A fault current limiter as an ideal tool to solve the problem of excessive short-circuit current, and its development is also very important.Paper describes the causes of short-circuit fault on the power system and its impact,based on the short-circuit current is too large to control,collate and analyze the basic principles of different types of fault current limiter,summed up the advantages and disadvantages of different fault current limiter,analysis the current research achievements at home and abroad fault current limiters.Thesis fault current limiter basic principles and the different points of AC and DC systems are compared,and fault current limiters are not widely used in DC analysis of the causes,noting that the fault current limiter future direction and further problems to be solved.
fault current limitershort circuit currentsuperconductivitysolid state switch
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