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    Path: BinaryBedlam > Krill Labs > projects > High Voltage > Directionalized Capacitor Bank Discharger    


     
   
Directionalized Capacitor Bank Discharger
Developed:        
5/25/2009


Status:
Complete


Summary:
Using a Magnet to direct a high voltage electrical discharge.
-OVERVIEW-




Intro:
      I've already demonstarted some controlled arc flashes using a camera flash battery and some metal contactors, now I thought
I'd try doing a few new things using the same principle.
      So this time I'm using twice as high of a voltage, a pin point sized discharge electrode for a higher energy transfer density,
and 2 different set ups. One includes the use of a magnetic field to see what effects it would have on the energy relase, and
the other a nylon tube segment, again to see what effects it would have.







800 Volt Capacitor Bank:
Each cap is only good for up to 400v, but when you wire 2 in series, you double their voltage rating. This, however,
will cut your capacitance in half, so I've attached a second pair in parallel to bring the capacitance back up to 56 uF.
So this cap bank's net raitings are 56uF at 800 volts.

             NOTE:     Wireing caps in series to increase their voltage ratings and then applying that higher voltage is not a good
      practice. In fact it's a bad idea because if the caps are not 100% identical, their differing leakage currents will cause one to
      charge more than the other thus exceeding their individual limits. This causes electrolytic breakdown which will eventually
      ruin the caps by incrementally reducing their capacitance. I'm only doing it here because these caps are not being used for
      any precise applications.







Experimental Control:
Like before, the open air discharge throws the energy release in all directions.

      


Applying the Magnetic Field:
Here is the whole aparatus complete with a powerful car speaker providing the magnetic field. The cathode is aluminum foil
and the anode is a stainless steel rod no larger than a needle. Upon discharge, the energy release not only blows a hole
through the foil, it is almost completely drawn towards the field.

                        


Tubial Discharge:
While I had the whole thing assembled, I thought, what else could I try? I saw some nylon tubing sitting around so I thought
I'd give that a try. These results were not as spectacular, but on one of the trials I got the energy release to spiral
around the paremeter of the tube. That was really neat.

            






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