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

How often installations are inspected is up to the owner of the installation, provided such durations do not exceed any regulatory maximums in force. ...

Electromagnetic compatibility (EMC) is the study of coordinating electromagnetic fields give off equipment, with the withstand (compatibility) of other...

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

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

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

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

I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...

Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy.  Every year more and more PV systems are installed...

Using software in our  work is essential for most of us and we are becoming even more dependant on it's use.  While software is a great asset, many times...