AC MOTORS
Using alternating current (AC) from an electrical power grid or generator, AC motors are electrical devices that transform electrical current into mechanical rotational energy, or torque. Overall goal AC motors, sometimes referred to as induction motors, are electric motors that produce torque by means of a revolving magnetic field. These motors are used to operate machine tools and conveyors. Equipment including fans, blowers, air conditioners, heaters, and compressors all employ HVAC AC motors. Pump systems use pump AC motors to move an impeller in a pump assembly, which transfers liquids like water. The mechanical characteristics of fixed-purpose AC motors are purpose- or application-specific.