Current Transformer testing Equipments

Current Transformer testing Equipments

Introduction:

• Tests for current transformer.
• Excitation curve and parameters test
• Turns ratio test
• Ratio and phase error test
• Polarity mark check
• Coil resistance measurement
• Secondary loop burden measurement
• Error line curve test for protection CT
• Transient CT parameters test
• CT nameplate guess
• Saturation hysteresis loop curve measurement

Application:

• CT nameplate check
• CT parameters check in work burden
• CT transient parameters analysis
• CT ratio and phase error calibration

Technique Index:

1 Test standards: IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13
2 Power supply: AC220V±10%,50Hz/60Hz±10%
3 Power output: 0.1~125V (AC)
4 Current output: 0.001~5A(RMS)
5 Power output:300VA
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:0~200 V (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 Coil resistance measurement:
Range:0~80Ω (automatically change range in 2ohm/20ohm/80ohm)
Error< 0.2%+0.02%FS
Maximum resolution:0.1mΩ
12 Temperature measurement:-50~100 Celsius degree, error<3 Celsius degree
13 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 Saved data groups:>1000groups
15 Work condition: Temperature:-10℃~50℃, moist:≤90%
16 Size: 485mm×356mm×183mm
17 Weight: <15Kg