科研之友
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摘要
In this paper, a new two-phase pulse width modulation (PWM) technique is proposed, in which the reference voltage is constructed by three space vectors. At any speed, the peak-to-peak value or the common-:mode voltage (CMV) in one PWM cycle can be reduced to one third of the de bus voltage, even despite of the dead-time effect. And in the low voltage region, not only the CMV but also the current ripple is restrained effectively. In the entire voltage range, the linear modulation region is not limited and the switching loss is reduced because of fewer switching actions. The validity of the proposed technique is verified through simulation and experimental results.
- 出版日期2007-11
- 单位清华大学
