摘要
阐述变压器差动保护的特点,分析造成变压器差动保护误动的原因,提出保护误动的措施,包括严格检查电流互感器、保护电缆、保护整定值、进行预防性试验、采用差动保护.
Abstract
This paper describes the characteristics of transformer differential protection,analyzes the causes of transformer differential protection misoperation,and proposes measures for protection misoperation,including strict inspection of current transformers,protection cables,protection setting values,preventive tests,and the use of differential protection.