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电动汽车入网一次调频控制策略研究
引用本文:刘辉,魏岩岩,汪旎,李正明.电动汽车入网一次调频控制策略研究[J].继电器,2015,43(23):90-95.
作者姓名:刘辉  魏岩岩  汪旎  李正明
作者单位:江苏大学电气信息工程学院,江苏 镇江 212013;江苏大学电气信息工程学院,江苏 镇江 212013;江苏大学电气信息工程学院,江苏 镇江 212013;江苏大学电气信息工程学院,江苏 镇江 212013
基金项目:国家自然科学基金项目(51107054,51477070);江苏大学高级专业人才科研启动基金(09JDG008, 10JDG085)
摘    要:针对电动汽车维持电池能量和补给能量2种行为,分别提出了电动汽车入网一次调频控制策略,即维持电池能量调频控制和电池计划充电调频控制。用椭圆函数构建电视荷电状态与充/放电下垂之间的函数关系,实现维持电池能量和频率下垂控制。根据用户充电需求和电池荷电状态,实时修正计划充电功率,满足用户充电需求。最后,在2区域互联电网模型上进行仿真实验,仿真结果验证了所提出控制策略的有效性。

关 键 词:电动汽车  一次调频  频率下垂控制  充电需求
收稿时间:2/6/2015 12:00:00 AM
修稿时间:2015/3/31 0:00:00

V2G control for EVs participating in primary frequency regulation
LIU Hui,WEI Yanyan,WANG Ni and LI Zhengming.V2G control for EVs participating in primary frequency regulation[J].Relay,2015,43(23):90-95.
Authors:LIU Hui  WEI Yanyan  WANG Ni and LI Zhengming
Affiliation:School of Electrical Information and Engineering, Jiangsu University, Zhenjiang 212013, China;School of Electrical Information and Engineering, Jiangsu University, Zhenjiang 212013, China;School of Electrical Information and Engineering, Jiangsu University, Zhenjiang 212013, China;School of Electrical Information and Engineering, Jiangsu University, Zhenjiang 212013, China
Abstract:Based on EV charging modes of maintaining the residual energy of the EV battery and increasing battery energy for EVs, two kinds of control strategies, maintaining battery energy and implementing planning charging of EVs, are proposed for EVs to take part in primary frequency regulation. In order to hold battery State of Charge (SOC) levels and at the same time implement the frequency droop control, an elliptic function is used to construct the correlation between the battery SOC and the charging/discharging droop. According to the charging demands of EV users and the battery SOC level of EV battery, the scheduled charging power of EVs is corrected in real time to achieve the charging demands of EVs users. At last, simulations on a two-area interconnected power system show the effectiveness of the proposed control strategies.
Keywords:electric vehicle  primary frequency regulation  frequency droop control  charging demand
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