Typically, modern large-scale wind turbines produce an output voltage ranging from 540 to 600 volts (VAC). 575 or 690 V), to a medium voltage. Some larger turbines use a. They are typically equipped with a transformer to increase the generator terminal voltage, usually below 1 kV (e. 75 pu. The European Union's goal is to obtain 20 percent of generated electricity from renewable energy sources by 2020, with the largest share coming from wind power at almost 35 percent. Make certain you have all the required supplies like rectifiers, capacitors, a breadboard, wires, and.