The standard is intended for HVACR applications that operate from low voltage (600 V). This standard applies to adjustable speed electric alternating current (AC) power drive systems@ which combine semiconductor power converters@ including means for their control@ protection@ monitoring@ and measurement with connected electric motors. All electric rotary motor types are included. This standard includes the following: a. Power converters that are completely integrated in motor casings b. Remote power converters that are tested with motors defined in this standard