This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

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

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...

Our IEE cable sizing was wrote a few years ago and had become rough around the edges. I thought it was time to give the tool a service. Unfortunately when...

The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...

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

Two driverless and solar power vans have departed from Italy on their way to China via the silk road. During the 13,000 kM trip the vans will drive themselves...

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...

Dielectrics (insulating materials for example) when subjected to a varying electric field, will have some energy loss.   The varying electric field causes...

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...