计及配电网拥塞的集群电动汽车参与二次调频方法研究

doi:10.11930/j.issn.1004-9649.202012058

中国电力 ›› 2021, Vol. 54 ›› Issue (12): 162-169.DOI: 10.11930/j.issn.1004-9649.202012058

计及配电网拥塞的集群电动汽车参与二次调频方法研究

陈浩¹, 胡俊杰¹, 袁海峰¹, 周华嫣然¹, 罗魁²

1. 华北电力大学新能源电力系统国家重点实验室, 北京 102206;
2. 中国电力科学研究院有限公司新能源与储能运行控制国家重点实验室, 北京 100192

收稿日期:2020-12-14 修回日期:2021-03-15 出版日期:2021-12-05 发布日期:2021-12-16
作者简介:陈浩(1998-),男,硕士研究生,从事集群电动汽车能量管理研究,E-mail:CH18811091075@163.com;胡俊杰(1986-),男,通信作者,副教授,从事分布式能源系统与产消者供需互动机理、集群电动汽车能量管理研究,E-mail:junjiehu@ncepu.edu.cn
基金资助:
国家自然科学基金资助项目（51877078）；北京市科技新星计划项目（Z201100006820106）；新能源与储能运行控制国家重点实验室（中国电力科学研究院有限公司）开放基金（NYB51202001598）。

Research on Supplementary Frequency Regulation with Aggregated Electric Vehicles Considering Distribution Network Congestion

CHEN Hao¹, HU Junjie¹, YUAN Haifeng¹, ZHOU Huayanran¹, LUO Kui²

1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China;
2. State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems, China Electric Power Research Institute, Beijing 100192, China

Received:2020-12-14 Revised:2021-03-15 Online:2021-12-05 Published:2021-12-16
Supported by:
This work is supported by National Natural Science Foundation of China (No.51877078); Beijing Nova Program (No.Z201100006820106); Open Fund of State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems (China Electric Power Research Institute) (No.NYB51202001598).

摘要/Abstract

摘要： 随着电动汽车数量的增多，具有快速响应能力的电动汽车在参与电力系统调频服务中得到广泛关注，但现有研究在利用电动汽车参与电网调频时往往忽视了电动汽车参与调频过程中由于集中充电可能导致的配网拥塞问题。为此，提出一种计及配电网拥塞的集群电动汽车参与二次调频方法。首先，介绍集群电动汽车参与电网调频的调度结构框架；其次，提出考虑电动汽车荷电状态的调频容量分配策略；然后，提出基于拥塞指数因子对电动汽车充放电功率进行调整的控制策略；最后，通过MATLAB/Simulink仿真进行算例分析，验证了所提控制策略的优势，结果表明：该策略可以在避免配电网拥塞的同时，保证系统频率波动不超过0.1Hz。

关键词: 电动汽车, 二次调频, 荷电状态, 配电网拥塞, 拥塞指数因子

Abstract: Electric vehicles (EVs) have attracted wide attention in the frequency regulation of power systems due to their increase in quantity and their fast response capacity. However, current research ignores the fact that during the frequency regulation their load attributes may lead to distribution network congestion when a large number of them are connected to the grid. Therefore, a control strategy for the supplementary frequency regulation with aggregated EVs is proposed considering distribution network congestion. Firstly, the hierarchical scheduling framework of the supplementary frequency regulation with the aggregated EVs is presented. Secondly, a frequency regulation power allocation mode considering the state of charge (SOC) of EVs is proposed. Then, a control strategy based on current congestion indicator factors (CCIF) is established to limit the charging and discharging power of EVs. Finally, the advantage of the control strategy is verified by the MATLAB/Simulink simulation, which shows that this strategy can avoid the distribution network congestion and ensure the frequency fluctuation of the system lower than 0.1 Hz.

Key words: electric vehicle, supplementary frequency regulation, state of charge, distribution network congestion, current congestion indicator factor

陈浩, 胡俊杰, 袁海峰, 周华嫣然, 罗魁. 计及配电网拥塞的集群电动汽车参与二次调频方法研究[J]. 中国电力, 2021, 54(12): 162-169.

CHEN Hao, HU Junjie, YUAN Haifeng, ZHOU Huayanran, LUO Kui. Research on Supplementary Frequency Regulation with Aggregated Electric Vehicles Considering Distribution Network Congestion[J]. Electric Power, 2021, 54(12): 162-169.

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计及配电网拥塞的集群电动汽车参与二次调频方法研究

Research on Supplementary Frequency Regulation with Aggregated Electric Vehicles Considering Distribution Network Congestion

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Research on Supplementary Frequency Regulation with Aggregated Electric Vehicles Considering Distribution Network Congestion

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