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

Carrying out a protection system discrimination study is critical to ensure the correct functioning of  the electrical system in the event of faults. ...

Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...

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

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...

Cable insulation is used to provide electrical separation between conductors of  a cable.  During the historical development of cables, numerous types...

The term 'N+1' relates to redundancy and simply means that if you required 'N' items of equipment for something to work, you would have one additional...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

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

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...