Protection for distributed generations in the DC micro-grid
ISGT Europe（2011）
摘要
In this paper, an analysis results for the protection of a DC micro-grid is described. The 400V DC micro-grid consists of a wind power system (Permanent Magnet Synchronous Generator, PMSG), a photo-voltaic system, a fuel cell system and energy storages. Abnormal operating conditions during various faults are studied. According to a series of studies, a protection scheme for a DC micro-grid is suggested. An algorithm which can be used for discriminating the stable abnormal operating condition from the faults which should be cleared is also presented. All case studies are simulated with PSCAD /EMTDC.
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关键词
dc microgrid protection,photovoltaic power systems,power generation protection,synchronous generators,voltage 400 v,power distribution faults,abnormal operating condition,power distribution protection,photovoltaic system,permanent magnet synchronous generator,power generation faults,fuel cell system,wind power system,permanent magnet generators,dc micro-grid,distributed generation protection,distributed power generation,power grids,distributed generation,energy storage,protection,fuel cell power plants,pscad-emtdc,wind power plants,capacitors,wind power,simulation,operant conditioning
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