规模化电动汽车参与电力系统二次调频研究综述

doi:10.12204/j.issn.1000-7229.2023.02.001

摘要/Abstract

摘要：

大规模可再生能源并入电网使电力系统频率稳定支撑能力下降,给电力系统二次调频带来新的问题与挑战,电动汽车由于集群庞大且具有准确快速的动态响应能力而成为新型调频资源。首先,对规模化电动汽车参与调频辅助服务系统框架进行总结,从可调节容量直接量化和能量可行域两方面对电动汽车集群可调节容量量化方法进行归纳;然后,从模型、方法和应用等多个角度,对电动汽车参与电力系统二次调频的日前优化调度和实时控制过程展开综述;最后,对规模化电动汽车参与电力系统二次调频未来的研究方向和关键技术进行了展望。

关键词: 规模化电动汽车, 二次调频, 调频辅助服务, 可调节容量, 优化调度

Abstract:

The connection of large-scale renewable energy to the power grid reduces the frequency stability of the power system, which brings new problems and challenges to the secondary frequency regulation of the power system. With a large cluster, the electric vehicles have become a new type of frequency-regulation resources due to its accurate and fast dynamic response capability. This paper first summarizes the system framework of numerous electric vehicles participating in frequency-regulation ancillary service and introduces two methods to quantify the adjustable capacity of aggregated electric vehicles. One method quantifies the adjustable capacity of the aggregated electric vehicles directly, and another one presents the energy feasible region of the aggregated electric vehicles. Then, the day-ahead optimal scheduling and the real-time control process of electric vehicles participating in secondary frequency regulation of the power system are reviewed from different aspects: model, method, and application. Finally, the future research direction and key technologies of numerous electric vehicles participating in secondary frequency regulation of the power system are prospected.

Key words: numerous electric vehicles, secondary frequency regulation, frequency-regulation ancillary service, adjustable capacity, optimal scheduling

中图分类号:

TM73

付卓铭, 胡俊杰, 马文帅, 姚丽. 规模化电动汽车参与电力系统二次调频研究综述[J]. 电力建设, 2023, 44(2): 1-14.

FU Zhuoming, HU Junjie, MA Wenshuai, YAO Li. Review of Research on Participation of Numerous Electric Vehicles in Power System Secondary Frequency-Regulation Service[J]. ELECTRIC POWER CONSTRUCTION, 2023, 44(2): 1-14.

图/表 7

图1 电动汽车参与调频辅助服务系统框架

Fig.1 System framework of electric vehicle participation in frequency-regulation ancillary service system

图2 电动汽车可调节容量与基线功率关系图

Fig.2 Diagram of base power and adjustable power capacity of the electric vehicle

图3 电动汽车可调节容量量化示意图

Fig.3 Schematic diagram of the electric vehicle adjustable capacity quantization

图4 单体电动汽车可行域示意图

Fig.4 Feasible region diagram of a single electric vehicle

表1 可调节容量量化方法对比

Table 1 Comparison of adjustable capacity quantification methods

表2 采用优化模型方法文献对比

Table 2 Comparison of literature on optimization model method

图5 模型预测控制基本思想示意图

Fig.5 Schematic diagram of the basic idea of model predictive control

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