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The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...

Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...

A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

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...

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...

Gauss's Electrical law defines the relation between charge ("Positive" & "Negative") and electric field.  The law was initially formulated by Carl Friedrich...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...

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