A Reclosing Scheme of Hybrid DC Circuit Breaker for MMC-HVdc Systems
IEEE Journal of Emerging and Selected Topics in Power Electronics（2021）
摘要
With the increasing demand for large capacity power transmission over long distance, the use of overhead lines is required, which greatly increases the probability of temporary faults. After the faulty line is isolated by hybrid dc circuit breakers (HCBs), the power supply can be restored immediately by reclosing them in the event of temporary fault. However, fragile semiconductor switches will un...
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关键词
Circuit faults,Fault diagnosis,HVDC transmission,Fault currents,Arresters,Circuit breakers,Power system reliability
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