Cable insulation is used to provide electrical separation between conductors of  a cable.  During the historical development of cables, numerous types...

In three phase systems, the use of transformers with three windings (or legs) per side is common.  These three windings are often connected in delta or...

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

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...

Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

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...

A frequent problem in fault calculations is the obtaining of equipment parameters.  While it is always preferable to use the actual parameters of the equipment...

Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...

Straight forward list of some common motor faults.  If I have missed any other common faults, please take a bit of time to add them in as a comment below...

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...