GDVA-405 Advanced Automatic Current Transformer CT and Voltage Transformer PT Tester
1.1 Application
Tests for Current Transformer:
» Excitation curve and parameters test
» Turns ratio test
» Ratio and phase error test
» Polarity mark check
» Winding 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
Tests for Voltage Transformer:
» Turns ratio test
» Ratio error and phase angle error test
» Polarity test
» Secondary burden test
» Winding resistance test
Applications of CT/PT Analyzer:
» CT nameplate check
» CT parameters check in work burden
» CT transient parameters analysis
» CT ratio and phase error calibration
» PT routine test
Specifications:
1.1 Application
Tests for Current Transformer:
» Excitation curve and parameters test
» Turns ratio test
» Ratio and phase error test
» Polarity mark check
» Winding 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
Tests for Voltage Transformer:
» Turns ratio test
» Ratio error and phase angle error test
» Polarity test
» Secondary burden test
» Winding resistance test
Applications of CT/PT Analyzer:
» CT nameplate check
» CT parameters check in work burden
» CT transient parameters analysis
» CT ratio and phase error calibration
» PT routine test
Specifications:
| 1 | Test standards | IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13 |
| 2 | Power supply | AC220V±10%,50Hz/60Hz±10% |
| 3 | Power output | 0.1~180V (AC) |
| 4 | Current output | 0.001~5A(RMS) |
| 5 | Power output | 300VA |
| 6 | Max. knee voltage measurement | 45kv |
| 7 | Current measurement range | 0~10A (automatically change range in 0.1/0.4/2/10A) |
| 8 | Current measurement error | <±0.1%+0.01%FS |
| 9 | Voltage measurement range | 0~200 V (automatically change range in 1V/10V/70V/200V) |
| 10 | Voltage measurement error | < ±0.1%+0.01%FS |
| 11 | Turns ratio measurement range | 1~35000; 1~2000 error<0.05%; 2000~5000 error>0.1%; 5000~35000 error<0.2% |
| 12 | Phase measurement | error:±2min,resolution:0.01min |
| 13 | 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 |
| 14 | Temperature measurement | -50~100 Celsius degree, error<3 Celsius degree |
| 15 | 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 |
| 16 | PT Secondary burden | Range 0-80kohm (automatically change range in 800ohm / 8kohm /80kohm) Error <0.2%RDG+0.02%FS Maximum resolution: 0.1ohm |
| 17 | PT ratio measurement | Range: 1~35000, 1~5000 error<0.2% 5000~35000 error<0.5% |
| 18 | Saved data groups | >1000groups |
| 19 | Work condition | Temperature:-10ºC-50ºC, moist:≤90% |
| 20 | Size | 485mm×356mm×183mm |
| 21 | Weight | <15Kg |