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

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...

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

A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...

The 27 km, Euro 6 billion  Collider lies on the border between France and Switzerland, took nearly 30 years to complete.  Some of the lofty goals for the...

The other day I was talking to a colleague who is a building services consultant.  Despite regularly specifying dry-type/cast resin transformers he was...

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...

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

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