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...

The standard aims to consolidate AC and traction voltages within the industry and defines the following bands: band 1 - A.C. systems 100 V to 1...

One of the fundamental requirements of an alternating current distribution systems it to have the ability to change the magnitude of voltages.  It is more...

Exposure to time varying magnetic fields, from power frequencies to the gigahertz range can have harmful consequences.  A lot of research has been conducted...

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

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...

The term 'N+1' relates to redundancy and simply means that if you required 'N' items of equipment for something to work, you would have one additional...

Our cable sizing tool is one of the more popular tools on the site.  The tool enables cables to be sized in compliance with BS 7671 (the IEE Wiring Regulations...

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

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...