The wind power device such as DFIG and PMSG has large moment of inertia because of the large mechanical energy storage and release during the process of starting and stopping. In order to reduce the negative effect on the power grid and prevent the wind turbine from damage, a new wind turbine self-adaptive rotational speed start and segment control shutdown strategy is proposed. Adaptive rotational speed start control:corresponding to different wind speed, the optimal starting speed of wind turbine is respectively configured, and the maximum power point tracking (MPPT) control strategy is switched after the start process of wind turbine. Shutdown control:during the wind turbine shutdown stage, the control strategy is switched from MPPT control to speed control. During wind turbine shutdown stage, control strategy is switched to rotation speed control from MPPT control. When the wind turbine’s speed is reduced to the set value, the wind power devices stop and cut down from the power grid. Simulation model of PMSG’s DC grid-connection is built based on RTDS, and the simulation tests of wind power system’s startup and shutdown are designed. Simulation results demonstrate that the start/stop control strategy is effective.