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

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

I've recently come across this question a couple times browsing the internet. Decided to give a quick answer here. A rectifier transformer is a transformer...

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

Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...

Installation of a UPS can help in reducing problems due to issues with the power supply.  A lot of people relate this to nine key issues.  Depending on...

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

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...

The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...