多能互補的微電網(wǎng)經(jīng)濟運行優(yōu)化
施愛文
(連云港三新供電服務(wù)有限公司灌南分公司,江蘇 灌南 223500)
摘 要:為降低微電網(wǎng)發(fā)電成本,考慮實際運行的約束條件,以調(diào)度周期內(nèi)發(fā)電總成本最小為目標(biāo)建立模型。為防止天牛須搜索算法( 簡稱天牛算法) 陷于局部最優(yōu),將Metropolis準則加入標(biāo)準天牛算法中增加變異的概率,并將改進天牛算法與標(biāo)準天牛算法分別求解微電網(wǎng)日前調(diào)度模型,仿真結(jié)果表明,利用改進算法求出的調(diào)度方案能夠合理安排機組的出力,降低并網(wǎng)模式下微電網(wǎng)運行的總發(fā)電成本。
關(guān)鍵詞:微電網(wǎng);經(jīng)濟調(diào)度;天牛須搜索算法;Metropolis準則
中圖分類號:TM714 文獻標(biāo)識碼:A 文章編號:1007-3175(2020)11-0028-03
Economic Operation Optimization of Microgrid with Multiple Complementary Functions
SHI Ai-wen
(Guannan Branch of Lianyungang Sanxin Power Supply Service Co., Ltd, Guannan 223500, China)
Abstract: In order to reduce the generation cost of micro-grid, considering the constraints of actual operation, the model is established with the goal of minimizing the total power generation cost in the dispatch period. In order to prevent the beetle antennae search algorithm from falling into the local optimum, the Metropolis criterion was added to the standard beetle antennae search algorithm to increase the probability of mutation, and the improved beetle antennae search algorithm and the standard beetle antennae search algorithm were separately solved for the day-ahead scheduling model of the micro-grid. The simulation results show that the dispatch plan obtained by the improved algorithm can reasonably arrange the output of the units and reduce the total power generation cost of the micro-grid operation in the gridconnected mode.
Key words: micro-grid; economic dispatch; beetle antennae search algorithm; Metropolis criterion
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