Abstract：Using the mechanical high voltage DC(HVDC) circuit breakers based on commutation technology is one way to control and protect 110 kV or more DC lines, its research and development to the development of DC power system is of great significance. In this paper, a mechanical 60 kV DC vacuum circuit breaker(VCB)module based on commutation technology is proposed, it is composed of main switch, commutation switch and commutation circuit. The main switch and commutation switch adopt double breaks in series that controlled independently by 4 electromagnetic repulsion actuators. According to each actuator parameters, the drive force between the repulsion coils is simulated by ANSOFT software, and the dynamic characteristics of all switches are measured under different drive circuits. At last, the most suitable drive circuits are ensured to meet the condition that the DC vacuum circuit breaker can open the 60 kV/16 kA fault current successful within 4ms, and it can be used as the basic module of 110 kV HVDC circuit breaker.
董文亮, 郭兴宇, 梁德世, 邹积岩. 基于电磁斥力机构的直流真空断路器模块[J]. 电工技术学报, 2018, 33(5): 1068-1075.
Dong Wenliang, GuoXingyu, Liang Deshi, Zou Jiyan. A DC Vacuum Circuit Breaker Based on Electromagnetic Repulsion Actuator. Transactions of China Electrotechnical Society, 2018, 33(5): 1068-1075.
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