Current transformers (CTs) are used to convert high level currents to a smaller more reasonable level for use as inputs to protection relays and metering...

Ever wondered what kind of power an aircraft uses when parked at the airport stand. Normally the aircraft generates it own power, but when parked with...

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

ABB has produced a range of technical guides that offer concise explanations of the major technologies and technical issues in low voltage AC drives. ...

The robot folding towels post below was interesting enough at the time to post a link.  Recently I’ve come across a couple of other interesting videos...

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

I'm a fan of using manufacturers catalogues. There are two main reasons for this. Firstly, if your involved in the purchase of equipment, you will likely...

The 27 km, Euro 6 billion  Collider lies on the border between France and Switzerland, took nearly 30 years to complete.  Some of the lofty goals for the...

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...