The IET site has a video of a visit showing of a high tech meeting room developed at Napier University in Edinburgh. It a good demonstration of innovative...

When current flows within a wire, a magnetic field is created. The potion of this magnetic field perpendicular to the wire is called the magnetic flux...

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

If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...

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

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Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...

The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...