基于需求侧响应和储能电量预估的微网运行调度策略

微网在孤岛运行期间，若微电源和储能装置容量不足，则无法保证网内所有负荷的正常供电。为提高微网供电可靠性，同时尽可能利用可再生能源发电，提出了一种基于需求侧响应和储能电量预估的微网运行调度策略。该策略针对孤岛运行期间的微网，根据微源发电功率和负荷用电功率的超短期预测结果，对储能功率和剩余电量进行预估，结合预估结果和需求侧信息对各类负荷实施不同的调度策略。通过对可平移负荷的平移优化和对可中断负荷的适时逐级投切，达到微网内重要负荷可持续供电和其他负荷停电时间最短的目标。仿真算例验证了所提策略的正确性和有效性。

Dispatching strategy of microgrid based on demand side response and energy estimation of energy storages

It is hardly to ensure the power supply for all loads in microgrid with insufficient capacity of micro sources and energy storages during isolated mode. A dispatch strategy of microgrid operation based on demand side response and energy evaluation of energy storages is proposed to improve power supply reliability of microgrid and take advantage of renewable energy as far as possible. In this strategy, focused on microgrid operating in isolated mode, firstly, power and surplus energy of energy storages are estimated according to the supper short-term power prediction of micro sources and loads, and secondly, different scheduling strategies for all kinds of loads are implemented on the basis of the estimated result and demand side information. Through the optimization of shiftable loads and the shedding of interruptible loads with different grades, the goal for continuous power supply of the important loads and the shortest power-off time of rest loads is achieved. The simulation example verifies the correctness and effectiveness of the strategy proposed in this paper. This work is supported by National Natural Science Foundation of China (No. 51507139 and No. 51677151).