GDVA-404 Current Transformer Tester
Testsforcurrenttransformer:
1)Excitationcurveandparameterstest
2)Turnsratiotest
3)Ratioandphaseerrortest
4)Polaritymarkcheck
5)Coilresistancemeasurement
6)Secondaryloopburdenmeasurement
7)ErrorlinecurvetestforprotectionCT
8)TransientCTparameterstest
9)CTnameplateguess
Testsforvoltagetransformer:
1)Excitationcurvetest
2)Turnsratiotest
3)Polaritytest
4)Secondaryburdentest
5)Coilresistancetest
Applicationsof GDVA-404Current Transformer Tester :
1)CTnameplatecheck
2)CTparameterscheckinworkburden
3)CTtransientparametersanalysis
4)CTratioandphaseerrorcalibration
5)PTroutinetest
1.2CTPTanalyzertechnicalindex
1Teststandards:IEC60044-1,IEC60044-6,GB1208,GB16847,C57.13
2Powersupply:AC220V±10%,50Hz/60Hz±10%
3Poweroutput:0.1~125V(AC)
4Currentoutput:0.001~5A(RMS)
5Poweroutput:300VA
6Currentmeasurement:
Range:0~10A(automaticallychangerangein0.1/0.4/2/10A)
Error<±0.1%+0.01%FS
7Voltagemeasurement:
Range:0~200V(automaticallychangerangein1V/10V/70V/200V)
Error<±0.1%+0.01%FS
8Turnsratiomeasurement:
Range:1~10000,
1~1000error<0.05%
1000~2000error<0.1%
2000~10000error<0.2%
9Phasemeasurement:error:±2min,resolution:0.01min
10Coilresistancemeasurement:
Range:0~8kΩ(automaticallychangerangein2ohm/20ohm/80ohm/800ohm/8kohm)
Error<0.1%+0.01%FS
Maximumresolution:0.1mΩ
11Temperaturemeasurement:-50~100Celsiusdegree,error<3Celsiusdegree
12CTSecondaryburden:
Range0~160ohm(automaticallychangerangein2ohm/20ohm/80ohm/160ohm)
Error<0.1%+0.01ohm
Maximumresolution0.001ohm
13PTSecondaryburden:
Range0~80kohm(automaticallychangerangein800ohm/8kohm/80kohm)
Error<0.2%+0.02%FS
Maximumresolution:0.1ohm
14Saveddatagroups:>1000groups
15Workcondition:Temperature:-10°C~50°C,moist:≤90%
16Size:485mm×356mm×183mm
17Weight:<13Kg
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