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Investigation of Decoupled PWM Strategy for a Three-Phase Open-End Winding Permanent Magnet Synchronous Motor Using a Five-Leg Inverter

机译:用五腿逆变器对三相开口绕组永磁同步电动机去耦PWM策略的研究

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Dual-inverter drive of open-end winding ac machine is equivalent to the conventional three-level inverter system from the point of view of voltage vector count, but is simpler in the structure. Decoupled PWM strategy is usually used in the dual- inverter drive. In this paper, it is proposed that a three-phase open-end winding permanent magnet synchronous motor (PMSM) is driven with a five-leg inverter so as to simplify the power electronic circuit and to reduce the hardware cost, whilst the decoupled PWM strategy is evolved accordingly. Simulation and experiments show that the evolved drive system can achieve a similar control performance to the traditional system.
机译:从电压矢量计数的角度来看,开口绕组AC机的双逆变器驱动相当于传统的三级逆变器系统,但结构中更简单。去耦PWM策略通常用于双变频器驱动器。本文提出,用五腿逆变器驱动三相开口绕组永磁同步电动机(PMSM),以简化电力电子电路并降低硬件成本,同时解耦PWM策略是相应的。模拟和实验表明,演进的驱动系统可以实现与传统系统类似的控制性能。

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