Electrical equipment - design, use and implementation
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...
Bored at work and would rather be playing trump card game with you son. The next best thing (or not) maybe the online cable trump card game from AEI Cables...
Per unit fault calculations is a method whereby system impedances and quantities are normalised across different voltage levels to a common base. By removing...
Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...
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...
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...
When sizing cables, the heat generated by losses within any sheath or armour need to be evaluated. When significant, it becomes a factor to be considered...
This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...
We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.
Many questions sent in to the site are in connection with motor starting and in particular star-delta. For all but the simplest application, there is...
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