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...

If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...

Estimating maximum demand is a topic frequently discussed. Working out how much power to allow for a building can be very subjective . Allowing too much...

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

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.

Capacitors have numerous applications in electrical and electronic applications.  This note examines the use of capacitors to store electrical energy....

When selecting a generator, there are inherent limits on the active and reactive power which can be delivered. Generators are normally sized for a certain...

If you have a great idea or invent something the last thing you want is someone to steal the idea. One of the things you can do is protect the intellectual...

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...

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...