Introduction:
Tests for current transformer:
V Excitation curve and parameters test
V Turns ratio test
V Ratio and phase error test
V Polarity mark check
V Coil resistance measurement
V Secondary loop burden measurement
V Error line curve test for protection CT
V Transient CT parameters test
V CT nameplate guess
V Saturation hysteresis loop curve measurement
Tests for voltage transformer:
V Turns ratio test
V Polarity test
V Secondary burden test
V Coil resistance test
Applications for CT PT Tester:
V CT nameplate check
V CT parameters check in work burden
V CT transient parameters analysis
V CT ratio and phase error calibration
V PT routine test
Specifications:
V Test standards: IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13
V Power supply: AC220V± 10%, 50Hz/60Hz± 10%
V Power output: 0.1~125V (AC)
V Current output: 0.001~5A(RMS)
V Power output: 300VA
V Maximum knee voltage measurement: 45kv
V Current measurement:
Range: 0~10A (automatically change range in 0.1/0.4/2/10A)
Error <± 0.1%+0.01%FS
V Voltage measurement:
Range: 0~200 V (automatically change range in 1V/10V/70V/200V)
Error < ± 0.1%+0.01%FS
V Turns ratio measurement:
Range: 1~30000,
1~2000 error<0.05%
2000~5000 error>0.1%
5000~30000 error<0.2%
V Phase measurement: Error: ± 2min, resolution: 0.01min
V Coil 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
V Temperature measurement: -50~100 Celsius degree, error<3 Celsius degree
V 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
V PT Secondary burden:
Range 0~80kohm (automatically change range in 800ohm/8kohm/80kohm)
Error <0.2%RDG+0.02%FS
Maximum resolution: 0.1ohm
V PT ratio measurement:
Range: 1~30000,
1~5000 error<0.2%
5000~30000 error<0.5%
V Saved data groups: >1000groups
V Work condition: Temperature: -10° C~50° C, moist: ≤ 90%
V Size: 485mm× 356mm× 183mm
V Weight: <15Kg