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#45539 12/01/04 07:31 PM
Joined: Nov 2004
Posts: 2
B
bigmac Offline OP
Junior Member
It's really clear situation for me with 110/230 voltage system. But on one canadian factory I meet 347/575 v. Usually to get 120 we use a transformer. So question is how the factory get this 575 V and 347 V. Thanx

#45540 12/01/04 07:43 PM
Joined: Dec 2001
Posts: 444
S
Member
The same way you guys get 480V and 277V.

347V is one phase of a 600V wye to ground.


edit - sorry, I thought this was from US poster. 120V/240V is found on a single phase system. 120V/208V is found on 3 phase system. 347V/600V also found on 3 phase system. With 600V coming into the premises, a xfmr is still needed to get 120V.

[This message has been edited by Sandro (edited 12-01-2004).]

[This message has been edited by Sandro (edited 12-01-2004).]


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