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 ...

AC motors are abundant in the HVAC industry. Every fan and pump application requires an AC motor. For efficient and reliable control, adjustable-speed drives are becoming a common companion for these ...

EDISON, N.J.--(BUSINESS WIRE)--Fuji Electric Corp. of America is proud to announce the launch of the new FRENIC-MEGA (G2) AC drive, a high-performance evolution of its industry-leading FRENIC series.

Physical size and weight provide the most visible evidence of the evolution of ac variable-frequency drives (VFDs) in the past 50 years. But, what's under the skin is even more dramatic for the ...

Utility power plant generators are usually designed for a power factor (PF) of .8 to .9. If demand-side PF is lower than the designed PF, the generator current will rise above the equipment's rated ...

The National Electrical Manufacturers Association has published ICS 7.2-2015 Application Guide for AC Adjustable Speed Drive Systems. This guide assists users in proper selection and application of ...

The Durapulse GS20 Series of next generation high-performance variable frequency drives provides many standard and advanced functions in a compact reduced size unit. The new GS20X series of AC drives ...

The drive and the feedback device used in the application, will determine whether the motor is termed either a dc or ac brushless motor. Typically when Hall sensors are used, the motor will be termed ...