高压直流断路器技术要点研究  

Study on the Technical Points of High-Voltage DC Circuit Breakers

作　　者：罗琛 Luo Chen(Xianyang Power Supply Company of State Grid Shaanxi Province,Xianyang Shaanxi 712000)

机构地区：[1]国网陕西省电力有限公司咸阳供电公司,陕西咸阳712000

出　　处：《现代工业经济和信息化》2022年第8期303-306,共4页Modern Industrial Economy and Informationization

摘　　要：介绍了高压直流断路器的原理,分别从拓扑方案优化、高比能ZnO以及隔离供能等方面梳理高压直流短路器关键技术。从工程应用角度分析,通过拓扑结构全面优化,能够将隔离变压器的绝缘问题与效率矛盾问题解决,可切实延长机械开关的操作寿命,保证系统运行稳定。The principle of high-voltage DC circuit breaker is introduced,and the key technologies of high-voltage DC short circuit breaker are sorted out in terms of topology scheme optimization,high specific energy ZnO and isolation supply,respectively.Analyzed from the perspective of engineering applications,the topology is comprehensively optimized to be able to solve the contradictory problems of insulation and efficiency of isolation transformers,which can effectively improve the operating life of mechanical switches and can ensure stable system operation.

关 键 词：直流断路器 技术要求 控制要点 

分 类 号：TM561[电气工程—电器]