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• CT Turn Ratio Range: 5A/5A- 25000A/5A (5A/1A- 5000A/1A)
• Turn ratio error: ±0.2%
• Error Measurement Range: 5A/5A- 5000A/5A (5A/1A- 5000A/1A
• Accuracy of tested CT: 1.0, 0.5, 0.5S, 0.2 and 0.2S
• For the testing point of 1% or 5%, the error mainly depends on the deviation of signal collection by the tester, that is the deviation of dial indicator reading and deviation of 1turn center position.
• Accuracy: ±0.05%
Measurement Error
Rated Current: 5%; 20%; 100%; 120%; 200%
Ratio Error(±%):0.10; 0.05; 0.05; 0.05; 0.05
Angle Error(±′): 4; 4; 2; 2; 2
• VT Turn Ratio Range: ±0.2%
• Error Measurement Range:
Primary voltage: 3-35kV/√3
Secondary voltage: 100V, 100V/√3, 6kV/100V, 10kV/100V, 20kV/100V, 35kV/100V, 6kV/√3/100V/√3, 10kV/√3/100V/√3, 20kV/√3/100V/√3, 35kV/√3/100V/√3, 66kV/√3/100V/√3, 110kV/√3/100v/√3
Power factor: 0.0-1.0
• Accuracy: ±0.05%, see below table
Measurement Error
Rated Voltage: 80%; 100%; 120%
Ratio Error(±%):0.050; 0.050; 0.050
Angle Error(±′): 2; 2; 2
• DC resistance: 0.0-0.1Ω ±3%; 0.1-50Ω ±1%
• CT secondary burden: 1Ω-25Ω ±2%
• PT secondary burden: 1VA-500VA ±2%
• Calibration:
Voltage range: 0-100V (Dial indicator error 0.5%)
Ratio error: 0.001%-3% (100V)
Angle error: 0.00’-50’ (100V)
Error: DX= ±(2%×X+2%×Y±2digit), DY= ±(2%×X+2%×Y±2digit)
Admittance: 0.1ms-99.9ms
• Power supply: AC 220V±10%, 50Hz±2%
• Environment temperature: 0-40℃
• Consumption: 30W(static), 150W(working)
• Humidity: <85% at 25℃
