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首页> 外文期刊>IEEE Transactions on Energy Conversion >Simulation of inverter-fed induction motor drives with pulse-width modulation by a time-stepping coupled finite element-flux linkage-based state space model
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Simulation of inverter-fed induction motor drives with pulse-width modulation by a time-stepping coupled finite element-flux linkage-based state space model

机译：基于时间步长耦合有限元-磁链的状态空间模型对脉宽调制的逆变器感应电动机驱动器的仿真

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摘要

In this paper, a detailed description of the simulation of inverter-fed induction motors in adjustable speed drives by a time-stepping flux linkage-based coupled finite element/state-space model for the computation of the drive performance is presented and verified experimentally. The flux linkage-based state-space model is iteratively coupled to a 2D time-stepping finite element model. The iterative nature of the coupling between these two models facilitates rigorous modeling of the comprehensive impact of inherent space harmonics due to geometries and motor magnetics and time harmonics resulting from the electronic switching of inverters, as well as effects of the synergistic interaction between these time and space harmonics. The state-space model includes no frame of reference transformation in so far as the flux linkages, currents or voltages. This implies that the state-space model directly couples the motor to its power electronic controller in one formulation and the natural variables (voltages and currents) are directly involved in the formulation and computation. Finally, results of motor drive performance simulations and corresponding test results for a six-switch inverter with 180/spl deg/ e duty cycle for each switch and a six-switch inverter with pulse-width modulation are given with excellent test result correlations, respectively.
机译：在本文中，通过基于时间步长磁链的耦合有限元/状态空间模型对变频器驱动的感应电动机的仿真进行了详细描述，并进行了实验验证。基于磁链的状态空间模型被迭代地耦合到二维时步有限元模型。这两个模型之间的耦合的迭代性质有助于对由于几何形状和电机磁性以及逆变器的电子开关产生的时间谐波所引起的固有空间谐波的综合影响进行严格的建模，以及这些时间与时间之间的协同相互作用的影响。空间谐波。就磁链，电流或电压而言，状态空间模型不包含参考变换框架。这意味着状态空间模型以一种公式将电动机直接耦合到其功率电子控制器，并且自然变量（电压和电流）直接参与公式和计算。最后，分别给出了每个开关的占空比为180 / spl deg / e的六开关逆变器和具有脉宽调制的六开关逆变器的电机驱动性能仿真结果以及相应的测试结果，它们具有良好的测试结果相关性。 。

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