To reduce the computational burden of the conventional model predictive current control(MPCC), improve the steady state performance of single vector MPCC for the semi-controlled open winding PMSG(OW-PMSG), and further suppress zero sequence current simultaneously, a double vector MPCC method for semi-controlled OW-PMSG generation system is proposed in this session. In this method, the first voltage vector of controllable convertor is selected according to the sector location of the reference voltage vector. For the second voltage vector, the selection method-based deadbeat voltage vector sector is designed to reduce the range of the candidate voltage vector. Finally, the simulation results validate effectiveness of proposed method.