Electrical and related buildings technology
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...
Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...
The (relatively new) switchgear and control gear standard, IEC 61439 'Low-voltage switchgear and controlgear assemblies' has three methods which can be...
When sizing cables nearly, everyone uses some form of software. This ranges from homespun spreadsheets to complex network analyses software. Each has its...
In three phase systems, the use of transformers with three windings (or legs) per side is common. These three windings are often connected in delta or...
Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...
If you are wondering what happened to our cable notes, the short answer is that we have moved them to myCableEngineering.com. The "Knowledge Base" at...
It wasn't so long ago I was telling someone that I don't use rules of thumb as most things are easily calculated anyhow. As it turns out I last week...
I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...
Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...
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