分时电价环境下计及新能源消纳的虚拟电厂优化调度研究
CSTR:
作者:
作者单位:

(1.长沙理工大学经济与管理学院,湖南 长沙 410114;2.长沙理工大学电价研究中心,湖南 长沙 410114)

通讯作者:

曾小青(1975—),男,博士,特聘教授,主要从事电力市场、电力大数据分析研究;E?mail:zengxq@csust.edu.cn

中图分类号:

TM711;TK018

基金项目:

湖南省教育厅重点项目(19A028);国家社会科学基金(21BGL176)


Research on optimization of virtual power plants dispatch by considering the consumption of new energy under time‑of‑use electricity price environment
Author:
Affiliation:

(1.School of Economics and Management, Changsha University of Science & Technology, Changsha 410114, China;2.Electricity Price Research Center, Changsha University of Science & Technology, Changsha 410114, China)

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    摘要:

    随着“双碳”工作的持续推进以及电力市场的日益成熟,新能源并网已成为中国构建新型能源体系的重要发展趋势。但由于新能源在边际发电成本及出力特质上与传统能源显著不同,其并网工作对电网的运行带来巨大冲击。为解决这一系列问题,首先从需求响应视角引入当量负荷的概念,并基于SVR?PSO算法构建计及新能源消纳和发电成本的需求响应模型,优化分时电价,降低需求侧购电成本;其次,基于分时电价提出计及新能源消纳的VPP双层优化调度模型并制定相应的运行策略,为配电网与需求侧搭建“源荷互动”的桥梁;最后,讨论基于当量负荷优化前后的分时电价对虚拟电厂经济性的影响,为分时电价的制定提供参考依据。

    Abstract:

    With the continuous advancement of the "double carbon" work and the growing maturity of the electricity market, new energy grid integration has become an important development trend to build a new energy system in China. However, due to the significant differences in marginal power generation costs and output characteristics between new energy and traditional energy, the new energy grid connection has brought a huge impact on the operation of the power grid. In order to solve the series of problems, firstly the concept of equivalent load is introduced from the perspective of demand response. Based on the support vector regression?particle swarm optimization (SVR?PSO) algorithm, a demand response model that takes into account new energy consumption and power generation costs is constructed to optimize the time?of?use electricity price and reduce the power purchase cost on the demand side. Secondly, based on the time?of?use electricity price, a VPP double?layer optimization dispatch model considering new energy consumption is proposed and corresponding operation strategies are formulated to build a bridge of "source?load interaction" between the distribution network and the demand side. Finally, the impact of time?of?use electricity price before and after equivalent load optimization on the economics of virtual power plants is discussed, which provides a reference for the formulation of time?of?use electricity price.

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曾小青,唐超雯.分时电价环境下计及新能源消纳的虚拟电厂优化调度研究[J].电力科学与技术学报,2023,38(3):24-34.
ZENG Xiaoqing. Research on optimization of virtual power plants dispatch by considering the consumption of new energy under time‑of‑use electricity price environment[J]. Journal of Electric Power Science and Technology,2023,38(3):24-34.

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  • 在线发布日期: 2023-09-19
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