current transformer CT with DC immunity: 1. 5(80)A/2mA class0.1~0.2 2.High precision 3. current transformer, CT for metering
DCT-5 current transformer Basic Parameter | Primary current (A) | Secondary current (mA) | Resistance Rb (Ω) | Maximum currant (A) | Class | Remark | ||||||||
5 | 2 | 10 | 80/100 | 0.1~0.2 |
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Current error and phase error limited | Class | Current error±(%) | Phase error( )
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5 %In | 20 %In | 5 %In | 20 %In | 100 %In | 120 %In | 200 %In | 400 %In | INmax %In | ||||||
0.2 | 0.2 | 0.1 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | |||||
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Note:between the current 0.2In~Imax,taking the average δe between the maximum and minimum phase error. δi=δi-δe.(δI: phase error,δI: phase displacement when the working current at i time,δe:average phase displacement) | ||||||||||||||
Half-sinusoid Test | Energy metering error is less than 3 percent | |||||||||||||
Working Atmosphere | Limiting ambient temperature-40°C~+70°C;Altitude ≤3000m | |||||||||||||
Main Electric performance | The withstand voltage between the primary and secondary windings is no less than 3kV and insulation resistance is no less than 1GΩ |
current transformer CT with DC immunity for energy meter 100A