Abstract: For the operation control of the doubly fed induction generator（DFIG）grid-side converter（GSC）which adopts the three-phase four-switch topology,a novel predictive power controller is designed. Three voltage vectors are used in the new control scheme to ensure that the GSC switching frequency remains constant,while minimizing GSC active and reactive power ripples.At the same time,the controller can calculate the compensation power to eliminate the neutral-point potential fluctuations without the low-pass filters. Experiments were carried out using the DGIF test platform,and the results showed that the new predictive control can effectively suppress the DC-link voltage imbalance,has fast dynamic response characteristics,and the total harmonic distortion of the GSC current is low.