Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...
When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...
Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy. Every year more and more PV systems are installed...
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...
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...
Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...
We've been sending out Newsletters on a regular basis for a few weeks now. To do this we have been using Google's Feedburner service. While Feedburner...
Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...
Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...
A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...
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