Using software in our  work is essential for most of us and we are becoming even more dependant on it's use.  While software is a great asset, many times...

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 ...

A fundamental concept behind the operation of alternating current systems is that voltage and current waveforms will be sinusoidal – a Sine Wave. This...

The European Union is implementing a voluntary code of practice for participants with the aim of improving the overall efficiency of data centres. As part...

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

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

In 2011, with the introduction of it’s Panda search ranking algorithms, Google introduced tools for determining the original author of posts.  The intention...

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...

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 calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...