Variable frequency drives are widely used to control the speed of ac motors.  This note looks at the mechanisms which enable drive units to control the...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

While not as popular as it once was, frame leakage protection does still have some use in some circumstances.  In essence frame leakage is an earth fault...

Delum, who had watched all in silence, his face empty of expression, now spoke in turn. ' "Lead us, Warleader, into glory."' Reading is something I do...

If you have no idea how electrical circuits work, or what people mean then they talk about volts and amps, hopefully I can shed a bit light.  I’m intending...

We've been sending out Newsletters on a regular basis for a few weeks now. To do this we have been using Google's Feedburner service. While Feedburner...

GE's latest thinking on product manufacturing is he Shingijutsu philosophy or Lean production system. They have started applying this at the Louisville...