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...

Two driverless and solar power vans have departed from Italy on their way to China via the silk road. During the 13,000 kM trip the vans will drive themselves...

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...

The other day I was talking to a colleague who is a building services consultant.  Despite regularly specifying dry-type/cast resin transformers he was...

Here’s list of some famous scientists. Deliberately short, with the aim to provide a quick memory jog or overview. If your looking for more detailed information...

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

Ever wondered what kind of power an aircraft uses when parked at the airport stand. Normally the aircraft generates it own power, but when parked with...

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.

Delum, who had watched all in silence, his face empty of expression, now spoke in turn. ' "Lead us, Warleader, into glory."' Reading is something I do...

In three phase systems, the use of transformers with three windings (or legs) per side is common.  These three windings are often connected in delta or...