电力继电保护装置问题与预防研究  

Research on Problems and Prevention of Electric Relay Protection Devices

作　　者：史宇 王馨瑶 SHI Yu;WANG Xinyao(State grid Shaanxi Electric Power Co.,Ltd.,Baoji Power Supply Company,Baoji,Shaanxi Province,721000 China)

机构地区：[1]国网陕西省电力有限公司宝鸡供电公司,陕西宝鸡721000

出　　处：《大众科学》2024年第24期21-23,共3页China Public Science

摘　　要：深入研究了35 kV小电阻接地系统中电力继电保护装置面临的常见问题,如电流互感器引发的保护越级动作和出口压板导致的误动作等。通过详细分析这些问题产生的原因,提出了一系列针对性的预防措施与解决方案。这些措施旨在优化继电保护装置的性能,减少误动跳闸现象,从而显著提升电力系统的供电稳定性和可靠性。研究不仅为解决实际问题提供了有效路径,也为电力继电保护装置故障预防领域的研究者和实践者提供了有益的参考和借鉴。This paper deeply studies the common problems faced by the power relay protection device in 35 kV small resistance grounding system,such as the overstep action caused by the current transformer and the misaction caused by the outlet pressure plate.Through the detailed analysis of the causes of these problems,this paper puts forward a series of targeted preventive measures and solutions.These measures are designed to optimize the performance of the relay protection device and reduce the phenomenon of false tripping,thereby significantly improving the supply stability and reliability of the power system.The research in this paper not only provides an effective way to solve practical problems,but also provides a useful reference for researchers and practitioners in the field of electric relay protection device fault prevention.

关 键 词：电力系统 继电保护 装置 变电站 

分 类 号：TM774[电气工程—电力系统及自动化]