Capacitors have numerous applications in electrical and electronic applications.  This note examines the use of capacitors to store electrical energy....

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

Multimeters are undoubtedly the most common item of electrical test equipment in use.  Often it is the first piece of equipment people will turn to when...

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

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

Our question and answer system while letting you do exactly what it says, is much more.  It is a dynamic user driven system, where our users not only ask...

IEEE TV has a part series of videos on wind power and it's implication. For a really good overview to the technologies and issues around wind power, these...

IEC 60228 is the International Electrotechnical Commission's international standard on conductors of insulated cables. Among other things, it defines a...

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...

In an earlier note on the site [Photovoltaic (PV) - Electrical Calculations], the theory of solar (PV) cell calculations was introduced.  In particular...