A battery consists of one or more cells, each of which use stored chemical energy to produce electrical energy, There are many types of cells and these...

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

Electromagnetic compatibility (EMC) is the study of coordinating electromagnetic fields give off equipment, with the withstand (compatibility) of other...

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...

I was having a conversation the other day about voltage levels.  While everyone was in agreement that low voltage was 1000 V and less, there was more confusion...

HTML supports a variety of entity symbols which can be entered using either numbers or an entity name.  The number or name is preceded by the ‘&’ sign...

Installation of a UPS can help in reducing problems due to issues with the power supply.  A lot of people relate this to nine key issues.  Depending on...

Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...

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