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Six phase electric supply.

Sparkingchip
db3fecfec837110019a09ec7585f1e33-huge-a72a8449-52a6-4c2f-b7dd-13b18ecd4933.jpg


This photo has appeared on my Facebook page.


I will let this run a bit then tell you where it is and who posted if if no one guesses, though I suspect at least one forum member will recognise it straightaway.


If I read it correctly it does say it has a six phase supply.


Andy Betteridge
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  • 0
    The rating plate is indeed from one of the ex Glen Road rectifiers. The transformers have a strange arrangement - it is a “centre-tapped star” arrangement, with the star point formed at the centre of the windings, giving a six phase output. For those that want to see the rectifier running, there is a short clip of it here: https://www.youtube.com/watch?v=yjMZ5qtyCUc&fbclid=IwAR0VkeNWzioV6VcuyzfoZb4VBGB_ryjTIgh5zcznhD3dmPaBSW_cYNJc1pg. Most of the noise is from the cooling fan in the base of the cabinet, which is just visible. It’s speed increased as the rectifier current increased. 


    Regards,


    Alan.
Reply
  • 0
    The rating plate is indeed from one of the ex Glen Road rectifiers. The transformers have a strange arrangement - it is a “centre-tapped star” arrangement, with the star point formed at the centre of the windings, giving a six phase output. For those that want to see the rectifier running, there is a short clip of it here: https://www.youtube.com/watch?v=yjMZ5qtyCUc&fbclid=IwAR0VkeNWzioV6VcuyzfoZb4VBGB_ryjTIgh5zcznhD3dmPaBSW_cYNJc1pg. Most of the noise is from the cooling fan in the base of the cabinet, which is just visible. It’s speed increased as the rectifier current increased. 


    Regards,


    Alan.
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