基于自律分散系统的直流微电网稳定控制器优化设计

Haojie Wang, Minxiao Han, Josep M. Guerrero, Wenpeng Luan

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Abstrakt

DC Microgrid Stability Controller (SC) which is connected with storage plays an important role in DC microgrid. However, the converter losses will be increased when the load is light under the condition of island operation while multi SCs are parallel operating. In order to increase the efficiency when multi SCs parallel operating, the optimization scheme based on the autonomous decentralized system is proposed. Every SC can receive the other SCs information by logical operation iterative algorithm, thus binding local voltage detection the quantity and droop characteristic of operating SC can be real time regulated. Ensuring microgrid steady operation under the condition of grid connected and the condition of island, all the running SCs efficiency will approximate to maximum and the globe efficiency optimization can be realized. Based on optimizing, every SC can self adaptively regulate its droop characteristic, and the optimization effect will be more obvious as the load decreases.
Bidragets oversatte titelOptimization Design of DC Micro - grid Stability Controller Based on the Autonomous Decentralized System
OriginalsprogKinesisk
TidsskriftZhongguo Dianji Gongcheng Xuebao
ISSN0258-8013
StatusUdgivet - 2016

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