双馈VSCF感应发电机运行性能的计算与分析

2007 International Conference on Computational Intelligence and Security (CIS 2007) Pub Date : 2007-12-15 DOI:10.1109/CIS.2007.119

P. Cheng, Weili Li, Wenbiao Chen, D. Xia

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引用次数: 4

摘要

利用电磁场理论和变分法，首先建立了双馈变速恒频风力发电机的数学模型，并给出了二维瞬态电磁场有限元法。在有限元计算中，为了满足VSCF的要求，将电磁场与外电路耦合，并将定子端电压作为收敛条件。迭代计算了转子励磁电流，分析了双馈风力发电机在不同转速、不同负载下的性能。将计算结果与实验数据进行了比较，表明计算结果较好地满足了工程要求。为风力发电系统的设计和分析提供了有益的参考

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Calculation and Analysis of Double-Fed VSCF Induction Generator Operating Performance

By using electromagnetic field theory and calculus of variations, the mathematic model of double-fed variable-speed constant-frequency(VSCF) wind generators was established firstly in this paper, and the two-dimensional transient electromagnetic field finite element method(FEM) was presented. To satisfy the requirement of VSCF, the electromagnetic field was coupled with the outside circuit in FEM calculation, and the stator terminal voltage was taken as the convergence condition. Rotor exciting current was iterating calculated, and the performance of double-fed wind generators at different speed and different load was analyzed. Then the obtained results were compared with the experimental data, from which it could be seen that the calculated results satisfy the engineering requirements well. All these provide some useful reference for the design and analysis of wind power generation system

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2007 International Conference on Computational Intelligence and Security (CIS 2007)

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