Various arguments exist around SF6 Gas Insulated (GIS) and Air Insulated (AIS) medium voltage switchgear. Recently we had to change a GIS design to AI...

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

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...

While there are a vast array of cable insulation materials, these are often divided into two general types; Thermoplastic or Thermosetting. For example...

myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...

Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...

Traditionally generation of electricity has involved rotating machines to produce alternating sinusoidal voltage and current (a.c. systems). With the development...

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

Most installations involve some form of lightning protection system which is connected to an earth electrode.  The function of the earth electrode is to...

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...