In order to clear up confusion over motors powered by adjustable speed drives, NEMA’s Industrial Automation Control Products and Systems section and Motor and Generator section recently developed the ...

ROSSLYN, Va. — The National Electrical Manufacturers Association (NEMA) has published NEMA ICS 61800-6 TR-2015, Adjustable Speed Electrical Power Drive Systems, Part 6: Guide for Determination of ...

ROSSLYN, Va. — The National Electrical Manufacturers Association (NEMA) has announced the publication of NEMA ICS 7.2-2015 Application Guide for AC Adjustable Speed Drive Systems. This guide assists ...

In a speed controller, the motor’s speed (or velocity) is being controlled. There is an element that detects speed, whether it be a tachometer or some sort of encoder. This monitoring element provides ...

Choosing the right motor and VFD type depends on a variety of factors, however, it is necessary to first look at how the characteristics of a motor change when the speed is reduced —Sponsored article ...