Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...

The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.

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...

I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:

The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...

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...

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

Just added a page to the tools, which will allow you to calculate the synchronous speed, slip and rated torque for an induction motor. Not a particularly...

Traditionally generation of electricity has involved rotating machines to produce alternating sinusoidal voltage and current (a.c. systems). With the development...