The safety of power grid operation is directly related to social and economic development as well as people's livelihood.In the power grid system,relay protection is an important safety protection measure,and ensur-ing the correctness of relay protection actions is of great significance to improve the operation level of the power grid.However,in actual operation,various uncertain factors such as equipment aging,environmental changes,etc.may cause rejection and misoperation of relay protection,posing a threat to the safety of power grid operation.In order to improve the reliability of relay protection and reduce the impact of uncertain factors,this article analyzes the uncertain factors of power grid relay protection,analyzes the current situation and problems of relay protection,and further explores the online operation and inspection methods of power grid relay protection,aiming to compre-hensively improve the anti-interference and operational reliability of power grid relay protection.
关键词
电网/不确定因素/继电保护/在线运检
Key words
Power grid/Uncertain factors/Relay protection/Online operation inspection