The following will appear The data can then be exported Instruction Manual Winding Resistance...

Страница 137: ...anel WR100R WR50 5 2 2 Rear Panel WR50R WR14 5 3 2 Rear Panel WR14R Touch Panel does not work Connect a USB mouse to the USB port and control the instrument with it The instrument will automatically d...

Страница 138: ...ary winding in series to the secondary winding See chapter F Measuring high and low voltage side in series on page 125 Cannot switch off the WR14 Disconnect the power cable and press the Power switch...

Страница 139: ...erebenestrasse 11 5620 Bremgarten Phone 41 56 648 6010 Fax 41 56 648 6011 Mail welcome raytech ch Web www raytech ch Your local Representative Instruction Manual Winding Resistance Meter Type WR100 WR...

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