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On a factory acceptance test day the readings usually pass. The column that deserves attention is the one beside them: […]

Two MV switchgear offers can sit side by side with the same headline line — 12 kV, 630 A, 25 […]

A compact substation has no catalogue price, and the reason is arithmetic rather than sales policy. The transformer, the MV […]

Two enquiries can carry the same first line — 2,000 kVA, 10 kV primary, rectifier duty — and not be […]

Put a vector group on a drawing and most people read it as a label. Dyn11 states something exact: the […]

Take one bolted joint, small enough to cover with a hand. Six 200 x 8 mm copper bars land on […]

Take a situation that comes up often in expansion projects. A plant builds hall one now and hall two two […]

In Bangladesh the substation is usually decided before the transformer is: how high the plinth sits, where the water goes, […]

The cast resin versus oil-immersed question gets answered by building layout more often than by electrical argument. In Vietnam the […]

The first question to answer on a Nigerian feeder is not the kVA rating — it is how far the […]