IEC 62305 'Protection against lightning' requires a risk assessment be carried out to determine the characteristics of any lightning protection system...

It's been a busy few months on different projects or busy couple of decades depending on how I look at it. I can say that on the odd (frequent) occasion...

myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...

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

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

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...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

Our question and answer system while letting you do exactly what it says, is much more.  It is a dynamic user driven system, where our users not only ask...

Working in the vicinity of electrical equipment poses an hazard. In addition to electric shock hazard, fault currents passing through air causes Arc Flash...

A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...