Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...
This morning I was explaining how differential protection works to a junior engineer. To give him something to read I opened up the NPAG (Network Protection...
GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:
Various techniques exist to enable the correct selection of batteries for UPS applications. The procedure described below is one of the more common. ...
MIT OpenCourseWare, makes the materials used in teaching all MIT subjects available on the Web, free of charge, to any user in the world.
When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...
How often installations are inspected is up to the owner of the installation, provided such durations do not exceed any regulatory maximums in force. ...
If your are ever called out to troubleshoot something on your electrical system, one of the first things consider is the supply voltage. You want to ensure...
Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...
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...
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