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...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...

Traditionally generation of electricity has involved rotating machines to produce alternating sinusoidal voltage and current (a.c. systems). With the development...

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...

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

Our cable sizing tool is one of the more popular tools on the site.  The tool enables cables to be sized in compliance with BS 7671 (the IEE Wiring Regulations...

While there are a vast array of cable insulation materials, these are often divided into two general types; Thermoplastic or Thermosetting. For example...

Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

Induction motors are frequently used in both industrial and domestic applications.  Within the induction motor, an electrical current in the rotor is induced...