China 0.2 High Quality Portable CT PT Analyzer, Find details about China 0.2 CT PT Analyzer, Portable CT PT Analyzer from 0.2 High Quality Portable CT PT Analyzer
I. Current Transformer (CT) | II. Voltage Transformer (PT) |
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1. Magnetization curve | 1. Excitation characteristic test |
2. Transformation ratio test | 2. Transformation ratio test |
3. Polarity | 3. Polarity |
4. 5% and 10% error curve | 4. Withstand test of power frequency alternating current |
5. Current Injecting | 5. Degauss |
6. Degauss | 6. Calculation of knee point value |
7. Withstand test of power frequency alternating current | 7. Actual secondary load test |
8. Automatic calculation of excitation knee point value | 8. Resistance test |
9. Actual secondary load test | |
10. Resistance test |
Electrical parameters | ||
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Accuracy | 0.2%, 0.5% | |
Power supply | AC 220V±10% or AC 110V±10%, 50/60Hz | |
Excitation voltage output | 0-2500Vrms, | |
Excitation current output | 0-5Arms (20A peak-value) | |
Large current output | 0-1000A | |
Electrical parameters - continued | ||
Accuracy | ≤0.5% (0.2%RD+0.3%RG) | |
Secondary winding DC resistance measurement | Range | 0.1-300Ω |
Accuracy | ≤0.5% (0.2%RD+0.3%RG) | |
Secondary actual load measurement | Range | 5VA-1000VA |
Accuracy | ≤0.5% (0.2%RD+0.3%RG)±0.1VA | |
CT/PT phase error measurement | Accuracy | ±4min |
Resolution | 0.01min | |
CT ratio error measurement | Range | ≤25000A/5A(5000A/1A) |
Accuracy | ≤0.5% | |
PT ratio error measurement | Range | 1-500KV |
Accuracy | ≤0.5% | |
Standards | ||
Reference standards | GB1207-2006, GB1208-2006, GB16847-1997 IEC60044-1, IEC60044-6, IEC61869-2-2012 | |
Safety standards | GB 4793.1-2007 | |
EMC | EMC standard 89/336/EEC | |
FCC Subpart B of Part 15 Class A | ||
IEC 1000-4-2 /3 /4 /6 | ||
Mechanical parameters | ||
Overall dimension (L x W x H) (mm) | 400 x 250 x 250 | |
Weight (kg) | ≤22 | |
Environmental conditions | ||
Relative humidity | 90RH% | |
Operating temperature | -10°C to +40°C | |
Altitude | ≤1000m |