计及电力需求响应的多能源协同系统优化运行研究
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TM732

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国家电网有限公司总部科技项目“电力弹性负荷快速响应及柔性调节关键技术研究及应用”(SCJSDK00JLJS1800094)


Optimal operation of multi-energy collaborative system considering electricity demand response
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    摘要:

    多能源协同系统中冷、热、电等多种能源耦合互补,通过多能协调共济,能够显著提升其运行效率与经济效益。电力需求响应作为一种多能供需平衡手段,可进一步提升系统灵活性和经济性,已在多个省份实施。为明确电力需求响应对多能协同系统最优运行方式的影响,文中提出一种基于市场弹性价格型需求响应的多能源协同系统优化运行模型。首先分析多能源协同系统的主体构成,基于能源集线器模型,研究多能耦合特性,构建基于市场弹性的价格型需求响应模型;然后,基于此,建立以多能源协同系统日运行成本最低为目标的优化运行模型;最后结合实际案例计算分析,验证了价格型需求响应措施的采用能够显著提升多能源协同系统的经济性。

    Abstract:

    In a multi-energy collaborative system, cooling, heating, electricity and other energy sources are coupled to complement each other. Through multi-energy coordination and solidarity, their operating efficiency and economic benefits can be significantly improved. Demand response as a multi-energy supply-demand balance method can further improve system flexibility and economy, and electricity demand response as a viable method has been implemented in multiple provinces. In order to clarify the impact of electricity demand response on the optimal operation mode of multi-energy cooperative system, a multi-energy cooperative system optimized operation model that considers market-based elastic price-type demand response is proposed. Firstly, the main components of the multi-energy collaborative system is analyzed, based on the energy hub model, the multi-energy coupling characteristics are studied, and a price-based demand response model based on market elasticity is constructed. Based on this, an optimal operation model is established to minimize the daily operation cost of multi energy collaborative system. Finally, combined with actual case calculation analysis, it is verified that the adoption of price-based demand response measures can be significant to improve the economy of multi-energy collaboration systems.

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王俐英,曾鸣,赵嘉欣,李波,王永利.计及电力需求响应的多能源协同系统优化运行研究[J].电力工程技术,2021,40(1):2-9

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历史
  • 收稿日期:2020-07-13
  • 最后修改日期:2020-08-26
  • 录用日期:2020-05-27
  • 在线发布日期: 2021-02-03
  • 出版日期: 2021-01-28