Abstract

Abstract The emergence of micro-grid provides new approach to integrate and utilize large scale distributed generation, and suitable for supply electricity to these areas especially island and remote village. In this paper, on the basis of analyzing hybrid power system and control strategies, a kind of utility engineering micro-grid structure is proposed to realize rapid response and efficient operation. Based on the topology structure, for the goal of coordinate power allocation among variety renewable energy effectively, the dispatch control and energy management are analyzed and designed. The operation results of PV-diesel-battery hybrid power system verify the effectiveness of the micro-grid architecture, and the optimal operation of energy system and improved control method of micro-grid should be paid more attention.

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