The drives allow users with a large installed base to get better performance from their existing systems, and to continue using DC technology while better aligning with modern AC advancements. They ...

En route to getting the off-the-peg DC-51 motor speed controller to better suit my small milling machine, I had a go at working out what the circuit is. Approx circuit of DC-51 motor speed controller ...

DC motors are used extensively in industrial variable speed applications because of most demanding speed-torque characteristics and are simple in controlling aspects. This paper presents a DC motor ...

Figure 1. The chart shows energy savings achieved by Refrigeration Service Co. with use of a variable-speed controller. EDITOR’S NOTE: This material was prepared by Heatcraft Worldwide Refrigeration.

The Collaborative Working Principle of Variable Frequency Power Supply and Motor According to the asynchronous motor speed ...

Control Techniques, a Nidec Motor Corporation business, serves a wide range of industrial and commercial customers in the United States, Canada, Latin America, and the Caribbean. Since 1973, Control ...

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 ...