Torbjörn Trostén, H. Mosskull, D. Jansson, M. Azaza, E. Dahlquist
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Comparison and analysis of magnetic noise and drive losses using different PWM methods (1165)
In this paper several discontinuous pulse width modulation methods (DPWM) are compared with space-vector pulse width modulation (SV-PWM) method. The comparisons are done based on measurements of motor magnetic noise and total drive losses for inverter switching frequencies from 500Hz to 4000Hz. It is concluded that using SV-PWM it is possible to reach lower magnetic noise on the traction motor without increasing the total losses significantly.