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...

Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...

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...

Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...

A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...

GE's latest thinking on product manufacturing is he Shingijutsu philosophy or Lean production system. They have started applying this at the Louisville...

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

Battery powered cars are a hot topic and widely debated. The pros, cons, issues and time frames can be talked about endlessly. An article by the Telegraph...

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:

In a previous article I looked at the dc resistance of conductors and in this article we turn our attention to ac resistance. If you have not read the...