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

When sizing cables nearly, everyone uses some form of software. This ranges from homespun spreadsheets to complex network analyses software. Each has its...

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

Before the technical, some general information. E-ink display are found in a lot of e-readers, some mobile phones and similar devices and the intent is...

This morning I was explaining how differential protection works to a junior engineer. To give him something to read I opened up the NPAG (Network Protection...

Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

Straight forward list of some common motor faults.  If I have missed any other common faults, please take a bit of time to add them in as a comment below...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.

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