Patent ID: 6952088

Claim:
A motor control system for use in heating, ventilation, and air conditioning applications comprising: a blower and a motor coupled to drive the blower; an inverter coupled to provide energization to the motor, the inverter receiving line power at line frequency and a controller coupled to the inverter, the controller providing signals to control the output of the inverter and wherein, upon startup of the motor the controller: (i) controls the inverter to drive the output of the inverter to a predetermined voltage level and to a predetermined frequency, the predetermined frequency being greater than line frequency; (ii) the controller controls the inverter to maintain the output of the inverter at or near the predetermined voltage and the predetermined frequency for a predefined period of time; and (iii) upon the conclusion of the predetermined period of time, the controller controls the inverter to drive one output parameter of the inverter to a desired set point value.