Low voltage (LV) switchrooms are common across all industries and one of the more common spatial requirements which need to be designed into a project...

A couple of months ago I came Microsoft's OneNote and downloaded the 60 day free trail. Since then I have been using it regularly and now have a full license...

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

Using laser optical pulses the random number generator utilizes the time between arrival of random photos to generate the numbers, ensuring true accuracy...

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 standard aims to consolidate AC and traction voltages within the industry and defines the following bands: band 1 - A.C. systems 100 V to 1...

The new standard IEC 61439 replaces the old 60439. Compared to the old standard, the new 61439 is a more clearly defined and takes into account the assembly...

The image (reproduced from IEC 60909) shows a typical fault in an ac system.  From the illustration it can seen that there is an initial dc component ...

Request to look at induction motor starting time have come up a few times on the site. Hopefully in this post, I give you guys some idea on how to calculate...

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...