山西电力
山西電力
산서전력
Shanxi Electric Power
2015年
5期
18-22
,共5页
平衡电流%差动保护%接线组别
平衡電流%差動保護%接線組彆
평형전류%차동보호%접선조별
balanced current%differential protection%wiring category
介绍了变压器的工作原理及两侧电流的相位关系,着重分析了Y- >△接线方式和△- >Y接线方式下差动电流的计算,总结了△- >Y方式下2种电流平衡方法.
介紹瞭變壓器的工作原理及兩側電流的相位關繫,著重分析瞭Y- >△接線方式和△- >Y接線方式下差動電流的計算,總結瞭△- >Y方式下2種電流平衡方法.
개소료변압기적공작원리급량측전류적상위관계,착중분석료Y- >△접선방식화△- >Y접선방식하차동전류적계산,총결료△- >Y방식하2충전류평형방법.
The paper introduces the working principle of main transformer and the phase relationship of the branch current.The differential current of Y->△wiring category and △->Y wiring category are analyzed,and then the ways to reach current balance under △->Y wiring category are summerized.
