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

I think this post is going to be helpful to several of our readers. While the IEC low voltage circuit breaker Standard [IEC 60947-2, Low voltage switchgear...

A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...

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

Sometimes it’s useful to be able to quickly lookup a piece of technical information.  This note is a collection of information related to motors, and in...

Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

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...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

Gauss's Electrical law defines the relation between charge ("Positive" & "Negative") and electric field.  The law was initially formulated by Carl Friedrich...

A frequent problem in fault calculations is the obtaining of equipment parameters.  While it is always preferable to use the actual parameters of the equipment...