IEC 62305 'Protection against lightning' requires a risk assessment be carried out to determine the characteristics of any lightning protection system...

Nikola Tesla was born exactly at midnight on July 10, 1856 in the tiny village of Smiljan, Lika in Croatia. In his late teens, Tesla left the village to...

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...

Gauss's Electrical law defines the relation between charge ("Positive" & "Negative") and electric field.  The law was initially formulated by Carl Friedrich...

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

Dielectrics (insulating materials for example) when subjected to a varying electric field, will have some energy loss.   The varying electric field causes...

Capacitors are widely used in electrical engineering for functions such as energy storage, power factor correction, voltage compensation and many others...

A UPS is an uninterruptible power supply.  It is a device which maintains a continuous supply of electrical power, even in the event of failure of the...

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

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...