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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