The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...

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...

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...

There are a lot of interesting two page type notes on various medium voltage topics – switchgear, circuit breakers, bus systems etc. It is on the Siemens...

It's been a busy few months on different projects or busy couple of decades depending on how I look at it. I can say that on the odd (frequent) occasion...

The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

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

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...

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