Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...
For the past few years I have reading eBooks on my HTC touch phone. On and off I have debated buying an eReader and recently purchased a Sony PRS-300 ...
Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...
Electromechanical relays have been the traditional backbone of electrical protection systems. While over recent years these have been replaced by microprocessor...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
If your are ever called out to troubleshoot something on your electrical system, one of the first things consider is the supply voltage. You want to ensure...
From the earliest times, humans have found ways to create light. Pre-historic peoples used natural materials (moss, grass, etc.) soaked in animal fat and...
Power factor is the ratio between the real power (P in kW) and apparent power (S in kVA) drawn by an electrical load. The reactive power (Q in kVAr)...
Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...
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...
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