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- CT ( protection type, measurement type)
Voltage current characteristic curve (excitation characteristic)
Auto calculate knee point value
Auto display 5% and 10% error curve
Turns ratio measurement
Ratio error measurement
Phase measurement ( angular difference )
Polarity determination
Primary current injection test
AC withstand test
Secondary winding resistance measurement
Secondary burden measurement
Demagnetization of iron core
- PT
Voltage current characteristic curve (excitation characteristic)
Auto calculate knee point value
Turns ratio measurement
Polarity determination
Ratio error measurement
Phase measurement (angular difference)
AC withstand test
Secondary winding resistance measurement
Secondary burden measurement
Demagnetizatio n of iron core
Power supply: AC220V±10%, 50Hz
Output: 0 - 250 0 Vrms, 5Arms （ 20 A peak ）
Output current: 0-1000A
Accuracy of excitation: ≤0.5% (0.2%*the reading+0.3%*range)
Secondary winding resistance measurement:
Range: 0 ～ 30 0Ω
Accuracy: ≤0.5% (0.2%*the reading+0.3%*range)
Secondary actual burden measurement
Range: 0-10 00VA
Accuracy: ≤0.5% (0.2%*the reading+0.3%*range) ± 0.1VA
Accuracy of angular error: 4 min
Accuracy of ratio error: 0.05%
CT ratio measurement
Range: 25000A/5A ( 5000A/1A ) ≥ 5A/5A
Accuracy: ≤0.5%
PT ratio measurement Range: ≤ 500KV
Accuracy: ≤0.5%
Operation environment: Temperature: － 10℃ - 40℃, H umidity: ≤90%, Altitude: ≤1000m
Dimension&Weight: Dimension: 4 4 0mm × 34 0mm × 3 8 0mm Weight: ≤ 35 Kg
