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...
Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...
Battery powered cars are a hot topic and widely debated. The pros, cons, issues and time frames can be talked about endlessly. An article by the Telegraph...
I've been considering a blog on the 110 or 230 Volt issue for a while. While browsing the Internet I came across a great summary by Borat over at engineering...
Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...
GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:
IEC 62305 'Protection against lightning' requires a risk assessment be carried out to determine the characteristics of any lightning protection system...
I was having a conversation the other day about voltage levels. While everyone was in agreement that low voltage was 1000 V and less, there was more confusion...
Electrical engineering has a multitude of laws and theorems. It is fair to say the Ohm's Law is one of the more widely known; it not the most known. Developed...
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