The metering error considers the nonlinear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
2
A case study shows that the are suppression coil with non-linear V-I characteristics will seriously affect the grounding residual current during high resistive grounding fault.