>
>
>I am building a power supply using a string of el cheapo electrolytics
>about 100 volt 200uf, i will be using at least 20 of these. Based on the
>assumption of 100 Ohms per volt i would require about 200k of total
>bleeder. This would result in using 10K 20 watts per capacitor. Using
>Measures arguments for lower heat and reliability using 100 K 3 watt
>resistors, i would end up with 2 MegaOhm of resistors in the power supply
>bleeder chain. Is this good practice using such a large total resistance
>for the bleeder chain?
/\ Byron -- 100k-ohms works ok for 450v electrolytic caps. For 100v
caps, proportionately less R should be used.
later
>
- R. L. Measures, 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|