Abstract:In order to reduce the influence of the dead band compensation of the PMSM(Permanent Magnet Synchronous Machine) controller, the author here analyses the rules of the SVPWM (Space Vector Pulse Width Modulation), introduces a hybrid vector SVPWM strategy without compensation. The math model and the work period calculation of the hybrid vector SVPWM are given out and the PMSM Controller based on this type of SVWPM is built. The test result is that the hybrid vector SVPWM could get the same excellent result as the 180 degree space vector without dead band compensation. When design a high-power PMSM controller, this way is even remarkable to be realized.