Fundamental electrical engineering concepts and theory
Anyone specifying or using electric motors should have a basic understanding how the insulation is related to temperature. Three classes of insulation...
Our cable sizing tool is one of the more popular tools on the site. The tool enables cables to be sized in compliance with BS 7671 (the IEE Wiring Regulations...
Years ago I was told that you should always try to write the best report you can. Many years later I still think on this as one of the better pieces of...
I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...
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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...
In an earlier note on the site [Photovoltaic (PV) - Electrical Calculations], the theory of solar (PV) cell calculations was introduced. In particular...
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Per unit fault calculations is a method whereby system impedances and quantities are normalised across different voltage levels to a common base. By removing...
When thinking about watts (W) or kilowatt (kW = 1000 W) it can be useful too keep in mind the fundamental ideas behind the unit. Watt is not a pure electrical...
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