直流电压下局部放电
Partial discharge under DC voltage
直流电压梯度
Direct-current voltage gradient
DC voltage gradient
直流电压平衡控制
voltage balance control
DC voltage balance control
直流电压偏差补偿
Dc voltage offset compensation
直流电压利用率
utilization of DC voltage
DC voltage usage
efficiency of DC voltage
DC voltage utilization
utilization ratio of DC link voltage