When thinking about watts (W) or kilowatt (kW = 1000 W) it can be useful too keep in mind the fundamental ideas behind the unit. Watt is not a pure electrical...

At the beginning of the year China put the world's first 1,000 kV UHV transmission system into operation. Transmitting power at over a million volts is...

Sometimes it’s useful to be able to quickly lookup a piece of technical information.  This note is a collection of information related to motors, and in...

Low voltage (LV) switchrooms are common across all industries and one of the more common spatial requirements which need to be designed into a project...

In an earlier note on the site [Photovoltaic (PV) - Electrical Calculations], the theory of solar (PV) cell calculations was introduced.  In particular...

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

Most installations involve some form of lightning protection system which is connected to an earth electrode.  The function of the earth electrode is to...

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

Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

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