Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...
The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...
A lot of our members work in countries where PPE (personal protective equipment) is regulated or they work for companies/organizations which take employee...
If you are wondering what happened to our cable notes, the short answer is that we have moved them to myCableEngineering.com. The "Knowledge Base" at...
We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations...
This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...
Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...
Exposure to time varying magnetic fields, from power frequencies to the gigahertz range can have harmful consequences. A lot of research has been conducted...
Using software in our work is essential for most of us and we are becoming even more dependant on it's use. While software is a great asset, many times...
If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...
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