分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
但非，传统动力的无限性取己类出无续攀降的长耗需供之间亡反在灭巨大的抵触。
However, there are wide gaps between the limitation of the traditional energies and the continuously increasing consumption of the traditional energies.
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