750kV变压器Π型接地环流分析与抑制研究
李山,李伟,吴标,张媛,周利兵,公多虎

Study of Analysis and Suppression on Grounding Circulation Current of 750 kV Transformer Π Grounding
Shan Li,Wei Li,Biao Wu,Yuan Zhang,Libing Zhou,Duohu Gong
图4 二元函数曲面图
Fig.4 Cured surface figure of two dimensional function