Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV-Determination of the power rating of a transformer loaded with non-sinusoidal currents
三相油浸式配电变压器50 Hz 50 kVA至2500 kVA 设备最高电压不超过36 kV 负载非正弦电流的变压器额定功率的确定