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Tube-type bridge rectifier




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From:  Edward V. Phillips [SMTP:ed-at-alumni.caltech.edu]
Sent:  Tuesday, February 10, 1998 1:29 PM
To:  tesla-at-pupman-dot-com
Subject:  Re:  Tube-type bridge rectifier

"As a practical matter, the filament transformers must be insulated for
the PIV."

	That's the main problem with tube-type HV rectifiers.  You
need insulated transformers for each separate cathode voltage on
the tubes.  Also, a lot of those heftier HV tube rectifiers use
pure tungsten filaments and take many amps of filament current!

Ed