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T200A Hardware Operation Manual

38

5.4.2 Ratio test



Connect I1 output to the CT primary side and CT secondary side to the current

measuring terminal, shown as above figure. Don’t make open circuit.



Select the

Ratio 250A

menu, shown as above figure.



Set the current for output, and CT secondary current rating. The software will

calculate the ratio by the CT secondary current rating automatically.



Press the

Run

button to output current. The tester will display the current it has

measured and the ratio that has been calculated.

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Содержание T200A

Страница 1: ... CO LTD To make any kind of copy of this manual please contact PONOVO POWER CO LTD in advance This manual represents the technical status for the moment of publishing The product information description and specifications mentioned in the manual do not have any contact binding force and PONOVO POWER CO LTD remains the right to make modifications to the technical specifications and configurations w...

Страница 2: ...p safety and avoid this situation occurring When high current is being outputted avoid personal injury and the equipment damage which is under test Never add external voltage and current onto the voltage current output terminals of the tester Since the tester is a kind of precision electronic equipment keep a water proof and damp proof environment for it Find any abnormal signs during the installa...

Страница 3: ...8 5 2 Any test 19 5 2 1 Manual Meter 19 5 2 2 Shot Linear Ramp Pulses Ramp 19 5 3 Relay test 22 5 3 1 Pick up test 22 5 3 2 Trip time test Trip time pulse length test 24 5 3 3 Reclosing 27 5 3 4 Under freq test 28 5 3 5 Differential test 30 5 3 6 Harmonic 32 5 3 7 Synchronism test 33 5 3 8 Directional test 34 5 3 9 DC relay mA level AC DC test 35 5 3 10 Motor overload test 36 5 4 CT Test 37 5 4 1 ...

Страница 4: ...5 6 Timer 44 5 7 Voltage current measuring function 45 6 PC report program 46 6 1 Install the report program 46 6 2 Run the program 48 6 3 Report sample 51 7 T200A Accessories 53 7 1 Soft Bag for Test Leads 54 7 2 Transportation Case 61 ...

Страница 5: ...quency relay The kit uses advanced switching power amplifier to replace the traditional transformer thus avoiding the dangerous high voltage across the current output T500 series universal tester offers 2 types of products T200A T1000 The following is the introduction of T200A Hardware configuration High power AC current I1 0 5 250A High power AC voltage U1 10 500V High power DC voltage Udc 10 300...

Страница 6: ...elays U2 I2 Directional voltage relays U2 I2 Directional power relays U2 I2 Overvoltage relays Undervoltage relays Motor overload protection I2 Thermal relays Automatic reclosing devices df dt relay U2 I2 Time delay relays U2 I2 Timer Binary input 2 Any Test Manually control the amplitude phase of AC variables Shot linear ramp pulse ramp 3 Timer Automatic test 4 CT test Primary secondary side inje...

Страница 7: ...T200A Hardware Operation Manual 7 7 Aux DC Provide power supply Provide power supply to relay or other equipment 8 PC control The test results can be transferred to external PC via USB port Optional ...

Страница 8: ... used for realizing the DC resistance and impedance measurement excitation characteristic test etc 5 AC DC ammeter they can be applied for measuring both internal and external outputs used for realizing the DC resistance and impedance measurement excitation characteristic test etc 6 Binary output one pair relay contacts Binary input two pairs with no polarity It can not only receive protection act...

Страница 9: ...igh precision voltage and current output it gives high precision adjusted angle and frequency good waveform and transient characteristic and is mainly applied for protection tests auto reclosing under frequency and directional power relay etc 12 Auxiliary DC power supply it s mainly used to provide power supply to protection or relay with the load of 0 5A continuously 13 High precision current AC ...

Страница 10: ...V Power 5 2000VA 20A 2000VA 250A Output current 250A 100A 50A 50A Allowed output time 120s 750s 3000s continuous High power AC voltage output U1 High power DC voltage output Udc Range 10 500V Accuracy 0 5 Power 1200VA 400V Load time 1A continuous 1 3 A Max 60min Range 10 300V Accuracy 0 5 Power 300V 750W 300V Load time Output 1A 1A Time continuous Max 60min ...

Страница 11: ...20A Accuracy 2 5mA 0 5 2 5mA 0 5 Power 20A 200VA 200W Frequency 20 100Hz Phase angle 0 360 Phase angle accuracy 0 5 Distortion 1A 20A 0 5 Transient response 500μs 500μs Load time 20A 60s 10A 240s 10A continuous Harmonics 2nd 3rd 5th 7th accuracy 1 Mode AC output DC output Range 0 120V 0 120V 1 5V 5 120V 1 5V 5 120V Accuracy 25mV 0 5 25mV 0 5 Power 120V 60VA 80W Frequency 20 100Hz Phase angle 0 360...

Страница 12: ... 5 0 5 Power 200mA 3VA 3W Frequency 20 100Hz Type Ammeter Voltmeter Range 0 6A AC DC 0 600V AC DC Accuracy 1 1 Number 2 Input characteristics 30 250VDC or dry contact Time resolution 1 ms 0 01 1s 0 1 1 9999 999s Max measuring time 9999 999s Number 1 Type Potential free relay contacts Break capacity AC Vmax 250V Imax 8A Pmax 2000VA Break capacity DC Vmax 250V Imax 8A Pmax 150W ...

Страница 13: ...10Vac Permissible tolerance 20 15 Nominal frequency 50 60Hz Permissible frequency 45 65Hz Operation temperature 5 50 C Operation humidity 5 95 non condensing Storage temperature 25 70 C Weight 23kg Dimension W H D 440 255 255mm PC connection USB Ground Socket 4 mm banana socket front side ...

Страница 14: ...ment panel where gets 4 buttons F1 F2 F3 and the menu Press the MENU button in the area you will enter into the main menu directly In the main menu rotate the ENTER button to select certain test item and then press the ENTER button to go into the interface of the test item you selected For sub menu you may press the F1 button to go back to last level menu ...

Страница 15: ...f the variable Select the step of parameter changing by using the Fast Fine adjustment button You may switch the step between 0 001 0 1 1 and 10 by pressing the button The parameter setting of action unit and manual unit Both before and after test you may select certain variable to set corresponding parameters Both before and after test you may press the Fast Fine adjustment button to change the v...

Страница 16: ... each page can display 10 reports With total 3 pages it can save 30 reports at most 1 3 denotes there have 3 pages and the current page is the first page The report with cursor below has test items whose names are listed as following figure in their item names 4 5 2 Report save After the test you may save current item following the guide on the screen Both date and time will be saved in the report...

Страница 17: ...lay Time can be represented by second or cycles Off delay When the tester receive a trip or reclose signal from the relay under test the tester will generate the voltage and current continually until the delay time end Volt denotes rated voltage value Freq denotes rated frequency of high precision AC DC I2 U2 according to rated frequency setting codes of electric network ...

Страница 18: ...elay Select the Aux DC menu as above figure shown Set the output voltage value press the Run button to output The ON OFF button on the panel can control the output voltage Note a The aux DC output can be controlled by the ON OFF button and be outputted with other terminals at the same time b The maximum output current is 0 5A ...

Страница 19: ...p Note In Manual Meter I1 and I2 should be short circuit if there is no output For example if I1works and I2 doesn t output the I2 should be short circuited If I2 is not short circuit a waning will be sent 5 2 2 Shot Linear Ramp Pulses Ramp It can output high power AC voltage current high power DC voltage high precision voltage current realize automatic control on amplitude phase of AC variables a...

Страница 20: ... 5A AC DC I2 AC DC U2 AC DC I3 Set the start value and duration time of variables Press the Run button to output When the tester receives the binary input of protection acting signal and finish recording the action time the test will stop Linear ramp Select output variables from the menu Udc 0 5A AC I2 AC U2 DC I2 DC U2 ...

Страница 21: ...cting signal and finish recording the action time the test will stop Pulse ramp Select output variables from the menu AC I2 DC I2 AC I3 DC I3 AC U2 DC U2 Set start value stop value step step time and interval time Press the Run button to output as above figure shown The variable will gradually increase in the mode of pulse on the step from the start value to the stop value When the tester receives...

Страница 22: ...T200A Hardware Operation Manual 22 5 3 Relay test 5 3 1 Pick up test ...

Страница 23: ...riables and amplitude of DC variables to change on the step Test process 1 Select test item and then go into the action value test unit 2 Set voltage and current values 3 Press the Run button the tester starts to output based on the setting rotate the ENTER button to control the output of the variable you selected as soon as the tester receives the binary input of relay acting signal the tester wi...

Страница 24: ...t and DC Test the outputs are U2 and I2 with similar interface Here we take AC Test as an example Note In high power AC I1 output unit the output should increase gradually in order to extend response time and reduce output over swing After receiving trip signal or reaching the settings it stops output Then it re outputs based on the settings and measures trip time ...

Страница 25: ... of offset to relay but no action Set the variable of Test to reliable action of relay undertest Set the values of current harmonics The 2nd and 3rd current harmonics 3 Test Press the Run button the tester will start to output under the AC Test Press the ENTER button into the Test and start time counting at the same time As soon as the tester receives the binary input of protection acting signal t...

Страница 26: ...T200A Hardware Operation Manual 26 1 Wiring 2 Test process Select item Udc 0 5A Set parameter Test starts ...

Страница 27: ...ick up denotes the time of first time tripping reclosing denotes the time between binary input a and b after each fault acctrip denotes the time of second time tripping Test process 1 Select test item go into the reclosing unit 2 Set voltage and current values of the two states 3 Test Press the Run button the tester will start to output under the Constant Fault Press the ENTER button into the Test...

Страница 28: ...itude it should be larger than the current blocking value of the relay unless the current blocking value of the protection is under test End frequency it should be larger than the under frequency blocking value and is suggested to be no less than 45Hz df dt it should be less than the df dt of the protection unless the df dt of relay is under test Frequency setting it could be settled under cycle a...

Страница 29: ...ame time the tester will start to count time when the frequency has dropped to the frequency setting If the relay acts while the action contacts are connected to the binary inputs of tripping the tester will stop to count time and show the action time If the relay doesn t work it will drop to the end frequency hold for 30s and then stop the test ...

Страница 30: ...test item and then go into the differential test unit Set the amplitude and phase of I1 and I2 For example I1 for differential current I2 for restraining current Press the Run button the tester will start to output based on the settled I1 I2 Rotate the ENTER button to change the magnitude of I1 Id As soon as the tester receives the binary input of relay acting signal press the Stop button to stop ...

Страница 31: ... the tester receives the binary input of relay acting signal and finish recording the action time the test will stop Note In Manual Meter I1 and I2 should be short circuit if there is no output For example if I1works and I2 doesn t output the I2 should be short circuited If I2 is not short circuit a waning will be sent ...

Страница 32: ...onic current Harmonic coefficient effective value of harmonic effective value of fundamental 100 Set U2 values of amplitude and phase 3 Test process Press the Run button and then the tester will output the recombination current of I2 fundamental and harmonic Here the ratio of harmonic to fundamental is larger than the protection s settled harmonic restrained coefficient so the differential protect...

Страница 33: ...dition power supply frequency 50Hz or 60Hz Connect wires as above figure shown Select the synchronizing test menu as above figure shown Set amplitude and phase of voltages from the menu Press the Run button to output the voltage value change the phase of voltage if the relay trips record the corresponding phase angle difference ...

Страница 34: ...ion zone of power direction relay Press the Run button to output voltage and current values Change the phase to make the phase angle of voltage current move from the non action zone to the action zone During the protection acting period mark the boundary I then change the moving direction of phase which is also moving from non action zone to action zone then marks the boundary II during the protec...

Страница 35: ...Connect wires as above figure Select Relay test Pick up High precision DC I3 test menu shown as above figure Set DC current value from the menu Press the Run button to output DC current adjust DC current and record corresponding DC current values during protection acting ...

Страница 36: ...ime of max output current is 120s Test process 1 Select test item 2 Set current values 3 The first state output current value should be smaller than trip current value of relay 4 The second state output current value should be bigger than trip value of relay and makes the relay act Press the Run button the tester will start to output the first state current value Press the ENTER button the state w...

Страница 37: ...t high power AC current menu shown as above figure Select a appropriate current output range Set the current value for output Press the Run button to output current check the sampling of protection or action behaviors of relay and switching If the output current has insufficient power the overload lamp will flame and the output will be shut down at the same time ...

Страница 38: ...bove figure Don t make open circuit Select the Ratio 250A menu shown as above figure Set the current for output and CT secondary current rating The software will calculate the ratio by the CT secondary current rating automatically Press the Run button to output current The tester will display the current it has measured and the ratio that has been calculated ...

Страница 39: ... polarity terminals of CT primary and secondary sides correctly Press the function button then the tester will output a voltage pulse It s not necessary to press the function button for a longer time The positive and negative lamps will tell us the TA polarity If the report is needed to be saved go to the CT Polarity menu and select the CT polarity that has been measured out to save shown as above...

Страница 40: ...Select the secondary DC Resistance test menu shown as above figure Set the DC current values for output and environment temperature Press the Run button to output the DC current the tester will display the DC voltage that has been measured and the secondary DC resistance that has been calculated at 75 ...

Страница 41: ...onding voltages that have been measured and corresponding series of test points Note During the test the current should be rise gradually and can t be swing up and down which might cause remanence The existence of remanence will have great effects on the measuring results Once this situation happens you should re elevate the current to be higher than the original value and then decrease it gradual...

Страница 42: ...cting sheet inside the CT terminal box heading to CT winding Select the Manual Meter menu shown as above figure Set the current value for output which is normally the secondary current rating Press the Run button to output current and the tester will display the voltage and secondary impedance value that have been measured ...

Страница 43: ...e Select the DC voltage value from the menu Press the Run button to output the DC voltage adjust DC voltage value and record the corresponding DC current value at the same time Operation loop test include 2 tests one is the start performance test to relay device another is the low voltage operating test to trip coil of the medium high voltage breaker ...

Страница 44: ...ouble channels test Connect wires as above figure shown Select the Timer menu shown as above figure Set single channel and or double channels from the menu Press the Run button to start the test The action time will be measured automatically before the test has ended ...

Страница 45: ... voltage and current and when you measure DC resistance or secondary impedance and CT ratio excitation curve this measure part have to be in series with in parallel with the output variable current or voltage or take it as a measurement tool to measure external variable Press the Run button to start the test and the test results will be displayed on the screen directly ...

Страница 46: ... working in platform of Windows XP WINDOWS 7 or WINDOWS 10 at 32 64bits b Please do not connect T200A with PC during installation process c Double click the program to install d Select Next until the Driver installation notice is coming out as below picture e Click Install to run the driver installation ...

Страница 47: ...200A Hardware Operation Manual 47 process f Press OK to finish this process g Re start the PC h Connect T200A with PC via USB cable and the driver will automatically identify and finish the installation ...

Страница 48: ...T200A Hardware Operation Manual 48 6 2 Run the program a Double click the program icon b Click the PC Control on T200A software c In the report program it will show the connection status as below ...

Страница 49: ...T200A Hardware Operation Manual 49 The connection is not successful please change the USB port or re install the driver program ...

Страница 50: ...T200A Hardware Operation Manual 50 When the connection is done successfully the function of Get report is enabled There are two report formats generated Word and TXT ...

Страница 51: ...T200A Hardware Operation Manual 51 6 3 Report sample Word format report ...

Страница 52: ...T200A Hardware Operation Manual 52 TXT format report ...

Страница 53: ... Web site www relaytest com www ponovo com cn for up to date information Standard accessories Item Part No Color coded current cables SAW0001 Color coded voltage cables SAW0002 Signal cables short lead SAW0003 4 Crocodile clips SAW0005 6 U clamps SAW0007 Pin clamps SAW0008 Power cord SAW0009 Earthing lead SAW0018 Data cable USB SAW0011 Transportation case SAC0106 ...

Страница 54: ...00A Wiring Accessory Package contains the following articles 1 Colour coded current cables SAW0001 colour coded current cable Amount 2 pieces The current cables to connect the T200A output to other safety sockets of generally the current parts voltage and signal tripping ...

Страница 55: ...nt 8 pieces The voltage cables to connect the T200A output to other safety sockets of generally the voltage parts current and signal tripping 3 Signal Cable SAW0003 Signal cables Amount 6 pieces It connects the T200A with other different sockets generally with signal tripping and current voltage testing ...

Страница 56: ...lead Amount 4 pieces It is used for the series or parallel connect between the relay terminals 5 Crocodile Clips SAW0005 Crocodile clips 10mm SAW0006 Crocodile clips 20mm Amount 8 pieces 4 pieces Crocodile clips for secondary side to connect to pins or screw types ...

Страница 57: ...used to connect test leads with screw type terminals Notes One end of the adapters have no insulator users should make sure there is no output during connecting the adapters Users insert the non safety into the terminals and screw it firmly then connect the test lead with the other end ...

Страница 58: ...d to connect test leads with screw type terminals 8 Power Cord SAW0009 Power code Amount 1 piece Power cord connects the T200A with power supply socket PONOVO will provide relevant plug socket according to different countries For the plug socket information please check the Chapter 11 Appendix ...

Страница 59: ...9 9 Earthing Lead T200A SAW0018 Earthing lead Amount 1 piece Earthing lead connects the T200A with ground to ensure kit safety Notes In order to avoid static induction users should connect the T200A with ground reliably before testing ...

Страница 60: ...T200A Hardware Operation Manual 60 10 Data cable USB SAW0011 Data cable USB Amount 1 piece The data cable connects the T200A with PC for communications ...

Страница 61: ...tion Manual 61 7 2 Transportation Case The large size case with wheels is designed for heavy transport stress with folding hand it is made of fireproof materials and smooth rolling rubber tires SAC0106 Transportation case ...

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