A distribution network planning method considering wind power and load uncertainties

The invention relates to a distribution network planning method considering wind power and load uncertainty. The method takes into account the uncertainties of decentralized wind power generation andload fluctuation, aiming at maximizing the utilization rate of decentralized wind power and minimizing the investment and operation cost of distribution network, the thermal stability margin of distribution network is maximized, and a distribution network expansion planning model with decentralized wind power is constructed to optimize the expansion capacity of selected lines. The implementation of the method is conducive to the rational planning of distribution network with decentralized wind power, making full use of wind resources, maximizing the thermal stability margin of transmission line, and reducing the investment and operation cost of distribution network. 本发明涉及种考虑风电和负荷不确定性的配电网规划方法。该方法通过联系数计及规划中分散式风电和负荷随机波动的不确定因素，以分散式风电利用率最大化为目标，以配电网投资运行费用最小为目标，最大限度地提高线路热稳定裕度，构建含分散式风电的配电网扩展规划模型，优化得到待选线路的扩建容量。该方法的实施有利于合理规