Electromagnetic compatibility (EMC) is the study of coordinating electromagnetic fields give off equipment, with the withstand (compatibility) of other...
Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...
For the past few years I have reading eBooks on my HTC touch phone. On and off I have debated buying an eReader and recently purchased a Sony PRS-300 ...
Most installations involve some form of lightning protection system which is connected to an earth electrode. The function of the earth electrode is to...
Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...
Just added a page to the tools, which will allow you to calculate the synchronous speed, slip and rated torque for an induction motor. Not a particularly...
Years ago I was told that you should always try to write the best report you can. Many years later I still think on this as one of the better pieces of...
Traditionally substations have used circuit breakers, current transformers (CT), voltage transformers (VT) and protection relays all wired together using...
Coils of wire on the rotor carry a d.c. current which generates a magnetic field. A stator magnetic field is created using either permanent magnets or...
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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