Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

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

‘Kept looking at a card, y’see? Kept looking at it. Welcome back Bottle. Gods below welcome home. The Crippled God A Tale of the Malazan Book of the...

Many medium voltage (MV) indoor switchgear rooms  exist worldwide. The complexity of these rooms varies considerably depending on location, function and...

Control theory looks at how systems work and are controlled from a mathematical view.  This note gives a brief introduction to some of the concepts – more...

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

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

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...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...