Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

The mobile phone was born in 1973. They were the size of a brick and weighed a couple of kg, making them difficult to fit into your pocket. At a few thousand...

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

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

The inventor of the first visible light-emitting diode makes history again this year as it begins to show customers a 40-watt replacement GE Energy Smart...

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

In 2011, with the introduction of it’s Panda search ranking algorithms, Google introduced tools for determining the original author of posts.  The intention...

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

Over recent years the Lithium Ion battery has become popular in applications requiring high power densities with small weight and footprint.  Today Lithium...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...