How can the varying output from wind turbines be used in the electrical grid?

The turbine output is sent to an inverter that converts a varying output to three-phase, phase-locked grid power for hand-off to the grid. As the wind rises and falls the turbine controller increases or decreases the amount of power that the turbine produces so that it turns at its optimum speed. The ZZ 250 uses coning rotor technology that means that its speed is self-stabilising and the inverter itself is used to control the amount of energy that is pushed to grid.