Wuhan GDZX Power Equipment Co., Ltd
LONG-TERM PROJECT, QUALITY FIRST.
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Functions
| CT( Protection and measuring type) | PT |
| • exciting characteristic curve | • exciting characteristic curve |
| • Auto calculate Knee point | • Auto calculate Knee point |
| • 5%, 10% error curve, auto | • Turns ratio |
| • Turns ratio | • Polarity |
| • Ratio error | • Ratio error |
| • Phase error | • Phase error |
| • Polarity | • C withstand |
| • Primary injection | • Secondary load |
| • AC withstand | • Secondary winding |
| • Secondary load | • Degaussing |
| • Secondary winding | |
| • Degaussing |
| Work power supply | AC220V±10% ,50Hz | |
| Output | 0~2500Vrms, 5Arms(20A peak) Remark:0~5A(RMS), >5A~20A(Calculation) | |
| Current output | 0~1000A | |
| Excitation accuracy | ≤0.5%(0.2%*reading+0.3%*range) | |
| Secondary winding resistance test | Range | 0.1~300Ω |
| Accuracy | ≤0.5%(0.2%*rdg+0.3%*range) | |
| Secondary load test | Range | 5~1000VA |
| Accuracy | ≤0.5%(0.2%*rdg+0.3%*range)±0.1VA | |
| Phase error | Accuracy | ±4min |
| Resolution | 0.1min | |
| Ratio error | Accuracy | 0.05% |
| CT Ratio test | Range | ≤25000A/5A(5000A/1A) |
| Accuracy | ≤0.5% | |
| PT ratio test | Range | ≤500KV |
| Accuracy | ≤0.5% | |
| Work environment | -10℃ ~ 40℃, ≤90%RH,≤1000m | |
| Tester dimension and G.W. | 410mm × 260mm × 340mm, 30Kg | |
