You'll get smoke.
Mark WB8JKR
On Sun, 21 Jun 1998 21:54:06 -0500 Mark Hall <markeh@erols.com> writes:
>
>Hi:
>
>I'm an electrical engineer, but far away from knowing much about
>transformers. Don't laugh too hard if this is way out there.
>
>I have a 110 VAC primary 3.2KV @ one amp transformer. If I full wave
>rectify a 220VAC line against neutral, I should arrive at a full wave
>rectified 110 Volt, 120 Hertz supply that should drive this
>transformer
>with substantially less core loss due to the higher frequency. I know
>400 Hz transformers are much smaller for the same KVA.. the major
>reason
>they're used aboard aircraft. Filtering should be easier, due to the
>higher output frequency. Question is what happens in the transformer
>core due to the one direction only input voltage discontinuities?
>Presumeably I'll get some serious voltage spikes out the secondary
>since
>E=L*di/dt? Sounds like a great idea to me, but it's been 22 years
>since
>I took EE-101, and the laws of physics seem to evolve.
>
>'73 KI4Z
>
>
>--
>FAQ on WWW: http://www.contesting.com/ampfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
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>
>
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