Thread: Why 28V DC?
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  #8  
Old January 14th 04, 07:34 PM
Charlie
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Jim Weir wrote an interesting response to the subject, then added, "Then
there is the 115v 3ph 400Hz. discussion..."

Let's hear it!

Jon


Possibly because AC is a more efficient distribution technique that DC for
long runs in large aircraft ? And 400Hz instead of 60Hz allows for smaller
transformers to step down the voltage ? Just guessing here.