The Influence of Users’ Charging Selection on Charging Schedule of Power Grid
Huang Xiaoqing1, Chen Jie1, Xie Qibo2, Cao Yijia1, Yang Hang3
1. College of Electrical and Information Engineering Hunan University Changsha 410000 China; 2. State Grid Shaoyang Power Supply Company Shaoyang 422000 China; 3. Shandong Power Economic Research Institute State Grid Shandong Electric Power Company Jinan 250000 China
Abstract As a schedulable load, electric vehicle not only probably reduces the power supply pressure at load peak period, but also improve the utilization rate of the generator unit at load valley period and the level of power grid’s economic operation. Its optimal schedule is significant to the power grid. This paper being based on the fact that a part of electric vehicle users actually refuse to accept power grid schedule, minimizing the whole users’ charging cost and grid load variance as the goal, making users’ charging requirements as a constraint, established a multi-objective optimal scheduling model of electric vehicle load. The model optimizes the operation of the grid while ensuring the user's benefit from charging. This paper adopts the method of improving particle swarm to solve model. The simulation results show that the users’ charging selection will affect the charging scheduling scheme, the users’ benefit and the safety grid operation. So in the charge scheduling, the user’s charging selection should be considered.
Huang Xiaoqing,Chen Jie,Xie Qibo等. The Influence of Users’ Charging Selection on Charging Schedule of Power Grid[J]. Transactions of China Electrotechnical Society, 2018, 33(13): 3002-3011.
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2018, Vol. 33 
