How to Reverse the Direction of a Three Phase Induction Motor

How to reverse the direction of a three-phase induction motor. Reversing the direction of a three phase Induction Motor is useful in a number of situations. For example in a electric winch or elvevator (lift), there is a requirement for the motor to reverse.   To reverse a three phase induction motor, swap over any …

Phasing Out – Three Phase Induction Motors – on ships

Phasing out a Three Phase Induction motor, onboard ships (or on land)  is the process of identifying both ends of each of the three stator coils (3 phase motor). 'Phasing Out' pic.twitter.com/RMLqyjbs0u — Craig Miles (@acraigmiles) October 17, 2016

What have Oranges got to do with Radios?

pic.twitter.com/T8tdVmbur3 — Craig Miles , City & Guilds, PGCE etc (@acraigmiles) October 17, 2016 I once read an article by an educational research group that stated that students would retain facts better if two UNRELATED objects were put together in the picture. Based on this article I decided to put fresh oranges in the background …

Insulation Resistance Tester

Insulation resistance tester is a piece of test equipment, used to test insulation resistance between connections. One use of the tester is to test three-phase AC induction motor stators. A stator in a three phase induction motor consists of three sets of tightly wound coils. The coils are wound together and next to each other, …

Electrical fault finding Experience

Fault Finding Experience Experience of electrical fault finding Marine electrical & electronic systems (both practical & also teaching electro-technical officers &  Cadets in Marine Industry. Marine permit to Work Procedures. Fault finding of Single & Three Phase electrical systems used both on Marine environments (Insulated Neutral), and land based Star & Delta based systems. Experience …

Blue is the colour

According to some research I read recently, most adults prefer the colour blue. This is why it is a popular colour for logo design and company advertising. Have a look round and put this to the test. Think Facebook for instance. Blue is considered to signify calmness and strength, whereas the colour red signifies danger …

Test Marketing changes since my marketing degree in the late 90s

When I did a marketing degree in the late 1990s, I remember being taught about researching the market through things like focus groups and surveys of the target market. This approach is still valid, and gets fast results, however in the internet age there is a cheaper alternative way to find out if your product …