This series of compact AC motor speed controllers features two models that can control AC motors and gearmotors with speeds ranging from 90 rpm to 1,400 rpm (50 Hz) and 90 rpm to 1,600 rpm (60 Hz).

The DynaMotor motor/drive is a combination of an ac motor and variable-speed controller that provides 11 lb-ft of torque at 160 rpm. The unit does not use an inverter and connects directly to an ac ...

For the PDF version of this article, click here. More than 80% of the motors bought each year continue to be low-cost single-phase ac motors. Because these motors are not very efficient when ...

Since AC induction motors have been established as the preferred choice for industrial motors and the need for reduced power in all aspects of design is ever present, the efficiency of these motors is ...