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...

The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...

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

When looking at the design of a lighting scheme it is useful to have an understanding on the nature of light itself and some of the basic theory associated...

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...

Using laser optical pulses the random number generator utilizes the time between arrival of random photos to generate the numbers, ensuring true accuracy...

Famed English chemist and physicist Michael Faraday was born on September 22, 1791, in Newington Butts, a suburb of Surrey just south of the London Bridge...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

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

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...