Fundamental electrical engineering concepts and theory
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Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...
Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...
The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal 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...
Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...
Famed English chemist and physicist Michael Faraday was born on September 22, 1791, in Newington Butts, a suburb of Surrey just south of the London Bridge...
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...
The new standard IEC 61439 replaces the old 60439. Compared to the old standard, the new 61439 is a more clearly defined and takes into account the assembly...
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