Customization: | Available |
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Application: | Electromagnetic Instrument |
Power: | Electricity |
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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 |
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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 |