To: | <amps@contesting.com> |
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Subject: | [AMPS] resistors |
From: | measures@vc.net (Rich Measures) |
Date: | Sun, 21 Feb 1999 12:24:25 -0800 |
> >Rich Measures wrote: >> >> Carl said: >> > >> >Which is why 100K is the suggested max in any literature I have seen for >> bleeders. >> >> ? References, please. . In a typical 8171 anode-supply, a 100k-ohm >> bleeder would dissipate 810 watts. >> >> >>>>If I wanted a Reliable bleeder for a 4kV C-filter supply, I would >> >>>>series up 8 to 10 Matsushita/Panasonic 100k-ohm, 3w MOF resistors on a >> piece of >> >>>>perfboard and be done with it. >> >>> >> >>>Absolute YUK ! 800K to 1M bleders..no way Jose. >> >>> >> >>Ä What is to be gained by using a 200k-ohm bleeder on a C-filter, Carl? >> > >> >Quicker HV bleed down time, less chance of a recharge. >> >> ? What mechanism recharges the capacitor? >> >> > All my concerns are safety related and for others not well versed in PS >> issues. >> > >> >A string of 3W does not offer much of a voltage breakdown safety margin -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm |
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