基于多参数规划的电动汽车充电站有效容量评估方法

doi:10.11930/j.issn.1004-9649.202206091

中国电力 ›› 2022, Vol. 55 ›› Issue (11): 175-183.DOI: 10.11930/j.issn.1004-9649.202206091

基于多参数规划的电动汽车充电站有效容量评估方法

蔡海青^1,2,3, 代伟⁴, 赵静怡⁴, 王城⁴, 张志杰⁴, 李书勇^1,2,5

1. 直流输电技术国家重点实验室（南方电网科学研究院有限责任公司），广东广州 510663;
2. 国家能源大电网技术研发（实验）中心，广东广州 510663;
3. 广东省新能源电力系统智能运行与控制企业重点实验室，广东广州 510663;
4. 广西大学电气工程学院，广西壮族自治区南宁 530004;
5. 中国南方电网公司电网仿真重点实验室，广东广州 510663

收稿日期:2022-06-22 修回日期:2022-10-09 发布日期:2022-11-29
作者简介:蔡海青（1984—），男，高级工程师，硕士，从事电力系统仿真应用与控制保护技术研究，E-mail：caihq@csg.cn;代伟（1990—），男，通信作者，助理教授，从事电力系统优化运行、综合能源系统优化等技术研究，E-mail：weidai2019@163.com
基金资助:
直流输电技术国家重点实验室开放基金资助项目（SKLHVDC-2021-KF-03）。

Available Capacity Evaluation Method of Electric Vehicle Charging Stations Based on Multi-parametric Programming

CAI Haiqing^1,2,3, DAI Wei⁴, ZHAO Jingyi⁴, WANG Cheng⁴, ZHANG Zhijie⁴, LI Shuyong^1,2,5

1. State Key Laboratory of HVDC, Electric Power Research Institute, China Southern Power Grid, Guangzhou 510663, China;
2. National Energy Power Grid Technology R & D Centre, Guangzhou 510663, China;
3. Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System, Guangzhou 510663, China;
4. School of Electrical Engineering, Guangxi University, Nanning 530006, China;
5. CSG Key Laboratory for Power System Simulation, Guangzhou 510663, China

Received:2022-06-22 Revised:2022-10-09 Published:2022-11-29
Supported by:
This work is supported by the State Key Laboratory of HVDC (No.SKLHVDC-2021-KF-03).

摘要/Abstract

摘要： 为准确评估配电网承载电动汽车的能力，保证配网安全经济运行，基于多参数规划理论，提出电动汽车充电站有效容量定义及其评估方法，充分考虑了不同充电站之间隐含的耦合关系，能够准确快速刻画多个充电站有效容量边界，辅助配网调度决策。首先，依据配网经济调度模型和卡罗需-库恩-塔克（Karush-Kuhn-Tucker，KKT）条件，构建充电站有效容量等效约束集，表征有效容量可行空间，提供精确的调度边界信息。进而，推导不同有效容量子空间下配网分段运行成本函数，反映充电功率对配网经济运行的影响。最后，通过IEEE-33节点系统进行算例仿真分析，验证了该方法的准确性和有效性。

关键词: 电动汽车, 配电网, 有效容量评估, 多参数规划, 安全运行, 调度

Abstract: To precisely evaluate the bearing capacity of distribution networks for electric vehicles (EVs) and thus ensure the secure operation of distribution networks, this paper proposes the definition of the available capacity (AC) of EV charging stations (EVCSs) and its evaluation method on the basis of the multi-parametric programming theory. The proposed method can efficiently and accurately visualize the AC boundaries of EVCSs with full consideration of the implicit coupling effects among multiple EVCSs and assists in the decision-making of distribution network scheduling. Firstly, according to the economic scheduling model of distribution networks and Karush-Kuhn-Tucker (KKT) conditions, the equivalent constraint sets of AC are formulated to represent the feasible space of AC and provide accurate boundary information for the scheduling. Next, the piecewise operational costs for different AC sub-space are derived to reflect the impact of charging power on the economic operation of distribution networks. Finally, simulations on the modified IEEE-33 bus system demonstrate the accuracy and effectiveness of the proposed evaluation model.

Key words: electric vehicles, distribution network, available capacity evaluation, multi-parametric programming, safe operation, scheduling

蔡海青, 代伟, 赵静怡, 王城, 张志杰, 李书勇. 基于多参数规划的电动汽车充电站有效容量评估方法[J]. 中国电力, 2022, 55(11): 175-183.

CAI Haiqing, DAI Wei, ZHAO Jingyi, WANG Cheng, ZHANG Zhijie, LI Shuyong. Available Capacity Evaluation Method of Electric Vehicle Charging Stations Based on Multi-parametric Programming[J]. Electric Power, 2022, 55(11): 175-183.

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基于多参数规划的电动汽车充电站有效容量评估方法

Available Capacity Evaluation Method of Electric Vehicle Charging Stations Based on Multi-parametric Programming

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基于多参数规划的电动汽车充电站有效容量评估方法

Available Capacity Evaluation Method of Electric Vehicle Charging Stations Based on Multi-parametric Programming

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