直流微網(wǎng)用新型低壓直流斷路器設(shè)計及應(yīng)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(xué)院 電氣學(xué)院，上海 201306；2 上海電氣風(fēng)電設(shè)備有限公司，上海 200241）
摘 要：提出了一種家用智能直流微網(wǎng)的架設(shè)結(jié)構(gòu)，介紹了其主要特點。考慮到現(xiàn)實輸電線路與負(fù)載都包含了少許感性成分，結(jié)合參考電壓等級設(shè)計了一種用于低壓配電網(wǎng)的小負(fù)荷直流斷路器，并通過仿真驗證其工作原理。仿真結(jié)果表明該斷路器可以實現(xiàn)零電流機械開關(guān)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(guān)鍵詞：直流微網(wǎng)；直流微網(wǎng)電壓；智能直流斷路器；能量路由
中圖分類號：TM561 文獻(xiàn)標(biāo)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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