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PCT200 Series CT/PT Test System User Manual

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Summary of Contents for PCT200 Series

Page 1: ...cation of PONOVO POWER CO LTD Any form of copy should obtain the consent of it This manual represents the technical status for the moment of publishing The product information description and specific...

Page 2: ...id electric shock accident when the output voltage is above 36V Short circuit is prohibited at output side while testing Connect wires in accordance with instructions External voltages and currents ar...

Page 3: ...sed in the above fields and the wiring connection operations should be executed in the guide of the user manual Any other usage is invalid The users must operate PCT in the proper way Otherwise improp...

Page 4: ...uman PCT and test object 12 Make sure that the terminals of the test objects are not charging to exit the program 13 Please make wiring connection in the guide of user manual while making CT test If t...

Page 5: ...utput 16 3 4 Save Test Report 16 3 5 PCT Report Tools User Manual 19 4 Burden Test 31 4 1 Wiring Connection 31 4 2 Test Operation 32 5 CT Test 33 5 1 Wiring Connection 33 5 2 Test Operation 35 5 2 1 S...

Page 6: ...g CT Test 49 5 3 5 Test CT with Tapping 50 6 PT test 51 6 1 Wiring Connection 51 6 1 1 Polarity and Ratio Test 51 6 1 2 Excitation Test 53 6 2 Test Operation 54 6 2 1 Settings 54 6 2 2 Polarity and Ra...

Page 7: ...ratio Guess ratio Turn ratio and error Ratio error and phase displacement Rct Burden Excitation characteristic CT demagnetization Knee point V I Remanence flux Kr Secondary time constant Ts Unsaturate...

Page 8: ...as the function The symbol indicates assessment not to guarantee the accuracy The symbol indicates it doesn t have the function Symmetrical short circuit current ratio Kssc Peak instantaneous total er...

Page 9: ...1m Typ 0 1 1m Gur at 0 05 200 resolution 0 1m Rct accuracy resolution 0 05 1m Typ 0 1 1m Gur at 0 05 200 resolution 0 1m Phase displacement 1min Typ 3min Gur resolution 0 01min 1min Typ 2min Gur reso...

Page 10: ...urement is used to test the bushing CT and GIS CT that can t be measured by traditional way The knee point voltage of CT ranges from 1 45 000V And the excitation characteristic test speed is fast Thes...

Page 11: ...PCT200 Series CT PT Test System User Manual 11 User defined test according to the defined standards PT test items ratio polarity and volt ampere characteristic...

Page 12: ...is of PCT is grounded 2 One end of CT primary side grounded P2 Note There is a grounding switch in one side of primary No matter the grounding switch is in P1 or P2 only one end is supposed to ground...

Page 13: ...PCT200 Series CT PT Test System User Manual 13 1 5 Block Diagram...

Page 14: ...testing CT PT PT Excitation only 3 Primary side voltage test while testing CT 4 Connecting PT primary side 5 Secondary side voltage test while testing PT 6 Run lamp output indicator flashing while ou...

Page 15: ...3 Operation Instruction 3 1 Select Test Functions Choosing main menu button at any interface to enter then rotating rotary encoder to change the cursor position and select specified testing button Th...

Page 16: ...st and stop test functions can control the output While output the operation indicator will flash 3 4 Save Test Report After testing select the report menu and enter into report save interface The rep...

Page 17: ...rts to Disc D Synchronize PT Report Synchronize today s or all the reports into mobile disc showing below Save PT Report Save the reports to Disc D Report tools For the operation of the Report tools p...

Page 18: ...hronized 2 Target folder Select the folder to save the synchronized reports 3 Synchronize Folder Synchronize all the reports in the folder 4 Sync today s CT PT report Synchronize the day s CT PT repor...

Page 19: ...ort is pct format All the reports are saved in Disc D 3 CT report to excel to convert the CT report into Excel format report support multi report selection The conversion process includes the tips con...

Page 20: ...ould open the files after selection 2 Files add it superposes the opened files listing in the open file list If the previous open files are less than 6 the correct PCT files the superposition open fil...

Page 21: ...t the report is the same as the test excel report and its name is similar to the PCT files If there are more than one reports the reports are excel reports based on new report model The present save f...

Page 22: ...PCT200 Series CT PT Test System User Manual 22 The following is sampling Excel format report A4...

Page 23: ...PCT200 Series CT PT Test System User Manual 23...

Page 24: ...PCT200 Series CT PT Test System User Manual 24...

Page 25: ...round is grey and not selected Click the check box and double click the files to open or move the reports If users move the reports it will change in delete report menu synchronously JPG file list Lis...

Page 26: ...PCT200 Series CT PT Test System User Manual 26 Settings set the present report The number keys are switched the present open reports Double click to change the page script...

Page 27: ...PCT200 Series CT PT Test System User Manual 27 Result display the present test results The number keys are switched the opened reports Double click to change the page script...

Page 28: ...u Add user data add the user data of each curve The number keys can choose one curve to display on the top and the lines are bold Click one curve color to change the present curve color e g Red 1 The...

Page 29: ...PCT200 Series CT PT Test System User Manual 29...

Page 30: ...PCT200 Series CT PT Test System User Manual 30...

Page 31: ...ormer according to the below direction while doing secondary load impedance test Wiring direction The transformer s output end S1 and testing end S1 are connected with one side of secondary load the C...

Page 32: ...t unit CT secondary burden measuring can be done After entering this unit and moving the mouse in the load impedance testing zone the test software button is automatically available The load impedance...

Page 33: ...connected according to the below diagram Wiring direction The transformer s output S1 and testing side S1 are connected with one side of CT secondary The transformer s output S2 and testing side S2 a...

Page 34: ...l But the testing cable is connected with the transformer by a public clap Two testing cables use a public clap INCORRECT Physics background While two cable is applied if there is contact resistance i...

Page 35: ...ntering into main menu The CT nameplate parameters can be set by mouse or keyboard The testing result will be correct on condition that the settings are right The related parameter settings are based...

Page 36: ...PCT200 Series CT PT Test System User Manual 36...

Page 37: ...PCT200 Series CT PT Test System User Manual 37 TPY type CT parameter setting...

Page 38: ...PCT200 Series CT PT Test System User Manual 38 M type CT parameter setting...

Page 39: ...emagnet Burden measuring unit Entering the Rct measuring unit the secondary winding Rct can run automatically after pressing the run button The measuring result 25 degrees celsius means the resistance...

Page 40: ...Demagnetization CT demagnetization can be done after selecting the Rct Polarity Demagnet Burden unit The process will automatically run when entering the unit and pushing the run button After the pro...

Page 41: ...4 Polarity Test CT polarity check can be done after selecting the Rct Polarity Demagnet Burden unit The polarity test is automatically finished while pushing the run button It stops automatically and...

Page 42: ...t CT excitation test can be done after selecting the Excita unit The test will automatically run while entering the Excita unit It stops automatically after test and the lamp is off The test result di...

Page 43: ...be shown at the knee point Press Cursor left Cursor right or put in figures related to the value to observe Press excitation button the excitation curve can be changed into data table pressing V A dat...

Page 44: ...o test can be made in Ratio test CT ratio ratio error phase displacement composite error and turns ratio error can be automatically tested When the test is completed it stops automatically and the lam...

Page 45: ...d demagnetization tests all can be done after selecting auto test unit and pushing run button When it is finished the test automatically stops and the lamp is off Ratio excitation knee voltage polarit...

Page 46: ...PCT200 Series CT PT Test System User Manual 46 5 3 Application Examples 5 3 1 Transmission line CT Test...

Page 47: ...PCT200 Series CT PT Test System User Manual 47 5 3 2 CT Test in Delta Connection Transformer In order to reduce interference other windings of the CT transformer should be short circuit...

Page 48: ...PCT200 Series CT PT Test System User Manual 48 5 3 3 CT Test in the Star Connection Transformer In order to reduce interference other transformer s windings should be short circuit...

Page 49: ...PCT200 Series CT PT Test System User Manual 49 5 3 4 Bushing CT Test In order to reduce interference other windings of the CT transformer should be short circuit...

Page 50: ...PCT200 Series CT PT Test System User Manual 50 5 3 5 Test CT with Tapping All the windings in the same shank are all switched on while testing CT with tapping...

Page 51: ...w when doing PT polarity ratio test Wiring directions The output A of transformer is connected with one side of PT primary The output N of transformer is connected with one side of PT primary The seco...

Page 52: ...PCT200 Series CT PT Test System User Manual 52 Note The wiring for primary and secondary cannot be wrong otherwise it may give thousands of voltage...

Page 53: ...e transformer Three phase voltage transformer Wiring directions The output S1 of PCT is connected with one side of PT secondary The output S2 of PCT is connected with the other side of PT secondary Th...

Page 54: ...PCT200 Series CT PT Test System User Manual 54 6 2 Test Operation 6 2 1 Settings Set parameters according to PT nameplate...

Page 55: ...T PT Test System User Manual 55 6 2 2 Polarity and Ratio Test The PT polarity ratio test can be automatically finished after selecting polarity ratio and pushing run button It stops automatically and...

Page 56: ...User Manual 56 6 2 3 Excitation Test Enter into PT test unit and then choose excitation test Every voltage and current value can be checked in the excitation curve Press Save button to save the testin...

Page 57: ...PCT200 Series CT PT Test System User Manual 57 7 Assessment In the CT Parameter Assess areas the assessment items will be automatically activated according to the test CT type and standards...

Page 58: ...FS 4 016 It means while making this kind of CT the PCT can only test FS at 4 016 times but can t get the exact FS value It is not confirmed if the real FS value or 5 In this regards the NA option will...

Page 59: ...PCT200 Series CT PT Test System User Manual 59 In this case the test engineer can decide to pass or fail the result separately and save the assessment report...

Page 60: ...nsformer class TPX TPZ protection current transformer class TPZ TPS protection current transformer class TPS Standard including 60044 1 IEC60044 1 60044 6 IEC60044 6 ANSI30 ANSI45 f frequency cos Ipn...

Page 61: ...tal Specified accuracy being maintained in tal tfr dead time during auto reclosing V kn The voltage of knee point I kn The current of knee point Rct secondary winding resistance Eal equivalent limiti...

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