科研之友
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摘要
In this paper, a novel space vector PWM scheme of dual three-phase induction machine is described. The dual three-phase induction machine is composed of two symmetric three-phase winding sets, which are spatially phase-shifted by 30 electrical degrees. The six-phase inverter is divided into two independent three-phase inverters with a common de link voltage. So the 5(th), 7(th), 17(th), 19(th), ... air-gap flux time harmonics are inherently eliminated. As well as giving a detailed explanation of the generalized unified voltage modulation algorithm, the paper presents the comparison results with the conventional SVPWM and sinusoidal PWM method. The method presented in this paper can be easily implemented and generalized to machines with arbitrary three-phase winding sets. The feed-forward (v/f control) scheme is addressed. The validity of the proposed technique is verified by the simulating and experimental results.
- 出版日期2004
- 单位武汉科技大学
