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

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...

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

I received this question by email a few weeks. First thoughts was that it is a product of the mathematics of rotating a straight conductor in a magnetic...

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...

When sizing cables, the heat generated  by losses within any sheath or armour need to be evaluated. When significant, it becomes a factor to be considered...

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

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

Bored at work and would rather be playing trump card game with you son. The next best thing (or not) maybe the online cable trump card game from AEI Cables...

Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...