| After-sales Service: | Lifetime Technical Support, Online Service |
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| Warranty: | 1year for 0.02%Accuracy Transformer CT PT Test Set |
| Type: | 0.02% Accuracy Transformer CT PT Test Set |
| Accuracy Grade: | 0.02% |
| Load Way: | Electronic Load |
| Loading Method: | Dynamic Load |
| Samples: |
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| Customization: |
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Range of Measurements
| Test items for Current Transformer(CT) | Test items for Potential Transformer(PT) |
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Turn ratio detection Ratio and angle error check Polarity test Excitation characteristic test Secondary winding resistance measurement and secondary burden measurement 5% and 10% error curve measurement Transient characteristics analysis Automatic nameplate inference Knee point voltage/current Accuracy Limit Factor (ALF) Instrument security factor (FS) Secondary time constant (Ts) Remanence coefficient (Kr) Accuracy Saturation and desaturation inductance Knee point electromotive force Limit electromotive force Area factor Iron core analysis and core hysteresis loop measurement |
Turn ratio measurement Ratio and angle error check Polarity test Excitation characteristic test Primary winding resistance test Secondary winding resistance test Se |
Specifications
| Item Name | GDVA-405 Automatic Evaluation CT Parameters 0.02% High Accuracy Automatic CT PT Analyzer for Current Transformer Testing | |
| Test standards | IEC60044-1/2/5/6, IEC61869,C57.13 | |
| Power supply | AC220V±10%, 50/60Hz±10%(Support customize) | |
| Voltage output | 0.1-180V (AC) | |
| Current output | 0.001-5A(RMS) | |
| Power output | 500VA | |
| Max. knee voltage measurement | 60KV | |
| Current measurement |
Range | 0-10A (automatically change range in 0.1/0.4/2/10A) |
| Error | <±0.1%+0.01%FS | |
| Voltage measurement |
Range | 0-200V (automatically change range in 1V/10V/70V/200V) | |
| Error | < ±0.1%+0.01%FS | ||
| Turns ratio measurement Range |
1~35000 1~2000, error<0.05% 2000~5000,error<0.1% 5000~35000,error<0.2% |
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| Phase measurement | error | ±2min | |
| resolution | 0.01min | ||
| Winding resistance measurement |
Range | 0-8kΩ (automatically change range in2ohm/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 |
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 |
1-35000, 1-10000 error<0.1%, 10000-35000 error<0.2% |
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| PT ratio error measurement :Typical error<0.05%, Maximum Error<0.1% | |||
| PT phase angle measurement maximum error < 3min | |||
| Make evaluation for test results according to selected standards Make word report for test result Make word reports one time for multi-group test records on the PC Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test Compare excitation curves with saved excitation curves in the same window |
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| Memory capacity | >1000 groups test results | ||
| Working condition temperature | -10ºC-50ºC; moist ≤90% | ||
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