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4hv.org :: Forums :: High Voltage
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Genarator history sleauth needed

Move Thread LAN_403
radiotech
Mon May 17 2010, 07:42PM Print
radiotech Registered Member #2463 Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
This old paperweight has the label typed on sticker:

SECTION OF COIL FROM
SHIPSHAW 75,000 KVA G.E.
GEN. NO. 5, DEC. 1949. NEW
COIL INSTALLED JULY 1943

How can the voltage of this machine be found? The station was one of the largest in the world and the electricity was used to make aircraft for the war.
1274125293 2463 FT0 Shipshawcoil

1274125293 2463 FT0 Shipshawlabel
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Steve Conner
Tue May 18 2010, 10:46AM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Googling Shipshaw says that it was an aluminium smelter in Quebec.

So the answer is probably a few thousand volts DC at a colossal amperage, because that's what you need to make aluminium.

We have one of the world's smallest aluminium works, with only 65MW and 175,000 amps. Link2

There used to be three, but two of them got converted to power stations.
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radiotech
Tue May 18 2010, 01:44PM
radiotech Registered Member #2463 Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
That power station in Kinlochleven is beautiful. Everything in order. I'll bet the engineers wear a proper uniform while working in there. Getting the Shipshaw papers is hard because IEEE wants $30. for the old papers.
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Steve Conner
Tue May 18 2010, 02:16PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Have you got a reference for the papers you want? I might be able to turn up something through the university.
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