This month marks the 50th year since ABB’s Low Voltage Variable Speed Drive (VSD) was first brought to market.

Variable speed control of a compressor motor significantly reduces both the peak and average energy consumption. However, since the standards for air conditioners require a reduction in the seasonal ...

Geothermal heat pumps (GHPs) have been around for a long time, but recent technological advances have propelled these systems into a new sphere of efficiency and comfort, said Doug Dougherty, ...

Electric motors are central to South Africa’s mining operations – powering fans, pumps, conveyors and other essential ...

Dart Controls has a long history of manufacturing motor controls in their Zionsville, Indiana factory and supplying them to ...

Abstract: As wind farms expand in size, it becomes increasingly important to evaluate the stability of the power system, including dynamic models for wind power generation. Among the most widely used ...

The MDrive34Plus2 Speed Control combines a motor, driver, and encoder, and includes a programmable digital oscillator for accurate, variable-speed control. The device uses a NEMA-Size-34 brushless ...

Dart Controls introduces the 700 series DC Brushless Drives – a compact, economical, energy efficient alternative in brushless DC (BLDC) motor control. They are suitable where high speed or quiet ...

It's easy to understand how variable-speed motor drives benefit pumps and blowers from the energy curves that depict their performance. It is interesting to look at figures from the Energy Information ...