低压配电系统选择性保护技术的研究及应用

Research and Application of Selective Protection Technology for Low Voltage Distribution System

在低压配电系统中断路器的选择性保护是关键。综合分析比较断路器的几种选择性保护技术优缺点,阐述了低压配电系统对选择性保护的要求,引入选择性保护技术分析并解决某交换机房低压配电系统的故障,提出了低压配电系统有效的预防及监控措施。低压配电系统选择性保护技术能够提高供电系统供电的连续性,优化并降低供电系统成本。

In the low-voltage distribution system,the selective protection of circuit breakers plays a key role for its safety operation.On the basis of a comprehensive analysis and comparison of the advantages and disadvantages of several selective protection technologies for circuit breakers,the requirements for selective protection of low-voltage power distribution systems and the resolution of the faults of low-voltage power distribution system within a switch room by introducing the selective protection technology,some effective preventive and monitoring measures were recommended to improve the continuity of power supply system,optimize and reduce the cost of power supply systems.