自治直流微電網分布式經濟下垂控制策略
[Abstract]:The economic drooping control strategy effectively solves the problems of high operation cost and low efficiency of the traditional drooping control strategy because it takes into account the power generation cost, operation efficiency and pollution control cost of the parallel unit. In view of the shortcomings of the existing economic droop control strategies, a distributed economic drooping control strategy is proposed in this paper. In this strategy, the distributed consistency algorithm is used to iteratively find the optimal economic operation point of the power generation unit, and the coefficient of droop control is changed at the same time, so that the total operating cost of the convergent microgrid is the lowest. The distributed strategy proposed in this paper has the advantages of both centralized control and autonomous control. Because there is no central controller, the robustness and flexibility of the control are increased. The DC microgrid model with different operating cost units is built by Matlab/Simulink, and the proposed strategy is developed on JADE platform. The effectiveness of the control strategy is verified by joint simulation. The influence of delay is analyzed in detail, and the corresponding solutions are put forward, and the input and retreat protocol of the node is designed, and the plug and play characteristics of the proposed strategy are verified by simulation.
【作者單位】: 東南大學電氣工程學院;
【基金】:國家自然科學基金項目(51177015) 江蘇省科技計劃項目(BE2015012-1) 新世紀優(yōu)秀人才支持計劃資助(NCET-13-0129)~~
【分類號】:TM921.5
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