Abstract

The electricity trading market promotes the frequency and scale of power exchange in the distribution network, the uncertainty of trading volume, trading duration, and trading partners affect the total supply capability (TSC) of the distribution network (DN). The paper proposed a TSC model of DN with electric trading market. Firstly, the load clearing model of electricity trading is established. Then, the least square method is used to fit the growth curve functions of conventional load and power trading load. TSC model of DN is developed based on the growth functions of two loads. Finally, the TSC model is solved by the improved repetitive power flow algorithm (RPA). The simulation results of the improved IEEE 54-bus test system verify the feasibility and applicability of the proposed TSC model.

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