Fundamental electrical engineering concepts and theory
Many questions sent in to the site are in connection with motor starting and in particular star-delta. For all but the simplest application, there is...
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...
Capacitors have numerous applications in electrical and electronic applications. This note examines the use of capacitors to store electrical energy....
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...
Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...
Earthing of electrical systems is essential for the correct functioning and the protecting of life and equipment in the event of faults. The earth electrode...
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...
If two dissimilar metals are touching and an external conducting path exists, corrosion of one the metals can take place. Moisture or other materials...
This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...
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...
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