This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...

Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy.  Every year more and more PV systems are installed...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...

Using laser optical pulses the random number generator utilizes the time between arrival of random photos to generate the numbers, ensuring true accuracy...

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

In the previous note we looked at the approach taken by the standard to the sizing of cables and illustrated this with an example.  We then looked at one...

IEEE TV has a part series of videos on wind power and it's implication. For a really good overview to the technologies and issues around wind power, these...

I'm a fan of using manufacturers catalogues. There are two main reasons for this. Firstly, if your involved in the purchase of equipment, you will likely...

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

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...