Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...

It starts with me reading one of the Horrible History books with my son (Groovy Greeks). Arrows were mentioned which lead to the discussion of the bodkin...

In 2011, with the introduction of it’s Panda search ranking algorithms, Google introduced tools for determining the original author of posts.  The intention...

Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...

If you have a great idea or invent something the last thing you want is someone to steal the idea. One of the things you can do is protect the intellectual...

myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...

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...

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.

Carrying out a protection system discrimination study is critical to ensure the correct functioning of  the electrical system in the event of faults. ...

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