GDVA-404 CT PT Analyzer
Introduction:
Tests for Current Transformer: | Tests for Potencial 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 | 1 Turns ratio test 2 Ratio error and phase angle error test 3 Polarity test 4 Secondary burden test 5 Winding resistance test |
Applications of CT/ PT Analyzer:
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
Specifications:
Test standards | IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13 |
Power supply | AC220V±10%,50Hz/60Hz±10% |
Power output | 0.1~125V (AC) |
Current output | 0.001~5A(RMS) |
Power output | 300VA |
Max. knee voltage measurement | 45kv |
Current measurement range | 0~10A (automatically change range in 0.1/0.4/2/10A) |
Current measurement error | <±0.1%+0.01%FS |
Voltage measurement range | 0~200 V (automatically change range in 1V/10V/70V/200V) |
Voltage measurement error | < ±0.1%+0.01%FS |
Turns ratio measurement range
| 1~30000; 1~2000 error<0.05%; 2000~5000 error>0.1%; 5000~35000 error<0.2% |
Phase measurement | Error: ±2min,resolution:0.01min |
Coil resistance measurement | Range 0~8kΩ(automatically change range in 2ohm /20ohm /80ohm/800ohm/8kohm)Error<0.2%RDG+0.02%FS Maximum resolution0.1mΩ |
Temperature measurement | -50~100 Celsius degree, error<3 Celsius degree |
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 |
PT Secondary burden | Range :0-80kohm (automatically change range in 800ohm / 8kohm /80kohm) Error:<0.2%RDG+0.02%FS Maximum resolution: 0.1ohm |
PT ratio measurement | Range:1~30000,1~5000 error<0.2% ;5000~30000 error<0.5% |
Saved data groups | >1000groups |
Work condition | Temperature:-10℃-50℃, moist:≤90% |
Size | 485mm×356mm×183mm |
Weight | <15Kg |
Test standards | IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13 |
Power supply | AC220V±10%,50Hz/60Hz±10% |
Power output | 0.1~125V (AC) |
Current output | 0.001~5A(RMS) |
Power output | 300VA |
Max. knee voltage measurement | 45kv |
Current measurement range | 0~10A (automatically change range in 0.1/0.4/2/10A) |
Current measurement error | <±0.1%+0.01%FS |
Voltage measurement range | 0~200 V (automatically change range in 1V/10V/70V/200V) |
Voltage measurement | error < ±0.1%+0.01%FS |
Turns ratio measurement | Range:1~30000;1~2000 error<0.05%;2000~5000 error>0.1%; 5000~35000 error<0.2% |
Phase measurement | error±2min,resolution:0.01min |
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 |
Temperature measurement | -50~100 Celsius degree, error<3 Celsius degree |
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 |
PT Secondary burden | Error <0.2%RDG+0.02%FS ;Maximum resolution :0.1ohm |
PT ratio measurement
| Range: 1~30000,1~5000 error<0.2%;5000~30000 error<0.5% |
Saved data groups | >1000groups |
Work condition | Temperature-10℃-50℃, moist:≤90% |
Size | 485mm×356mm×183mm |
Weight | <15Kg |
