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...

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

MIT OpenCourseWare, makes the materials used in teaching all MIT subjects available on the Web, free of charge, to any user in the world.

If you are working on a large plan, get the real coordinates [latitude, longitude] for two or more points and add them to the drawing. That way you can...

Over recent years the Lithium Ion battery has become popular in applications requiring high power densities with small weight and footprint.  Today Lithium...

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

Capacitors have numerous applications in electrical and electronic applications.  This note examines the use of capacitors to store electrical energy....

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

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...