Power systems theory - generation, transmissions and distribution
Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.
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...
The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...
The other day I was talking to a colleague who is a building services consultant. Despite regularly specifying dry-type/cast resin transformers he was...
Most installations involve some form of lightning protection system which is connected to an earth electrode. The function of the earth electrode is to...
I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...
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...
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...
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