断路器欠压保护的分析及优化

Analysis and Optimization of Under-voltage Protection of Circuit Breaker

简述配电系统中低压断路器欠压保护的基本原理和配置原则,分析欠压保护在实际应用中的常见问题并给出对策。通过对某电站交流配电系统中断路器欠压保护的分析,指出欠压保护设计上存在的问题,并给出优化方案以提高系统供电的可靠性。

The basic principle and configuration principle of undervoltage protection for low voltage circuit breaker in distribution system are briefly described,the common problems in practical application of undervoltage protection are analyzed,and the suggested solutions are given.Through the analysis of undervoltage protection of circuit breakers in an AC distribution system of a power station,the problems existing in the design of undervoltage protection are pointed out,and an optimization scheme is given to improve the reliability of power supply of the system.