分布式电源接入馈线优化规划研究

Feeder Optimization Planning Considering the Access of Distributed Generation

分布式电源接入配电网后对供电可靠性、电压分布、网损均产生一定影响,传统馈线规划方法无法适用,需结合关键影响要素研究馈线优化规划原则及方法。本文以电压、短路电流不越限为约束条件,研究馈线及变电站最大接入能力;基于效益成本分析,研究不同比例分布式电源接入情况下馈线的最优分段;最后以网损最小为约束条件,分析分段内配变容量与分布式电源容量的匹配关系,并总结给出一般性的规划原则,为技术人员提供重要的决策依据。

The distributed generation access will have a certain impact on the power supply reliability, voltage distribution and network loss. The traditional feeder planning method cannot be applied, so the principle and method of feeder optimization planning should be studied. Research on the maximum penetration level with the constraints of voltage and short-circuit current. Research on the feeder optimal subsection of different DG access proportion with benefit cost analysis. The matching relationship between the distribution capacity and the DG capacity in a subsection is analyzed by using the minimum net loss as the constraint. Finally, the general planning principles are summarized, which provide important decision basis for technical personnel.