Gdva-405 Current Transformer and Voltage Transformer CT Analyzer PT Analyzer

GDVA-405 Current Transformer & Potential Transformer CT Analyzer PT Analyzer 1.1 ApplicationTests for current transformerTests for voltage transformerApplications for CTPT analyzerExcitation curve and parameters testTurns ratio testCT namepl

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GDVA-405 Current Transformer & Potential Transformer CT Analyzer PT Analyzer 

1.1 Application
Tests for current transformerTests for voltage transformerApplications for CTPT analyzer
Excitation curve and parameters testTurns ratio testCT nameplate check
Turns ratio testPhase angle error testCT parameters check in work burden
Ratio and phase error testPolarity testCT transient parameters analysis
Polarity mark checkSecondary burden testCT ratio and phase error calibration
Coil resistance measurementCoil resistance testPT routine test
Secondary loop burden measurement  
Error line curve test for protection CT  
Transient CT parameters test  
CT nameplate guess  
Saturation hysteresis loop curve measurement  

1.2 CT/PT Analyzer Function and 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:
   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: -10ºC~50ºC; moist: ≤90%

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