500kV混合式高压直流断路器控制保护及其动模试验  

Control Protection and Dynamic Model Tests for 500 kV Hybrid HVDC Circuit Breaker

作　　者：杨兵建 张迪 林志光 杨树森 高阳 吴文祥 YANG Bingjian;ZHANG Di;LIN Zhiguang;YANG Shusen;GAO Yang;WU Wenxiang(State Key Laboratory of Advanced Power Transmission Technology(Global Energy Interconnection Research Institute),Beijing 102209,China;Beijing Key Laboratory of DC Grid Technology&Simulation(Global Energy Interconnection Research Institute),Beijing 102209,China)

机构地区：[1]先进输电技术国家重点实验室(全球能源互联网研究院有限公司),北京102209 [2]直流电网技术与仿真北京市重点实验室(全球能源互联网研究院有限公司),北京102209

出　　处：《高电压技术》2020年第10期3440-3450,共11页High Voltage Engineering

基　　金：国家电网有限公司总部科技项目“±500 kV柔直工程电磁环境及特殊设备性能检测与评估技术研究”(520201180006)。

摘　　要：为了满足高压直流断路器的快速可靠控制和保护要求,针对架空线直流电网系统,提出了500 kV混合式高压直流断路器的控制保护系统架构、主要控制时序和保护逻辑。针对断路器暂态测试需求,提出了动态模拟试验方法,设计了动模试验系统架构,提出了直流系统和断路器设备的参数等效和暂态故障模拟方法。搭建了动模试验系统,通过动模试验验证了直流断路器控制保护系统的动作时序和暂态故障保护逻辑,直流断路器控制保护系统能够在3 ms内完成快速分闸,并能够快速响应直流系统和断路器内部故障。动模试验方法的应用有助于直流断路器控制保护可靠性的提高。In order to meet the requirements of fast and reliable control and protection of high-voltage direct current(HVDC)circuit breaker,a control and protection system architecture,main control sequence,and protection logic of 500 kV hybrid HVDC circuit breaker of HVDC grid for overhead line application are proposed in this paper.According to the requirements of transient test of circuit breaker,a dynamic simulation test method is proposed.Moreover,a dynamic simulation test system architecture is designed,and a parameter equivalence method and transient fault simulation method of DC system and circuit breaker equipment are proposed.A dynamic simulation test system is built to verify the action sequence and transient fault protection logic of DC circuit breaker control and protection system.The control and protection system of the DC circuit breaker completes the fast breaking operation within 3 ms and quickly responds to the faults of DC system and circuit breaker.The application of dynamic model test method is helpful to improve the reliability of control and protection of DC circuit breaker.

关 键 词：混合式直流断路器 控制时序 保护逻辑 暂态故障模拟 动模试验 架空线直流电网系统 

分 类 号：TM561[电气工程—电器]