Fundamental electrical engineering concepts and theory
A frequent problem in fault calculations is the obtaining of equipment parameters. While it is always preferable to use the actual parameters of the equipment...
Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
IEC 62305 'Protection against lightning' requires a risk assessment be carried out to determine the characteristics of any lightning protection system...
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Various techniques exist to enable the correct selection of batteries for UPS applications. The procedure described below is one of the more common. ...
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Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...
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...
The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.
GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:
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