CAJ | 학술논문

为了实现含可再生能源的并网微电网经济运行，提出了出力不确定集，并综合考虑“源储荷”协调调控，构建了广义能量优化鲁棒模型。模型采用多阶段求解策略，其中端点场景根据设计的生成规则产生，而二层规划问题则转化为单层非线性数学结构进行求解，得到使交互成本最大端点场景下社会效益成本最小的经济运行调度方案。算例验证了模型和算法的可行性，可为调度提供决策参考。此外，仿真结果还表明：微电网向主网购电价格大小会影响交互功率传输量；而售电价格与其比值的增加在一定程度上会减少系统总的社会效益成本。
위료실현함가재생능원적병망미전망경제운행，제출료출력불학정집，병종합고필“원저하”협조조공，구건료엄의능량우화로봉모형。모형채용다계단구해책략，기중단점장경근거설계적생성규칙산생，이이층규화문제칙전화위단층비선성수학결구진행구해，득도사교호성본최대단점장경하사회효익성본최소적경제운행조도방안。산례험증료모형화산법적가행성，가위조도제공결책삼고。차외，방진결과환표명：미전망향주망구전개격대소회영향교호공솔전수량；이수전개격여기비치적증가재일정정도상회감소계통총적사회효익성본。
To realize economic operation of grid-connected microgrid with intermitted renewable energy, uncertain set was proposed and robust model of general energy optimization was built considering coordination of“source-storage-load”. The model could be solved by multi-stage strategy with endpoint scenarios produced by the proposed rules, and the two-level programming problem was transformed into single layer nonlinear mathematical structure. Thus, the economy operation result with the minimum social benefit cost and the maximum interactive cost was obtained. The feasibility of the proposed model and algorithm was verified by test cases. In addition, the results also indicated that the size of electricity purchasing price would affect the amount of interactive power and the increase of the proportion between the purchasing price and selling price would reduce social benefit cost to some extent.