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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A UPS is an uninterruptible power supply.  It is a device which maintains a continuous supply of electrical power, even in the event of failure of the...

One of the fundamental requirements of an alternating current distribution systems it to have the ability to change the magnitude of voltages.  It is more...

Famed English chemist and physicist Michael Faraday was born on September 22, 1791, in Newington Butts, a suburb of Surrey just south of the London Bridge...

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...

We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.

If you are working on a large plan, get the real coordinates [latitude, longitude] for two or more points and add them to the drawing. That way you can...

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