Battery Cars A to Z  

Anyone specifying or using electric motors should have a basic understanding how the insulation is related to temperature. Three classes of insulation...

American inventor Thomas Alva Edison was born in Milan, Ohio on February 11, 1847. He was the youngest of seven children and received little formal schooling...

Electric motors are one of the most widely used items of electrical equipment. Improving motor efficiency benefits include, reduced power demand, lower...

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

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

One of the fundamental requirements of an alternating current distribution systems it to have the ability to change the magnitude of voltages.  It is more...

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

There are a lot of interesting two page type notes on various medium voltage topics – switchgear, circuit breakers, bus systems etc. It is on the Siemens...

Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...

A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...