Various techniques exist to enable the correct selection of batteries for UPS applications.  The procedure described below is one of the more common. ...

Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy.  Every year more and more PV systems are installed...

Battery powered cars are a hot topic and widely debated. The pros, cons, issues and time frames can be talked about endlessly. An article by the Telegraph...

IEC 60287 "Calculation of the continuous current rating of cables (100% load factor)" is the International Standard which defines the procedures and equations...

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

Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...

Most installations involve some form of lightning protection system which is connected to an earth electrode.  The function of the earth electrode is to...

In electrical engineering, Network Theory is the study of how to solve circuit problems. By analyzing circuits, the engineer looks to determine the various...

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

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...