[AMPS] microwave ovens

[Lee Buller]

At 09:30 AM 5/30/97 -0700, you wrote:
>Amperites:
>
>If it's any consolation........I ripped apart a junk microwave Tuesday night
>and took the rectifier block out and brought into the test lab here at work.
>We hooked it up to our trusty underground cable testing machine and
>proceeded to cook it for almost 60 hours at 8kV (AC), 4 amps.  They got warm
>(ok, HOT, 75 deg. C) but didn't fail.  This morning we hooked it up to our
>ever ready cable thumper (impulse generator)  and set the computer to
>automatically step up the thumps starting at 1kV and going to failure.  The
>thumps are IEEE standard from back in the days when we used to impulse test
>cables (with deregulation we've gone to pitching the cable in the ditch and
>not looking back).   The unit failed gloriously at the 5th 37kV impulse.
>Though this is not a representative test of monolithic rectifier strings it
>did prove to me that at least this one had some integrity.
>
>For what it's worth.......
>
>Still scraping the black goo and plastic chunks off the test cubicle wall.
>
>Gary K7FR

Gary....

Lets find some more and put them into a big amp and run a contest.  Then
maybe that would place some egg on a face or two if the diodes would survive
that..... Whoops...that was uncalled for.

Lee
k0wa@southwind.net



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