基于励磁电感的变压器铁心剩磁估算  

Estimation of Residual Magnetism in Transformer Cores based on Excitation Inductance

作　　者：张云舰 孔祥清 孙乾 侯展 马志舜 ZHANG Yunjian;KONG Xiangqing;SUN Qian;HOU Zhan;MA Zhishun(State Grid Shandong Electric Power Company Zibo Power Supply Company,Zibo 255000,China;China University of Petroleum(East China),Qingdao 266580,China)

机构地区：[1]国网山东省电力公司淄博供电公司,山东淄博255000 [2]中国石油大学(华东),山东青岛266580

出　　处：《变压器》2024年第6期6-11,共6页Transformer

摘　　要：本文中作者分析了变压器铁心剩磁对励磁电感参数的影响,得到剩磁与励磁电感参数的关系特征,提出了一种应用正负双向脉冲激励源进行励磁电感辨识进而得到变压器铁心剩磁的估算方法,并通过试验验证了该方法的有效性。In this paper,the authors analyze the effect of residual magnetism of transformer core on the excitation inductance parameters,put forward a method of applying the positive and negative bi-directional impulsive excitation source for the excitation inductance identification to obtain the estimation method of residual magnetism of the transformer core,and verify the effectiveness of the method through experiments.

关 键 词：变压器 剩磁 励磁电感 

分 类 号：TM401.1[电气工程—电器]