In three phase systems, the use of transformers with three windings (or legs) per side is common.  These three windings are often connected in delta or...

Straight forward list of some common motor faults.  If I have missed any other common faults, please take a bit of time to add them in as a comment below...

GE's latest thinking on product manufacturing is he Shingijutsu philosophy or Lean production system. They have started applying this at the Louisville...

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

Current transformers (CTs) are used to convert high level currents to a smaller more reasonable level for use as inputs to protection relays and metering...

The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

In the previous note we looked at the approach taken by the standard to the sizing of cables and illustrated this with an example.  We then looked at one...

It starts with me reading one of the Horrible History books with my son (Groovy Greeks). Arrows were mentioned which lead to the discussion of the bodkin...

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...