Fundamental electrical engineering concepts and theory
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Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...
The mobile phone was born in 1973. They were the size of a brick and weighed a couple of kg, making them difficult to fit into your pocket. At a few thousand...
Electromechanical relays have been the traditional backbone of electrical protection systems. While over recent years these have been replaced by microprocessor...
Various techniques exist to enable the correct selection of batteries for UPS applications. The procedure described below is one of the more common. ...
For the past few years I have reading eBooks on my HTC touch phone. On and off I have debated buying an eReader and recently purchased a Sony PRS-300 ...
Electric motors are one of the most widely used items of electrical equipment. Improving motor efficiency benefits include, reduced power demand, lower...
Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...
Our cable sizing tool is one of the more popular tools on the site. The tool enables cables to be sized in compliance with BS 7671 (the IEE Wiring Regulations...
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