直流微網用新型低壓直流斷路器設計及應用
查燚1，張延遲1，楊宏坤2，董賀賀1，顧永超1
（1 上海電機學院 電氣學院，上海 201306；2 上海電氣風電設備有限公司，上海 200241）
摘 要：提出了一種家用智能直流微網的架設結構，介紹了其主要特點?？紤]到現(xiàn)實輸電線路與負載都包含了少許感性成分，結合參考電壓等級設計了一種用于低壓配電網的小負荷直流斷路器，并通過仿真驗證其工作原理。仿真結果表明該斷路器可以實現(xiàn)零電流機械開關的常規(guī)拉斷，還可用作功率路由器的基本模塊，為實現(xiàn)能量路由起到了重要作用。
關鍵詞：直流微網；直流微網電壓；智能直流斷路器；能量路由
中圖分類號：TM561 文獻標識碼：A 文章編號：1007-3175(2016)07-0009-04
Design and Application of New Type of Low-Voltage Direct Current
Circuit Breaker in Direct Current Microgrid
ZHA Yi1 , ZHANG Yan-chi1, YANG Hong-kun2, DONG He-he1, GU Yong-chao1
（1 School of Electrical Engineering, Shanghai Dianji University, Shanghai 201306, China;
2 Shanghai Electric Wind Power Equipment Co., Ltd, Shanghai 200241, China）
Abstract: This paper put forward the erection structure of a kind of intelligent household direct current (DC) microgrid and introduced its main characteristics. In consideration of the actual transmission line and load containing a few inductive components, combining with the reference voltage level, this paper designed a small load DC circuit breaker for low-voltage distribution network and its working principle was verified by simulation. Simulation results show that the circuit breaker could achieve zero current of a mechanical switching conventional snap and be used as a basic module of power routers, which plays an important role in the realization of energy routing.
Key words: direct current microgrid; direct current microgrid voltage; intelligent direct current circuit breaker; energy routing
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