计及可中断负荷的微电网多目标优化运行
发布时间：2019-03-07 18:23
【摘要】：针对电网调度对微电网运行提出的要求,将可中断负荷处理成一种主动参与微电网运行的可调度资源,分别建立计及可中断负荷的特定时段联络线削峰填谷以及联络线波动最小的多目标调度策略数学模型,基于上海地区微电网数据进行算例仿真,验证了模型的有效性,比较了单目标优化和多目标优化对微电网优化运行的影响。利用非线性规划工具进行求解,获得全局最优解。算例结果表明,计及可中断负荷的考虑特定时段联络线削峰填谷微电网多目标优化运行模型使得微电网可以有效协助大电网进行削峰填谷,为电网公司制定合理的补偿政策提供参考;计及可中断负荷的考虑联络线波动最小微电网多目标优化运行模型明显降低运行成本的同时减少了联络线波动对上级电网的影响。
[Abstract]:In view of the requirements of power grid dispatching for microgrid operation, the interruptible load is treated as a schedulable resource that actively participates in the operation of microgrid. The mathematical models of multi-objective scheduling strategy for peak-cutting and valley-cutting of tie-line and minimum fluctuation of tie-line considering interruptible load are established respectively. Based on the data of micro-grid in Shanghai, the simulation results show that the model is effective. The effects of single-objective optimization and multi-objective optimization on optimal operation of microgrid are compared. The global optimal solution is obtained by using nonlinear programming tools. The numerical results show that considering the interruptible load, the multi-objective optimal operation model of the micro-grid with peak-shaving and valley-cutting of tie-line considering the interruptible load makes the micro-grid effectively assist the large-scale power grid to cut the peak and fill the valley. To provide reference for power grid company to formulate reasonable compensation policy; Considering the interruptible load, the multi-objective optimal operation model considering the minimum fluctuation of tie-line not only reduces the operating cost, but also reduces the influence of tie-line fluctuation on the upper power grid.
【作者单位】： 上海电力学院电气工程学院;国家电网华东电力调控分中心;国家创新能源研究院;
【基金】：国家青年自然基金(51407113) 上海绿色能源并网工程技术研究中心资助项目(13DZ2251900)“电气工程”上海市II类高原学科~~
【分类号】：TM727
[Abstract]:In view of the requirements of power grid dispatching for microgrid operation, the interruptible load is treated as a schedulable resource that actively participates in the operation of microgrid. The mathematical models of multi-objective scheduling strategy for peak-cutting and valley-cutting of tie-line and minimum fluctuation of tie-line considering interruptible load are established respectively. Based on the data of micro-grid in Shanghai, the simulation results show that the model is effective. The effects of single-objective optimization and multi-objective optimization on optimal operation of microgrid are compared. The global optimal solution is obtained by using nonlinear programming tools. The numerical results show that considering the interruptible load, the multi-objective optimal operation model of the micro-grid with peak-shaving and valley-cutting of tie-line considering the interruptible load makes the micro-grid effectively assist the large-scale power grid to cut the peak and fill the valley. To provide reference for power grid company to formulate reasonable compensation policy; Considering the interruptible load, the multi-objective optimal operation model considering the minimum fluctuation of tie-line not only reduces the operating cost, but also reduces the influence of tie-line fluctuation on the upper power grid.
【作者单位】： 上海电力学院电气工程学院;国家电网华东电力调控分中心;国家创新能源研究院;
【基金】：国家青年自然基金(51407113) 上海绿色能源并网工程技术研究中心资助项目(13DZ2251900)“电气工程”上海市II类高原学科~~
【分类号】：TM727
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