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Current transformer tester potential transformer tester

Member Details

Wuhan Huaying Electric Power Tech & Science Co.,ltd

Hubei,China,Asia

  • Chinese Supplier

  • Free Member

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 ntroduction

 

Tests for Current Transformer:

1 Excitation curve and parameters test 
2 Turns ratio test 
3 Ratio and phase error test 
4 Polarity mark check 
5 Winding resistance measurement 
6 Secondary loop burden measurement 
7 Error line curve test for protection CT 
8 Transient CT parameters test 
9 CT nameplate guess 
10 Saturation hysteresis loop curve measurement

Tests for Voltage Transformer:

1 Turns ratio test 
2 Ratio error and phase angle error test 
3 Polarity test 
4 Secondary burden test 
5 Winding resistance test

 

Application

 

CT PT Tester application 
1 CT nameplate check 
2 CT parameters check in work burden 
3 CT transient parameters analysis 
4 CT ratio and phase error calibration 
5 PT routine test

 

Technical index

 

1 Test standards: IEC60044-1, IEC60044-6, IEC60044-2, IEC60044-5, C57.13 
2 Power supply: AC220V±10%, 50/60Hz±10% 
3 Voltage output: 0.1~180V (AC) 
4 Current output: 0.001~5A(RMS) 
5 Power output: 500VA 
6 Maximum knee voltage measurement: 45KV 
7 Current measurement: 
  Range: 0~10A (automatically change range in 0.1/0.4/2/10A)  
  Error: <±0.1%+0.01%FS 
8 Voltage measurement: 
  Range: 0~200V (automatically change range in 1V/10V/70V/200V) 
  Error: < ±0.1%+0.01%FS 
9 Turns ratio measurement: 
  Range:1~35000 
  1~2000     error<0.05% 
  2000~5000  error<0.1% 
  5000~35000  error<0.2% 
10 Phase measurement: error: ±2min; resolution: 0.01min 
11 Winding resistance measurement:  
   Range: 0~8kΩ (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm) 
   Error: < 0.2%RDG+0.02%FS 
   Maximum resolution: 0.1mΩ 
12 Temperature measurement:-50~100 Celsius degree; error<3 Celsius degree 
13 CT Secondary burden: 
   Range: 0~160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm) 
   Error: <0.2%RDG+0.02%FS  
   Maximum resolution: 0.001ohm 
14 PT Secondary burden: 
   Range: 0~80kohm (automatically change range in 800ohm/8kohm/80kohm) 
   Error :<0.2%RDG+0.02%FS  
   Maximum resolution: 0.1ohm 
15 PT ratio measurement: 
   Range: 1~35000 
   1~10000 error<0.1% 
   10000~35000 error<0.2% 
16 PT ratio error measurement: Typical error <0.05%, Maximum Error<0.1% 
17 PT phase angle measurement: maximum error < 3min 
18 Make evaluation for test results according to selected standards 
19 Make word report for test result 
20 Make word reports one time for multi-group test records on the PC 
21 Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test 
22 Compare excitation curves with saved excitation curves in the same window 
23 Memory capacity: >1000 groups test results  
24 Working condition: temperature: -10℃~50℃; moist: ≤90% 
25 Size: 485mm×356mm×183mm 
26 Weight: <15kg

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