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Registered Member #897
Joined: Sun Jul 15 2007, 06:22AM
Location:
Posts: 1
Im a newbie to all of this,so forgive my stupid mistakes,and simple designs. Ive currently built a 720uF 330V Capacitor bank.
I have the parts to build a 920uF 200v bank, or I could build a 33200uF 6.3v bank.
Which would be more powerful?Im looking for a high powered pulse.Ive seen large soupcan sized 9v capacitors do quite a bit of damage into a screwdriver,so thats why the 6.3v bank is a choice.
Again,sorry for the simplicity and overall stupidity of this request.
Registered Member #505
Joined: Sun Nov 19 2006, 06:42PM
Location: Yorkshire!
Posts: 329
The equation to work out the energy stored in you capacitor bank is
energy (Joules) = 0.5 * capacitance (Farads) * voltage * voltage
You can then work out which bank has the most energy.
Other factors come into it like ESR of the caps, and it also depends on your application (coilgun, etc.). At 6.3V, the resistance of your connecting wired becomes very significant, at 200V less so.
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Simple capacitor banks
