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飞轮储能系统放电过程中的非线性动力学现象分析

王紫钰1,张玮亚2,张可可1,袁丁1   

  1. 1.徐州供电公司, 徐州 221000;2. 南京供电公司,  南京 210019
  • 出版日期:2017-03-25 发布日期:2017-04-28

王紫钰,张玮亚,张可可,袁丁. 飞轮储能系统放电过程中的非线性动力学现象分析[J]. 系统科学与数学, 2017, 37(3): 685-699.

WANG Ziyu, ZHANG Weiya, ZHANG Keke, YUAN Ding. Nonlinear Dynamics Investigation of Flywheel Energy Storage Systems in Discharge Mode[J]. Journal of Systems Science and Mathematical Sciences, 2017, 37(3): 685-699.

Nonlinear Dynamics Investigation of Flywheel Energy Storage Systems in Discharge Mode

WANG Ziyu1, ZHANG Weiya2, ZHANG Keke1, YUAN Ding1   

  1. 1. Xuzhou Electrical Power Company, Xuzhou 221000; 2. Nanjing Electrical Power Company, Nanjing 210019
  • Online:2017-03-25 Published:2017-04-28

利用两时间尺度分析理论研究了飞轮储能系统放电过程中的复杂非线性动力学现象.首先通过归一化 的参数变换, 构建出具有两种时间尺度特征的飞轮储能系统无量纲动力学模型;继而引入快子系统瞬态平衡点的概念, 研究快子系统以慢状态量为分岔参数的Hopf分岔现象, 探索这种现象产生的物理机理, 同时提供了相关的实验结果.文章解决了飞轮储能系统非线性动力学行为分析的难题, 为进一步采取相应控制措施优化飞轮储能系统的运行提供理论依据.

The two-timescale analysis theory is used to investigate the nonlinear dynamics in a voltage-current dual-loop controlled flywheel energy storage system (FESS) operating in discharge mode in this paper. First, the dimensionless model of the FESS is derived; then the concept of transient fixed points is proposed to study the Hopf bifurcation of the fast subsystem with the slow variables as the bifurcation parameters, which aims at exploring the mechanism of such dynamics; at last the experimental results are provided. This paper solves the problem of analyzing the dynamics of the FESS, providing theory basis for further optimizing the operation of the FESS.

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