The European Union is implementing a voluntary code of practice for participants with the aim of improving the overall efficiency of data centres. As part...

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...

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...

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

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

Control theory looks at how systems work and are controlled from a mathematical view.  This note gives a brief introduction to some of the concepts – more...

Per unit fault calculations is a method whereby system impedances and quantities are normalised across different voltage levels to a common base.  By removing...

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

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view: