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

"I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wrong...

Coils of wire on the rotor carry a d.c. current which generates a magnetic field. A stator magnetic field is created using either permanent magnets or...

Our IEE cable sizing was wrote a few years ago and had become rough around the edges. I thought it was time to give the tool a service. Unfortunately when...

There are a lot of interesting two page type notes on various medium voltage topics – switchgear, circuit breakers, bus systems etc. It is on the Siemens...

Request to look at induction motor starting time have come up a few times on the site. Hopefully in this post, I give you guys some idea on how to calculate...

myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...

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

Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...