起动永磁同步电动机的d-q空间矢量分析

A. Takahashi, S. Kikuchi, H. Mikami, K. Ide, A. Binder
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引用次数: 1

摘要

为了提高d-q空间矢量分析的计算精度,提出了一种新的起动永磁电机参数估计方法。引入泄漏磁通和磁化磁通随定子励磁和转子励磁的变化规律,计算了暂态特性和稳态性能。通过与有限元分析的比较,验证了所提方法的有效性。特别值得注意的是,它可以在短时间内提供精确的准稳态平均转矩和精确的自启动临界负载转矩。
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d-q Space vector analysis for line-starting permanent magnet synchronous motors
In order to boost up the calculation precision of d-q space vector analysis, new approach for estimating parameters of line-starting permanent magnet motors is developed. Introducing leakage-flux and magnetizing-flux variations dependant on not only stator excitation but also rotor one, transient characteristics and steady-state performance are calculated. Thorough the comparison with finite element analysis, the validity of the proposed method is verified. Especially, it is notable that it can provide at short times accurate quasi-steady-state average torque and precise critical load torque for self-starting.
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