Washing controls have used power inverters to control motor speeds for years. Variable-speed control enables a significant simplification of the mechanical system by replacing a clutch and gearbox ...

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Recently, International Rectifier released its iMotion control platform for air conditioners in China and Japan (see "Air Conditioner Chip Set Is Way Cool," March 30, 2006, p. 36). This month, IR ...

Speed, torque, and horsepower are three inter-related parameters in motor control. The speed of a motor, measured in revolutions per minute (rpm), defines a motor's ability to spin at a rate per unit ...