智能变电站的继电保护系统可靠性分析

Analysis of Reliability of Relay Protection System in Intelligent Substation

阐述智能变电站继电保护系统的状况,存在的问题,提出优化措施,包括变压器保护、过程层的继电保护、优化系统结构、电压的限定延时、增强间隔层继电保护的可靠性。

This paper expounds the status and existing problems of relay protection system in intelligent substation, and puts forward optimization measures, including transformer protection, relay protection at process level, optimization of system structure, limited delay of voltage, and enhancement of reliability of relay protection at bay level.