PWM rectifier control method with uncontrolled inductance current minimum phase

The invention discloses a PWM rectifier control method with uncontrolled inductance current minimum phase. The method includes sampling the three phase currents ia, ib and ic of a, b and c of a PWM rectifier, comparing the three phase currents ia, ib and ic, and determining the minimum current; according to a spatial voltage vector command value V*, determining the sections, where the spatial voltage vector command value V* located, of a complex plane; according to the different sections of the complex plane of the spatial voltage vector command value V*, composing the spatial voltage vector command value V* through different basic vectors; determining the actions of switch tubes, and avoiding controlling the minimum phase of the inductance current of the PWM rectifier. According to the control method, the switch consumption of the PWM rectifier is reduced, the efficiency of the PWM rectifier is improved, the higher sampling frequency can be provided to the PWM rectifier during operation, and the high frequency and lightness of the PWM rectifier can be realized.