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[Amps] High-Voltage Electrolytic Capacitors

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Subject: [Amps] High-Voltage Electrolytic Capacitors
From: "EP Swynar" <>
Date: Wed, 22 Oct 2008 13:59:21 -0400
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Good Day All,

I blew a fuse in my 2x813 HB kilowatt the other day, due to a shorted 
electrolytic capacitor in the filter "string" of the 2500-volts B+ p.s. (the 
darn things are some 30 years old already, and owe me nothing!).

Anyway, scrounging through my junque box revealed a beautiful set of 8 matching 
aluminum canned electolytics (220-pfd. at 350 WVDC) that will make a dandy 
back-up "plug & play" filter. I'm presently in the process of "re-forming" them 
all, one by one, and it still continues to amaze me just how long some of them 
take to "heal"...literally, hours.

I can only imagine what would sort of an explosion(s) may well have ensued, had 
I elected to simply "plug in" the new filter bank after the rectifiers, without 
first going through this process... 

It's tiresome, tedious work, but SOMEONE has to do it, I guess, Hi Hi

~73~ Eddy VE3CUI - VE3XZ
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