Response Strategy for Virtual Power Plant Considering Difference in Regulation Characteristics of Distributed Energy Resources

Mingjie PAN; Da XIE; Xitian WANG

doi:10.7500/AEPS20220408006

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Response Strategy for Virtual Power Plant Considering Difference in Regulation Characteristics of Distributed Energy Resources

Special Session on Virtual Power Plant with Enormous Flexible Resources | 更新时间：2025-06-16

- Response Strategy for Virtual Power Plant Considering Difference in Regulation Characteristics of Distributed Energy Resources
- Automation of Electric Power Systems Vol. 46, Issue 18, Pages: 108-117(2022)
- 作者机构：
  
  上海交通大学电子信息与电气工程学院，上海市 200240
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China(2021YFB2401200)
- DOI：10.7500/AEPS20220408006
  CLC：
- Received：08 April 2022，
  
  Revised：2022-06-09，
  
  Published Online：23 August 2022，
  
  Published：25 September 2022
- 稿件说明：
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潘明杰,解大,王西田.计及分布式资源调节特性差异的虚拟电厂响应策略[J].电力系统自动化,2022,46(18):108-117.

PAN Mingjie,XIE Da,WANG Xitian.Response Strategy for Virtual Power Plant Considering Difference in Regulation Characteristics of Distributed Energy Resources[J].Automation of Electric Power Systems,2022,46(18):108-117.
潘明杰,解大,王西田.计及分布式资源调节特性差异的虚拟电厂响应策略[J].电力系统自动化,2022,46(18):108-117. DOI： 10.7500/AEPS20220408006.

PAN Mingjie,XIE Da,WANG Xitian.Response Strategy for Virtual Power Plant Considering Difference in Regulation Characteristics of Distributed Energy Resources[J].Automation of Electric Power Systems,2022,46(18):108-117. DOI： 10.7500/AEPS20220408006.

摘要

虚拟电厂通过对分布式资源的聚合与调控实现不同形式电能的协同优化运行，同时作为一种潜在的频率调节资源，能够较大程度地提升电力系统的灵活性。文中以分布式资源异构形成的虚拟电厂参与电力系统频率调节为应用背景，考虑不同类型资源的调节特性差异，设计了虚拟电厂有功功率-频率调节模式，研究并提出了分布式资源动态组合的虚拟电厂响应策略。首先，将构成虚拟电厂的分布式资源划分为正电源、负电源和储能电源3类，基于下垂特性分别建立其有功功率-频率调节模型，并考虑资源异构方式推导出虚拟电厂的综合频率调节特性。其次，根据采样得到的分布式资源实时运行状态，构建虚拟电厂的状态空间与状态轨迹，提出资源动态聚合的虚拟电厂功率响应模式与响应效果预测模型。最后，选取某35 kV变电站台区作为仿真算例，验证了典型日不同时段下虚拟电厂的响应效果，并分析了影响虚拟电厂调节能力的关键因素。

Abstract

Virtual power plants (VPPs) realize the cooperative and optimal operation of different forms of electric energy through the aggregation and regulation of distributed energy resources (DERs). As a potential frequency regulation resource

VPPs can enhance the flexibility of power systems to a large extent. In this paper

the active power-frequency regulation mode for VPPs is designed

and the response strategy with dynamic combination in DERs is proposed considering the differences in regulation characteristics of DERs in the application context where VPPs formed by heterogeneous DERs participate in frequency regulation of power systems. Firstly

the DERs constituting VPPs are divided into three categories: positive power sources

negative power sources

and energy storage power sources. Their active power-frequency regulation models are established based on the droop characteristics

respectively

and the comprehensive frequency regulation characteristics of VPPs are deduced considering the resource heterogeneity mode. Secondly

the state spaces and state trajectories of VPPs are constructed based on the sampled real-time operation states of DERs. Then

the power response model and response effect prediction model under the dynamic resource aggregation are proposed. Finally

a 35 kV substation is selected as a simulation case to verify the response effect of the VPP in different time periods of a typical day

and the key factors affecting the regulation capability of the VPP are analyzed.

关键词

Keywords

references

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