基于相对目标接近度的并网型微电网多目标优化调度
摘要：为了提高微电网运行的灵活性，将可中断负荷视为一种直接参与微电网运行的可调度资源，并根据峰谷时刻设置联络线传输功率处于不同区间，考虑微电网运行维护折旧成本、环境效益成本和与联络线偏差惩罚成本，构建微电网运行的多目标优化模型，再采用相对目标接近度法将多目标优化转化为单目标优化，由层次分析法和熵权法进行组合赋权。运用Gurobi求解器对微电网内的各种分布式电源24h出力和蓄电池荷电状态进行求解，获得微电网日前调度模型。基于美国地区微电网算例进行分析，验证所提模型可以兼顾微电网经济性、环保性，并能减少主网功率波动；同时表明计及可中断负荷和联络线功率控制的运行方式能有效降低运维折旧成本、环境污染和主网负担。
Abstract:To improve the flexibility of microgrid operation, the interruptible load was regarded as a schedulable resource that directly participated in the operation of microgrid, and according to the length of time of peak load and valley load the transmission power of the tie line was set in different interval. Considering the depreciation, operation and maintenance cost of microgrid and its environmental benefit cost as well as its tie-line deviation penalty cost, a multi-objective optimization model of microgrid operation was constructed, and by use of relative objective adjacent scale method the proposed multi-objective optimization model was transformed into single-objective optimization model, and the combination weighting was performed by the analytic hierarchy process (AHP) and entropy weight method. The Gurobi solver was utilized to solve the 24h output and the state of charge of battery of various distributed power sources in the microgrid to obtain the day-ahead dispatching model of microgrid. By means of a simulation example based on a microgrid in a certain region in the United States, it was verified that the proposed model could give consideration to the economy and environmental protection property, besides, it could mitigate the power fluctuation in the main network, meanwhile it was shown that such an operation mode, which took the interruptive load and tie-line power control into account, can effectively reduce the depreciation cost of operation and maintenance, environmental pollution and the burden of main network.
标题：基于相对目标接近度的并网型微电网多目标优化调度
英文标题：Multi-objective Optimal Dispatching of Grid-connected Microgrid Based on Relative Objective Adjacent Scale
作者：吴晓雯, 顾雪平, 范辉, 王涛,
关键词：微电网, 多目标优化, 可中断负荷, 交换功率, 相对目标接近度,
发表日期：2024-02-19
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