[Amps] Transformer ?

[Jim W7RY]

Some info here:

http://www.electriciantalk.com/f9/120-240-volt-3-phase-delta-high-leg-5166/

73
Jim W7RY


> -----Original Message-----
> From: elespe at lisco.com
> Sent: Fri, 23 Jul 2010 21:33:34 -0500
> To: amps at contesting.com
> Subject: [Amps] Transformer ?
> 
> Question for the commercial power utilities guys:
> Is there an advantage to delta / delta or delta / wye isolation
> transformer
> for 480 vac 3ph to 240 vac 3ph?
> The load is scr controlled resistance heat apparatus and voltage is fixed
> at
> 240 vac 3 ph
> When the load was dc drives it seemed that drive always wanted a wye
> source
> from the transformer?
> Shopping internet for a rather large isolation transformer and am
> concerned
> about making the best choice
> Any 150kva units out there in your surplus?
> Thanks for any help and opinions
> Paul K0UYA
> 
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