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Step 6Connect the Charger Boards
Mount your charger boards in your enclosure with hot glue (If you are using an enclosure). Then connect your input lines in parallel. Now connect the HV output lines in parallel.
Connect the HV out lines to the lines on the capacitors then connect a piece of heavy wire to that connection.
Connect the HV out lines to the lines on the capacitors then connect a piece of heavy wire to that connection.
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May 15, 2009. 5:28 PMSponzyparadox
says:
What are the max input and output voltages for these boards?
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May 15, 2009. 6:33 PM
rocketman221 (author)
says:
rocketman221 (author)
says:
3.3v in gives about 400v out. 5v in gives about 600v out. 9v in gives about 775v out. 12v in gives over 1000v out. Anymore than 5v in overheats the boards really fast and the output current must be kept low. I wouldn't recommend running them at more than 9v.
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Jul 18, 2009. 11:40 AMSponzyparadox
says:
How fast do they heat and woudfl it be hard to cool them?
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Jul 18, 2009. 7:48 PMrocketman221 (author)
says:
rocketman221 (author)
says:
How fast they heat up depends on the load. The transistor is what heats up. You might be able to replace it with a larger one, or make a heatsink out of some foil tape. I have never tried to run them at more than 5 volts with any load though. If you need a higher output voltage I would suggest using a voltage multiplier.
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May 15, 2009. 7:10 PMSponzyparadox
says:
Ok I have some 2000 volt 1MF-4MF capacitors and I was wondering if these would be an efficient means to charge them provided I can keep them cool. Also just checking, I can acquire a 2000 volt charge if I wire them in parallel. Thanks man
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May 16, 2009. 1:43 PMrocketman221 (author)
says:
rocketman221 (author)
says:
The boards would have to be in series to double the voltage, but because of the way they are made they can't be put in series. However you could use a voltage multiplier to get 2000 volts from the boards.
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Mar 24, 2009. 8:30 AMtcbaja
says:
You have a board mounted on the lower right side of the box and did not see what that its for is it the power supply and or what did you us as a power supply also why did u use two switches1for two charge boards and 1 for 4 boards also why charge from 50 volts then to 400 v thanks for any info
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Apr 9, 2009. 10:40 PMrocketman221 (author)
says:
rocketman221 (author)
says:
Sorry for getting back so late. The charger boards take a lot of power when the capacitors are below 50 volts. I have 2 chargers setup on one switch to get it up to 50 volts and the rest of the chargers on the other switch to charge it the rest of the way. If all of the chargers are on at once when the caps are completely discharged it draws over 15A at 3.3v which trips the breaker on the atx power supply I used to run it.
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