Global demand for both energy and water conservation is having a tremendous impact on the home appliance market. The regulatory standards and recommendations are redefining a new generation of energy- ...

When powering AC motors, the electrical supply can be at full power to run at full speed or at variable power to run at variable speed. Applications with varying loads benefit from the variable speed ...

Motors and drives might be thought of as the elegant workhorses of HVAC and refrigeration systems. They combine old-school toughness and durability with the latest in Internet of Things (IoT) ...

Operating on 90 to 240 AC, the drives eliminate the need for a DC power supply by internally converting input AC to the high DC bus voltages that enable larger step motors to be driven with maximum ...

A synchronous and synchronous motors are the two main categories of ac motors. The induction motor is a common form of asynchronous motor and is basically an ac transformer with a rotating secondary.

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

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 ...

In order to drive motors at high efficiency, it is necessary to consider a variety of factors, including construction of the motor, components, and drive method. This series will introduce some basic ...

For motor applications, engineers have several options at their disposal. Typically, engineers can choose between direct-current (DC) or alternating-current (AC) motors. Machine Design has covered the ...