In three phase systems, the use of transformers with three windings (or legs) per side is common.  These three windings are often connected in delta or...

Often us engineers get so bogged down in equations, using software, producing drawings and writing specifications that this becomes the sole focus.   ...

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

Earthing of electrical systems is essential for the correct functioning and the protecting of life and equipment in the event of faults.  The earth electrode...

We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations...

Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

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

Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...

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...

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...