The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...

Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

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

If you have a great idea or invent something the last thing you want is someone to steal the idea. One of the things you can do is protect the intellectual...

How often installations are inspected is up to the owner of the installation, provided such durations do not exceed any regulatory maximums in force. ...

Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy.  Every year more and more PV systems are installed...

Photovoltaic (PV) systems are typically more efficient when connected in parallel with a main power gird. During periods when the PV system generates energy...

The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...

The International System of Units (abbreviated SI) is the world's most widely used system of units.  The system consists of a set of units and prefixes...