Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...

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

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

Traditionally substations have used circuit breakers, current transformers (CT), voltage transformers (VT) and protection relays all wired together using...

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

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...

Installation of a UPS can help in reducing problems due to issues with the power supply.  A lot of people relate this to nine key issues.  Depending on...

Estimating maximum demand is a topic frequently discussed. Working out how much power to allow for a building can be very subjective . Allowing too much...

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...

Recently I have seen a few interesting articles on viable cold fusion; the combining of atoms at room like temperatures to create boundless energy. Now...