2016 Volume 136 Issue 9 Pages 635-645
On the AC motor drive system with the PWM inverter, a surge voltage appearing on the motor terminals (differential-mode motor-surge-voltage) is a serious problem. In order to reduce the surge voltage, a motor-surge-voltage suppression method using a surge suppression cable that the authors have developed has already been proposed. However, another type of motor surge voltage appearing between the motor windings and the motor frame (common-mode motor surge voltage) still remains. This paper presents a novel motor-surge-voltage suppression method using a surge suppression cable. The method enables suppression of both the differential-mode and the common-mode motor surge voltage, and its effectiveness is confirmed by the experiment. Moreover, a numerical analysis of the motor surge voltage is performed to obtain optimum parameters of the surge suppression cable for greater reduction of each.
The transactions of the Institute of Electrical Engineers of Japan.C
The transactions of the Institute of Electrical Engineers of Japan.B
The transactions of the Institute of Electrical Engineers of Japan.A
The Journal of the Institute of Electrical Engineers of Japan