250KV 8KA高压直流断路器研制及开断试验

K. Arimatsu, Y. Yoshioka, S. Tokuyama, Y. Kato, K. Hirata
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引用次数: 55

摘要

介绍了高压直流输电线路直流断路器的电路和元件选型、研制及等效电路试验结果。一种用于交流断路器的泵浦式SF6气体断流器,通过从预充到HVDC线路电压的整流电容器注入高频反电流来断流直流。同时,通过EMTP仿真验证了该断路器在双并联高压直流系统中的应用效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development and Interrupting Tests on 250KV 8KA HVDC Circuit Breaker
This paper describes the circuit and component selections, development and equivalent circuit test results on an HVDC circuit breaker for an HVDC transmission line. A puffer type SF6 gas interrupter for AC circuit breakers is utilized for interrupting DC current with injection of high-frequency inverse current from a commutating capacitor precharged to HVDC line voltage. Also, the effectiveness of application of the HVDC breaker to an HVDC system with two parallel transmission lines is demonstrated through the EMTP simulation.
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