Current transformers (CTs) are used to convert high level currents to a smaller more reasonable level for use as inputs to protection relays and metering...

Electrical engineering is a field that covers a wide variety of sub-fields, including electricity and electronics. It is a field that goes back to the...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

Various techniques exist to enable the correct selection of batteries for UPS applications.  The procedure described below is one of the more common. ...

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...

American inventor Thomas Alva Edison was born in Milan, Ohio on February 11, 1847. He was the youngest of seven children and received little formal schooling...

This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...