Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...

If you have no idea how electrical circuits work, or what people mean then they talk about volts and amps, hopefully I can shed a bit light.  I’m intending...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

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...

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...

The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...

For the past few years I have reading eBooks on my HTC touch phone. On and off I have debated buying an eReader and recently purchased a Sony PRS-300 ...

When current flows within a wire, a magnetic field is created. The potion of this magnetic field perpendicular to the wire is called the magnetic flux...

I received this question by email a few weeks. First thoughts was that it is a product of the mathematics of rotating a straight conductor in a magnetic...