中国电力2012，Vol.45Issue(5)：16-19,4.
单故障和复故障下变压器差动保护计算分析
A new analysis method for transformer differential current protection under single and multiple faults
摘要
Abstract
A new method of transformer differential current protection, in which zero sequence current is subtracted from phase current by using full current model, is presented. The differential currents for superposition and compensation theories are calculated under both single and multiple fault scenarios. A method to analyze and compare sensitivity of the protection in different zones is proposed. Test results show the proposed calculation method is more sample and quick for single and multiple faults in different zones.关键词
变压器/差动保护/灵敏度/复故障Key words
power transformer/longitudinal differential protection/sensitivity/multiple fault分类
信息技术与安全科学引用本文复制引用
曹树江,林榕,魏颖莉..单故障和复故障下变压器差动保护计算分析[J].中国电力,2012,45(5):16-19,4.
