A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...

The other day I was talking to a colleague who is a building services consultant.  Despite regularly specifying dry-type/cast resin transformers he was...

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

Capacitors have numerous applications in electrical and electronic applications.  This note examines the use of capacitors to store electrical energy....

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

One of the comments on my Motor Starting Series was asking for something on duty cycles. Here it is. As a purchaser of a motor, you have responsibility...

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...

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...

Estimating maximum demand is a topic frequently discussed. Working out how much power to allow for a building can be very subjective . Allowing too much...

When selecting a generator, there are inherent limits on the active and reactive power which can be delivered. Generators are normally sized for a certain...