BALTIMORE— In May 2015, Danfoss, a manufacturer of high-efficiency electronic and mechanical components and controls for air-conditioning, heating, refrigeration, industrial and water systems, ...

More and more often, variable frequency drives (VFDs) are used for control of fans and compressors in HVACR systems. The benefits are well documented and industry acceptance is such that most electric ...

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 ...

Global AC drives manufacturer, Vacon, has estimated that its AC drive products helped save approximately 55 TWh of electrical energy for the year 2013, a 10% increase over the previous year (in 2012, ...