Fundamental electrical engineering concepts and theory
Traditionally substations have used circuit breakers, current transformers (CT), voltage transformers (VT) and protection relays all wired together using...
Our IEE cable sizing was wrote a few years ago and had become rough around the edges. I thought it was time to give the tool a service. Unfortunately when...
Most installations involve some form of lightning protection system which is connected to an earth electrode. The function of the earth electrode is to...
Electromagnetic compatibility (EMC) is the study of coordinating electromagnetic fields give off equipment, with the withstand (compatibility) of other...
When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...
Capacitors have numerous applications in electrical and electronic applications. This note examines the use of capacitors to store electrical energy....
We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations...
One of the requirements to ensuring that everything works is to have equipment selected, manufactured and verified [tested] to IEC standards. Not all equipment...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
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...
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