企业技术开发(学术版)
企業技術開髮(學術版)
기업기술개발(학술판)
TECHNOLOGICAL DEVELOPMENT OF ENTERPRISE
2009年
7期
71-72
,共2页
差动保护%误动作%带负荷测试
差動保護%誤動作%帶負荷測試
차동보호%오동작%대부하측시
differential protection%real-operation%load test
通过对湘东某水电站一起变压器差动保护误动作原因的分析,提出了对变压器差动保护进行带负荷测试的必要性,并着重介绍了带负荷测试数据的获取方法、带负荷测试数据的分析,并以此来发现差动保护中存在的各种问题.
通過對湘東某水電站一起變壓器差動保護誤動作原因的分析,提齣瞭對變壓器差動保護進行帶負荷測試的必要性,併著重介紹瞭帶負荷測試數據的穫取方法、帶負荷測試數據的分析,併以此來髮現差動保護中存在的各種問題.
통과대상동모수전참일기변압기차동보호오동작원인적분석,제출료대변압기차동보호진행대부하측시적필요성,병착중개소료대부하측시수거적획취방법、대부하측시수거적분석,병이차래발현차동보호중존재적각충문제.
This paper analyzed the reasons of real-operation accident of transformer differential protection, which hap-pened in a hydroelectric station on the eastern Hunan, then gave the necessity of load testing on the transformer differential protection, and focused on the methods to get and analyze the data of load testing, and find the problems that exist in the differential protection.