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MATLAB-based Transformer Differential Protection Erroneous Connection of the Phase Sequence Research
Author(s): JI De-sen, PING Li, ZHAO Xue-hua
Pages: 237-
240
Year: 2011
Issue:
2
Journal: Jiangxi Science
Abstract: 某110 kV变电站2号主变差动保护二次相序误接,负荷电流增大时引起主变差动保护动作.运用MATLAB编程计算得到二次相序反接、正接和变压器内部故障时流入差动模块的电流向量图和变化关系图,结合继电保护及二次回路原理,进行技术分析论证,提出改进防范措施.
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