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首页> 外文期刊>IEEE Transactions on Energy Conversion >Coupled Finite Element and Extended-QD Circuit Induction Machine Model, Part II: Implementation
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Coupled Finite Element and Extended-QD Circuit Induction Machine Model, Part II: Implementation

机译:耦合有限元和扩展QD电路感应机型号,第二部分:实施

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The design of squirrel-cage induction motors (IMs) entails the capability to predict the motor efficiency map with high accuracy over an operating range. In particular, modeling harmonic rotor bar currents becomes important for loss analysis. In theory, it is possible to analyze an induction motor using time-stepping finite element analysis (TS-FEA); however, this is not viable due to computational limitations. To bridge this gap, we set forth a computationally efficient method that couples magnetostatic FEA with a qd-circuit model of the cage. The proposed IM model includes the effects of saturation, winding and slot harmonics, as well as nonuniform current density distribution in the rotor bars. The model is presented in two parts. Part I focuses on the formulation of a qd cage circuit model with segmented bars. Part II is a companion paper that proposes an FEA-based parameter estimation and a solution method.
机译:松鼠笼感应电机(IMS)的设计需要在操作范围内具有高精度预测电机效率图。 特别地,建模谐波转子条电流对于损耗分析变得重要。 理论上,可以使用时间步进有限元分析(TS-FEA)来分析感应电动机; 然而,由于计算限制,这不可行。 为了弥合这一差距,我们阐述了一种计算上有效的方法,将磁静电FEA与笼子的QD电路模型耦合。 所提出的IM模型包括饱和,绕组和槽谐波的影响,以及转子杆中的不均匀电流密度分布。 该模型分为两部分。 第一部分专注于配方用分段棒的QD笼式电路模型。 第二部分是一种伴随的纸质,提出了基于FEA的参数估计和解决方法。

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