While not as popular as it once was, frame leakage protection does still have some use in some circumstances.  In essence frame leakage is an earth fault...

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

Have an opinion or something to say, want to ask or answer questions, share your knowledge then use our site to do it . As a community of people interested...

Laplace transforms and their inverse are a mathematical technique which allows us to solve differential equations, by primarily using algebraic methods...

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

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...

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

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

Two driverless and solar power vans have departed from Italy on their way to China via the silk road. During the 13,000 kM trip the vans will drive themselves...

Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...