A lot of our members work in countries where PPE (personal protective equipment) is regulated or they work for companies/organizations which take employee...

I've recently come across this question a couple times browsing the internet. Decided to give a quick answer here. A rectifier transformer is a transformer...

Control theory looks at how systems work and are controlled from a mathematical view.  This note gives a brief introduction to some of the concepts – more...

The new standard IEC 61439 replaces the old 60439. Compared to the old standard, the new 61439 is a more clearly defined and takes into account the assembly...

IEEE TV has a part series of videos on wind power and it's implication. For a really good overview to the technologies and issues around wind power, these...

If you have no idea how electrical circuits work, or what people mean then they talk about volts and amps, hopefully I can shed a bit light.  I’m intending...

I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...

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

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.

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