China with Battery Portable Precision Current Transformer Testing CT PT Analyzer, Find details about China CT Analyzer, CT PT Analyzer from with Battery Portable Precision Current Transformer Testing 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. Ratio error, phase error |
5. Accuracy limiting factor (ALF) | 5. Degauss |
6. Degauss | 6. Calculation of knee point value |
7. Ratio error, phase error | 7. Actual secondary load test (burden test) |
8. Automatic calculation of excitation knee point value | 8. Resistance test |
9. Actual secondary load test (burden test) | |
10. Resistance test | |
11. Secondary time constant (Ts) | |
12. Remanence coefficient (Kr) | |
13. Transient dimensioning factor (Ktd) | |
14. Peak instantaneous error (Er) | |
15. Magnetizing inductance (LU) | |
16. Instruments security factor(FS) | |
17. Composite error |
Electrical parameters | ||
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Accuracy | 0.05% | |
Power supply | AC 220V±10% or AC 120V±10%, 50/60Hz or Battery | |
Output voltage | 0-100Vrms | |
Output current | 0-5Arms (20A peak-value) | |
Output power | 0-400 VA (1500 VApeak) | |
Automatic frequency variation range | 0.1-60Hz | |
Equivalent excitation voltage | ≤5000V | |
Accuracy | ≤0.5% | |
Secondary winding DC resistance measurement | Range | 0.1-1000Ω |
Accuracy | ≤0.05% | |
Secondary actual load measurement | Range | 5VA-1000VA |
Accuracy | ≤0.5%±0.1VA | |
CT/PT phase error measurement | Accuracy | ±1min (typical) / 3 min (guaranteed) |
Resolution | 0.1min | |
CT ratio error measurement | Range | 1-50000 |
Accuracy | ≤0.05% | |
PT ratio error measurement | Range | 1-10000 |
Accuracy | ≤0.05% | |
Standards | ||
Reference standards | GB1207-2006, GB1208-2006, GB16847-1997 IEC60044-1, IEC60044-6, IEC61869-2, ANSI/IEEE C57.13 | |
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) | 280 x 250 x 160 | |
Weight (kg) | ≤4 | |
Environmental conditions | ||
Relative humidity | Relative humidity 5%-95% not condensing | |
Operating temperature | -10°C to +50°C | |
Storage temperature | -20°C to +70°C | |
Altitude | ≤1000m |