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

From the earliest times, humans have found ways to create light. Pre-historic peoples used natural materials (moss, grass, etc.) soaked in animal fat and...

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...

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

This morning I was explaining how differential protection works to a junior engineer. To give him something to read I opened up the NPAG (Network Protection...

Just added a page to the tools, which will allow you to calculate the synchronous speed, slip and rated torque for an induction motor. Not a particularly...

myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...

It wasn't so long ago I was telling someone that I don't use rules of thumb as most things are easily calculated anyhow.   As it turns out I last week...

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...