对电力变压器低压大电流单螺旋绕组的环流损耗进行了计算及分析,开发了计算软件,计算了一台31500kVA变压器的低压绕组中各并联支路电流,进而计算了环流损耗。
The circulation loss of low voltage and large current winding for power trans- former are calculated and analysed. The calculation software is developed. The parallel branch current of low-voltage winding of 31 500kVA transformer is calculated and the circulation loss is calculated.