The Optimal Planning Method of Distribution Network Considering the Access of Electrothermic Coupling Equipment

The access of renewable energy and thermoelectric coupling equipment poses a challenge to the stable operation of distribution network. In this paper, the energy storage system in the distribution network is configured. NSGA-II algorithm is used to solve the problem by taking planning cost, node heating temperature fluctuation and distribution network voltage deviation as objective functions. The simulation results based on IEEE-33 node test system show that with the configuration method described in this paper, the node heating temperature fluctuation is reduced by 8.53% and the node voltage deviation is reduced by 6.94% at a cost of $462,711.9 per year. In addition, simulation experiments are designed to verify the effectiveness of the optimal configuration method.