Fundamental electrical engineering concepts and theory
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A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...
A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...
Our IEE cable sizing was wrote a few years ago and had become rough around the edges. I thought it was time to give the tool a service. Unfortunately when...
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...
In electrical engineering, Network Theory is the study of how to solve circuit problems. By analyzing circuits, the engineer looks to determine the various...
Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
Variable frequency drives are widely used to control the speed of ac motors. This note looks at the mechanisms which enable drive units to control the...
Over recent years the Lithium Ion battery has become popular in applications requiring high power densities with small weight and footprint. Today Lithium...
If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...
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