Fundamental electrical engineering concepts and theory
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 ...
Cable insulation is used to provide electrical separation between conductors of a cable. During the historical development of cables, numerous types...
One of the comments on my Motor Starting Series was asking for something on duty cycles. Here it is. As a purchaser of a motor, you have responsibility...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
When looking at the design of a lighting scheme it is useful to have an understanding on the nature of light itself and some of the basic theory associated...
Installation of a UPS can help in reducing problems due to issues with the power supply. A lot of people relate this to nine key issues. Depending on...
This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...
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...
I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...
Various arguments exist around SF6 Gas Insulated (GIS) and Air Insulated (AIS) medium voltage switchgear. Recently we had to change a GIS design to AI...
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