MOTOR CONTROLLER OF AIR CONDITIONER

摘要

The present invention relates to a motor controller for air conditioner including a converter converting AC utility power into DC power; an inverter for compressor having a plurality of switching elements for inverter, the inverter converting the DC power into predetermined AC power by a switching operation to drive a three-phase motor; and a microcomputer controlling the converter and the inverter and outputting an inverter switching control signal to the inverte wherein the microcomputer enables a control period of the inverter to conform to a period of an inverter interrupt signal for outputting the inverter switching control signal. The present invention may reduce manufacturing costs.