摘要
目前,选相合闸技术在无功补偿电容器组、特高压线路、滤波器场等场景应用广泛。本文综述了国内外断路器选相合闸技术的研究现状,介绍了断路器选相合闸技术的应用,深入归纳了介质强度下降率(rate of decrease of dielectric strength, RDDS)、温度、间歇时间等各种因素对断路器选相合闸精度的影响,总结了断路器选相合闸的关键技术和问题,分析了断路器合闸动作时间分散性的产生原因,对断路器选相合闸技术的研究提出一些建议。
Controlled closing technology is widely used in scenarios such as reactive power compensation capacitor banks,ultra-high voltage lines,and filters.This paper reviews the global and domestic research developments in controlled closing technology for circuit breakers,highlighting its current applications.It conducts an in-depth analysis of how factors such as rate of decrease of dielectric strength(RDDS),temperature,and intermittent periods affect the accuracy of controlled closing operations.The study summarizes key technologies and challenges in controlled closing and analyzes the causes of variability in the operating time of circuit breaker closing,offering recommendations for further research in controlled closing technology for circuit breakers.
作者
倪辉
窦俊廷
于家英
张一帆
杨群
董恩源
NI Hui;DOU Junting;YU Jiaying;ZHANG Yifan;YANG qun;DONG Enyuan(Electric Power Research Institute,Ningxia Electric Power Co.,Ltd.,Yinchuan Ningxia 750011,China;Extra High Voltage Company,State Grid Ningxia Electric Power Co.,Ltd.,Yinchuan Ningxia 750011,China;Dalian University of Technology,Dalian Liaoning 116024,China)
出处
《宁夏电力》
2024年第3期28-34,61,共8页
Ningxia Electric Power
基金
国网宁夏电力有限公司科技项目(5229DK23000A)。
关键词
断路器
选相合闸
预击穿
动作时间分散性
circuit breaker
controlled closing
pre-arcing
variability in the operating time
