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Printing Design Drawing in A3 Paper Size

It is now a norm to use A3 paper when printing design drawings as it has so many economic advantages. Firstly, A3 printers are now very affordable, even for colored laser printers. The cost of…


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GMD, GMR and Waterfall Charts

Waterfall charts are useful tools in design when there is a very wide range of possibilities and that something needs to be done. A good example of this is cable selection. A waterfall chart for…


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IEC 60076-5 Transformer Impedances

IEC 60076-5:2000 Power transformers – Part 5: Ability to withstand short circuit recommends a minimum impedance for transformers. Unlike other standards such as the IEEE or AS which recommends typical values, IEC recommends minimum values….


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Electrical Power System Studies

Power system studies vary significantly on each design process depending on the purpose of the project. It would be better to have a complete study on your project rather than having missed one or two…



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What’s In A Name?

In the projects that I am current working for, I got three people whose names I usually interchange. The first is Gordon Scott, a mechanical engineer doing technical reviews on the project. The second is…


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