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...

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.

I've recently come across this question a couple times browsing the internet. Decided to give a quick answer here. A rectifier transformer is a transformer...

If you have no idea how electrical circuits work, or what people mean then they talk about volts and amps, hopefully I can shed a bit light.  I’m intending...

Power factor is the ratio between the real power (P in kW) and apparent power (S in kVA) drawn by an electrical load. The reactive power (Q in kVAr)...

Anyone specifying or using electric motors should have a basic understanding how the insulation is related to temperature. Three classes of insulation...

Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

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...

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...

The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...