Electrical and related buildings technology
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
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...
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...
While not as popular as it once was, frame leakage protection does still have some use in some circumstances. In essence frame leakage is an earth fault...
Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...
The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.
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...
A UPS is an uninterruptible power supply. It is a device which maintains a continuous supply of electrical power, even in the event of failure of the...
Electrical engineering has a multitude of laws and theorems. It is fair to say the Ohm's Law is one of the more widely known; it not the most known. Developed...
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 ...
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