True Six-Phase Space Vector Modulation Scheme with Reduced Low Order Harmonics

A novel space vector pulse width modulation (PWM) scheme based on the employment of medium magnitude space vectors for six-phase voltage source inverter has been developed. The proposed PWM scheme allows generating the six-phase voltage with the reduced level of low order harmonics. It is suitable for inverters driving six-phase AC induction motors with sinusoidal distribution of windings, with a single neutral point. Index Terms--Six-phase inverter, single neutral, multiple dq planes, even phase number, space vector modulation.