In three phase systems, the use of transformers with three windings (or legs) per side is common.  These three windings are often connected in delta or...

If you are wondering what happened to our cable notes, the short answer is that we have moved them to myCableEngineering.com.  The "Knowledge Base" at...

American inventor Thomas Alva Edison was born in Milan, Ohio on February 11, 1847. He was the youngest of seven children and received little formal schooling...

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...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.

Installation of a UPS can help in reducing problems due to issues with the power supply.  A lot of people relate this to nine key issues.  Depending on...

When making adding a Note to our site we have a great online WYSIWYG editor and things are pretty simple.  However, if you prefer you can write, manage...

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:

Electrical engineering is a field that covers a wide variety of sub-fields, including electricity and electronics. It is a field that goes back to the...

Many questions sent in to the site are in connection with motor starting and in particular star-delta.  For all but the simplest application, there is...