- Posted by keto (A) on May 19, 2004 at 18:55:50
In Reply to: My parafeed 300B prototype and questions posted by Tanker on May 17, 2004 at 21:05:30:
Its my understanding that parallel caps provide the sum of the two capacitances and half the voltage rating. If so, those 4 20uF caps will be equivalent to a single 80uF/165VAC cap. Maybe stack them series-parallel, to yield 40uF/660VAC, or put a dropping resistor between each. Looks like an intesting circuit. How does it sound and how do the two drivers compare? Is the 4uF coupling cap before the TFA2004jr rated for such high voltage? --keto
Follow Ups:
- Keto, parallel caps will add the capacitance, but voltage will - Tanker 05:07:06 05/20/04
(0)
- In Reply to: Re: My parafeed 300B prototype and questions posted by keto on May 19, 2004 at 18:55:50:
remain the same. Series caps will halve the capacitance, but double the voltage (assume same rating). The total capacitance in power supply is 120uF with 660VAC rated oil caps.
Yes, the coupling is also an oil caps rated at 660VAC. I have not plug into the system yet. I am still concern about too much ripple in the circuit.
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