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

At the beginning of the year China put the world's first 1,000 kV UHV transmission system into operation. Transmitting power at over a million volts is...

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

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...

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

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...

If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...

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

In 2011, with the introduction of it’s Panda search ranking algorithms, Google introduced tools for determining the original author of posts.  The intention...

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...