CPT-III Current Transformer and Voltage Potential Transformer Testing Equipment
CPT-III Current Transformer and Voltage Potential Transformer Testing Equipment
Introduction:
CPT-III Current Transformer and Voltage Potential Transformer Testing Equipment is used to measure all kinds of current transformer and voltage transformer.
CPT-III Current Transformer and Voltage Potential Transformer Testing Equipment can calculate the ratio errors and phase angle errors of current transformer and voltage transformer at rated burden and working burden in one test.
CPT-III Current Transformer and Voltage Potential Transformer Testing Equipmentcan automatically evaluate the test results according to the selected standard to determine whether the transformer is qualified.
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 for CTPT analyzer:
- CT nameplate check
- CT parameters check in work burden
- CT transient parameters analysis
- CT ratio and phase error calibration
-
PT routine test
Parameters:
| 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:-10℃-50℃, moist:≤90% |
| 20 | Size | 485mm×356mm×183mm |
| 21 | Weight | <15Kg |
CPT-III Current Transformer and Voltage Potential Transformer Testing Equipment Real Picture:
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