For four bridge-arm active power filter

the model predictive current control（MPCC）is a novelhigh-performance control strategy which

however

needs multiples times of rolling optimization whenthe most optimal switching condition of at the next moment. For overcoming the shortcomings

a kind ofmodified predictive voltage control strategy（MPVC）based on partition judgment is given. With reference 3DSVPWM modulation idea based on αβγ coordination system and with the use of two-time partitionjudgment process the specific position of three dimensional space voltage vector is defined. The optimalsubset is selected from 24 groups of alternative switch state subsets so to reduce the number of rollingoptimization and improve optimization efficiency. The effectiveness of the improved MPVC strategy isproved by the simulation result

which has stronger robustness and

compared to the MPCC

betterdynamic performance.