A Differential Pilot Protection Scheme for MMC-Based DC Grid Resilient to Communication Failure
IEEE Journal of Emerging and Selected Topics in Power Electronics(2021)
摘要
Primary single-end line protection strategies of modular multilevel converter (MMC)-HVdc systems are difficult to make a tradeoff between fast detection speed and high reliability. To improve reliability, the pilot protection schemes based on communication and data exchange can be adopted. However, the communication-based schemes suffer from potential communication failure problems, such as data e...
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关键词
Circuit faults,Synchronization,Optical fiber cables,Delays,Voltage measurement,Transmission line measurements,Power electronics
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