The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.

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

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

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

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

Ever wondered what kind of power an aircraft uses when parked at the airport stand. Normally the aircraft generates it own power, but when parked with...

In a previous article I looked at the dc resistance of conductors and in this article we turn our attention to ac resistance. If you have not read the...

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

Induction motors are frequently used in both industrial and domestic applications.  Within the induction motor, an electrical current in the rotor is induced...

In electrical engineering, Network Theory is the study of how to solve circuit problems. By analyzing circuits, the engineer looks to determine the various...