含大规模电动汽车的广域源荷互动优化调控技术研究

发布时间：2018-02-09 17:57

本文关键词： 电动汽车优化调控 V2G 交通行为响应能力静态电压稳定风电有功调度无功电压优化响应机制　出处：《天津大学》2016年硕士论文　论文类型：学位论文

【摘要】：电动汽车(Electric Vehicle,EV)是目前交通低碳化发展的重要实现途径,电动汽车的大规模引入给电力系统的优化调控带来的新的机遇与挑战。一方面,电动汽车充电容易产生新的负荷高峰,严重影响系统运行的稳定性;另一方面,电动汽车可以作为电池储能设备或分布式电源,成为电力系统运行的积极参与者。本文对含大规模电动汽车的源荷互动优化调控进行深入研究,主要工作如下:(1)在电动汽车(Vehicle-to-Grid)V2G模型的基础上,通过对用户的交通行为特征进行统计分析,构建电动汽车能效电厂响应能力评估模型,对一天中电动汽车的有功和无功响应能力进行评估;(2)在系统静态电压稳定裕度过低时,提出针对电动汽车的预防控制策略,通过削减充电负荷甚至反供电能降低系统负荷水平,提高电力系统的静态电压稳定性;(3)在大规模风电接入电网的背景下,提出电动汽车能效电厂有功调度控制策略,通过优化调度电动汽车能效电厂出力,有效平抑风电功率的波动,减轻对传统发电机组出力的影响,促进低碳经济下可再生能源的消纳吸收;(4)充分利用电动汽车充电桩的无功响应能力,同时考虑并联电容器组和有载调压变压器的协调控制,提出电力系统无功电压优化控制策略,提高系统的运行经济性和电压稳定性;(5)考虑用户参与响应受交通出行需求和经济补偿因素的影响,分析激励机制对电动汽车能效电厂出力的影响,对电力市场环境下电动汽车用户的激励机制进行初步探索。
[Abstract]:Electric vehicle (EV) is an important way to realize the development of low carbonization in traffic. The large-scale introduction of electric vehicle brings new opportunities and challenges to the optimization of power system. On the one hand, the charging of electric vehicle is easy to produce new load peak. Seriously affects the stability of the system; on the other hand, electric vehicles can be used as battery energy storage equipment or distributed power, As an active participant in the operation of electric power system, this paper makes an in-depth study on the optimal control of source load interaction with large scale electric vehicles. The main work is as follows: 1) based on the V2G model of electric vehicles, the main work is as follows: 1) based on the V2G model of electric vehicles, Based on the statistical analysis of the traffic behavior characteristics of the users, an evaluation model of the response capacity of the electric vehicle energy efficiency power plant is constructed, and the active and reactive power response capacity of the electric vehicle is evaluated during the day. (2) when the static voltage stability of the system is low, This paper puts forward a preventive control strategy for electric vehicles, which can reduce the system load level and improve the static voltage stability of the power system by reducing the charge load or even reversing the power supply, under the background of large-scale wind power connected to the power network. The active power dispatching control strategy of energy efficiency power plant of electric vehicle is put forward. By optimizing the power generation of energy efficiency power plant of electric vehicle, the fluctuation of wind power can be effectively suppressed, and the influence on the output power of traditional generating set can be alleviated. To promote the absorption and absorption of renewable energy in low carbon economy) to make full use of the reactive power response of charging piles of electric vehicles, and to consider the coordinated control of shunt capacitor banks and on-load voltage regulating transformers. The optimal control strategy of reactive power and voltage in power system is put forward to improve the operation economy and voltage stability of the power system. This paper analyzes the influence of the incentive mechanism on the energy efficiency power plant of electric vehicles, and probes into the incentive mechanism of electric vehicle users in the electric power market environment.
【学位授予单位】：天津大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TM73

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