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Tony S

Layton 3/2 transformer:

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Tony S

Layton 3/2 transformer:

 

Designed to balance a single phase load on three phase system and I’m confused by this transformer. It’s uneconomical as only ⅔rds of the transformers capacity is utilised. Three 20 kVA transformers can only deliver 40kVA.

 

Its saving grace is supposedly spreading a centre tapped single phase supply equally across a three phase supplly. This is a somewhat dubious claim as four out of the six secondary windings are only carrying √3 x 0.5 of the total current

 

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