考虑电动汽车接入的配电系统静态电压稳定裕度研究

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摘要针对电动汽车的充电特性,本文以实测充电数据为基础,拟合其五阶高斯充电分布规律,在此基础上研究了多场景下含电动汽车的配网电压稳定裕度,分析采用无序充电和峰谷分时电价调控充电方式时,不同渗透率的电动汽车充电对配电网电压稳定裕度造成不同程度的影响,以及电动汽车以不同比例接入充电站节点时对配网电压稳定裕度的影响,并依据系统电压稳定裕度采用一种可切负荷控制策略,以提高系统应对电压失稳能力。

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	郑颖
	孙近文
	张冲
	林湘宁

关键词 ：电压稳定, 电动汽车, 配电网络, 紧急控制

Abstract：The analysis of the impact on the voltage stability of adding EVs to distribution system is made under several cases based on measured charging data with 5th Gaussian distribution aimed to charging load profile. The effects of the charging of different numbers of EVs on system voltage stability under uncoordinated charging mode and coordinated charging mode with time of use price strategy with different penetrations, and the effects of the percentage of EVs plugged in charging station nodes on system voltage stability are analyzed. The strategy of controllable load is employed based on system voltage stability to improve the ability of system to deal with voltage instability.

Key words： Voltage stability electrical vehicle distribution network emergency control

收稿日期: 2013-10-09 出版日期: 2014-11-05

PACS:	TM712
	U469.72

基金资助:国家高技术研究发展计划（863计划）（2011AA05A109）和高等学校博士学科点专项科研基金（20110142110055）资助项目

作者简介: 郑颖女,1990年生,硕士研究生,研究方向为电动汽车对电力系统的影响及有序充电；孙近文男,1990年生,博士研究生,研究方向为电力系统运行与控制。

引用本文:

郑颖, 孙近文, 张冲, 林湘宁. 考虑电动汽车接入的配电系统静态电压稳定裕度研究[J]. 电工技术学报, 2014, 29(8): 20-26. Zheng Ying, Sun Jinwen, Zhang Chong, Lin Xiangning. Study of Voltage Stability Margin for the Distribution Network with Electric Vehicle Integration. Transactions of China Electrotechnical Society, 2014, 29(8): 20-26.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I8/20

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