Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

Exposure to time varying magnetic fields, from power frequencies to the gigahertz range can have harmful consequences.  A lot of research has been conducted...

We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations...

In an earlier note on the site [Photovoltaic (PV) - Electrical Calculations], the theory of solar (PV) cell calculations was introduced.  In particular...

The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...

Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...

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...

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

MIT OpenCourseWare, makes the materials used in teaching all MIT subjects available on the Web, free of charge, to any user in the world.

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.