Electrical and related buildings technology
Cable insulation is used to provide electrical separation between conductors of a cable. During the historical development of cables, numerous types...
I received this question by email a few weeks. First thoughts was that it is a product of the mathematics of rotating a straight conductor in a magnetic...
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...
Earthing of electrical systems is essential for the correct functioning and the protecting of life and equipment in the event of faults. The earth electrode...
Electrical engineering has a multitude of laws and theorems. It is fair to say the Ohm's Law is one of the more widely known; it not the most known. Developed...
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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I think this post is going to be helpful to several of our readers. While the IEC low voltage circuit breaker Standard [IEC 60947-2, Low voltage switchgear...
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...
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