地磁感应电流对电力变压器危害的研究  

THE STUDY OF HARMFUL EFFECTS OF GEOMAGNETICALLY INDUCED CURRENT ON POWER TRANSFORMERS

作　　者：薛向党[1] 郭晖[1] 郑云祥[1] 吉崇庆[1] 尤一鸣[2] 

机构地区：[1]天津大学 [2]天津纺织工学院

出　　处：《电力系统及其自动化学报》1999年第2期13-19,43,共8页Proceedings of the CSU-EPSA

基　　金：国家自然科学基金

摘　　要：本文采用时域和频域法，以一台三相心式变压器为例，进行了计算机仿真计算。作者分析了地磁感应电流（ＧＩＣ）对电力变压器磁化电流的影响，以及对无功功率、功率因数和效率的影响。最后通过实验进行了验证。In this paper the method of time domain and frequency domain is adopted.The authors simulated a transformer with three legs.The harmful effects due to Geomagnetically Induced Current(GIC) on magnetizing current,reactive power,power factor and efficiency in transformer were analyzed.At last the results were verified through the experiments.

关 键 词：地磁感应电流 三相心式变压器 危害 电力变压器 

分 类 号：TM411.2[电气工程—电器]