Getting Started with Patents 

For the past few years I have reading eBooks on my HTC touch phone. On and off I have debated buying an eReader and recently purchased a Sony PRS-300 ...

Coils of wire on the rotor carry a d.c. current which generates a magnetic field. A stator magnetic field is created using either permanent magnets or...

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

If your are ever called out to troubleshoot something on your electrical system, one of the first things consider is the supply voltage. You want to ensure...

Estimating maximum demand is a topic frequently discussed. Working out how much power to allow for a building can be very subjective . Allowing too much...

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

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

Electromechanical relays have been the traditional backbone of electrical protection systems.  While over recent years these have been replaced by microprocessor...

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.

Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...