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

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

A lot of our members work in countries where PPE (personal protective equipment) is regulated or they work for companies/organizations which take employee...

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

I was reminded of Occam's Razor while reading a book. It's quite a simple principal of logic which has stood the test of time and is accepted as central...

Working in the vicinity of electrical equipment poses an hazard. In addition to electric shock hazard, fault currents passing through air causes Arc Flash...

‘Kept looking at a card, y’see? Kept looking at it. Welcome back Bottle. Gods below welcome home. The Crippled God A Tale of the Malazan Book of the...

Many questions sent in to the site are in connection with motor starting and in particular star-delta.  For all but the simplest application, there is...

Laplace transforms and their inverse are a mathematical technique which allows us to solve differential equations, by primarily using algebraic methods...

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