Induction generator

[Sarah]

A machine built as an induction motor and driven abovesynchronous speed, thus acting as an alternating-current generator; -- called also asynchronous generator. Below synchronism the machinetakes in electrical energy and acts as an induction motor; atsynchronism the power component of current becomes zero and changessign, so that above synchronism the machine (driven for this purposeby mechanical power) gives out electrical energy as a generator.