Fundamental electrical engineering concepts and theory
This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...
Fire resistant and fire retardant cable sheaths are design to resist combustion and limit the propagation of flames. Low smokes cables have a sheath designed...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
ABB has produced a range of technical guides that offer concise explanations of the major technologies and technical issues in low voltage AC drives. ...
Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...
This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...
Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...
The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...
Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...
Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...
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