Evaluation and Management of Operation State of Distribution Station Area Based on Incentive Demand Response

The popularization and promotion of smart home appliances and electric vehicles represents a challenge as well as an opportunity for distribution system operators. On the one hand, these new loads will significantly increase the operating burden of the distribution area; on the other hand, the controllability of these new devices also makes it possible to meet various technical and commercial purposes through flexible solutions such as incentive demand response. Based on the massive operation data collected from electricity meters, low-voltage fault indicators, leakage protection units and other devices in the distribution station area, a fuzzy comprehensive evaluation method is proposed to manage the operation status of low-voltage circuit in distribution station area. Then the evaluation results are applied to the incentive demand response, which realizes the comprehensive management of three-phase unbalance and under-voltage of low-voltage circuit in distribution station area through reducing load. The simulation results show that the proposed strategy can quantitatively evaluate the operation status of the distribution station area, and improve the load distribution and voltage level of distribution station area significantly through utilizing incentive demand response.