In three phase systems, the use of transformers with three windings (or legs) per side is common. These three windings are often connected in delta or...
This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...
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...
The mobile phone was born in 1973. They were the size of a brick and weighed a couple of kg, making them difficult to fit into your pocket. At a few thousand...
We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.
The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...
Visitors who like to type web address rather then click menus may be interested in how our URL structure works.
A couple of months ago I came Microsoft's OneNote and downloaded the 60 day free trail. Since then I have been using it regularly and now have a full license...
IEEE TV has a part series of videos on wind power and it's implication. For a really good overview to the technologies and issues around wind power, these...
The other day I was reading 'Night of the New Magicians' by Mary Pope Osborn with my son. The story is about a young boy and girl who travel back in time...
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