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基于多能流解耦算法的综合能源系统N-1静态安全分析
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东北电力大学电气工程学院, 吉林省吉林市 132012

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国家自然科学基金资助项目(51677022);国家重点研发计划资助项目(2017YFB0903400);吉林省综合能源系统创新团队项目(20180519015JH)


Static N-1 Security Analysis for Integrated Energy System Based on Decoupled Multi-energy Flow Calculation Method
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School of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China

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    摘要:

    综合能源框架下,各能源子系统间的能量交互更加频繁,多能流协同运行在提高运行能效的同时,也使传统面向单一能源子系统的安全性分析方法难以适用,有必要针对电—气—热的综合能源系统静态安全问题进行深入分析。首先,建立含电、气、热的综合能源系统数学模型,计算综合能源系统静态多能流;其次,针对综合能源系统耦合元件提出互济控制模式和保护控制模式两种控制模式;在此基础上,建立预想事故集,对综合能源系统进行静态N-1安全校核;通过分析综合能源系统的静态N-1安全校核结果,探究耦合元件退出运行以及耦合元件不同控制模式对综合能源系统运行安全性的影响;最后,通过IES 14节点测试系统算例对所提出的综合能源系统N-1静态安全分析方法的准确性和有效性进行了分析、验证。

    Abstract:

    Within the framework of integrated energy system(IES), the energy interaction among the energy subsystems is increasing. The cooperation of multi-energy system not only improves the operation economy, but also makes it difficult to apply the traditional security analysis method of single energy subsystem to the IES. It is necessary to conduct an in-depth analysis of the static security problem of the electric-gas-heat IES. Firstly, a mathematical model of IES is established including electricity, gas and heat, and the static multi-energy flow of the IES is calculated. Secondly, two control modes are proposed for the IES coupling components, i. e. mutual control mode and protection control mode. On this basis, the predicted accident set is established, and the static N-1 security check is performed on the IES. By analyzing the static N-1 security check result of the IES, the impact of the exit of the coupling element and the different control modes of the coupling element on the operational security of IES is studied. Finally, the accuracy and effectiveness of the proposed static N-1 security analysis method of the IES are analyzed and verified by the IES 14-node test system.

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引用本文

陈厚合,邵俊岩,姜涛,等.基于多能流解耦算法的综合能源系统N-1静态安全分析[J].电力系统自动化,2019,43(17):20-27. DOI:10.7500/AEPS20180613007.
CHEN Houhe, SHAO Junyan, JIANG Tao,et al.Static N-1 Security Analysis for Integrated Energy System Based on Decoupled Multi-energy Flow Calculation Method[J].Automation of Electric Power Systems,2019,43(17):20-27. DOI:10.7500/AEPS20180613007.

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  • 收稿日期:2018-06-13
  • 最后修改日期:2019-06-27
  • 录用日期:2019-04-06
  • 在线发布日期: 2019-06-21
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