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Author Topic: Charge Battery From Capasitor.  (Read 19094 times)

slayer007

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Re: Charge Battery From Capasitor.
« Reply #15 on: March 13, 2008, 02:17:44 AM »
Its from a pulse motor I was working on.
It has four coils triple wound.The four coils run it then I get power back from the other two wires in the coil plus the back emf from them to.
Just one of the coils can fill up the capasitor in about a min.
Getting a lot of power out of it just didnt know how to discharge it back ito the battery.
O its all so turning a car altonator when its running.But the altonators bad have to get another one.

zerotensor

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Re: Charge Battery From Capasitor.
« Reply #16 on: March 13, 2008, 02:21:08 AM »
The capasitor I am using is 300v not 350v its a 4400 mfd
I have a few I could try the other two are 200v at 220uf Then 400v 120uf

4400 uF seems like way more than you would need for this application.  I hope that you have the terminals shorted with a wire. It would probably be wise to do your testing with the smaller cap, which will still pack a pretty hefty punch.

Groundloop

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Re: Charge Battery From Capasitor.
« Reply #17 on: March 13, 2008, 02:32:56 AM »
@slayer007,

4400 uF will fry your SCR in a short time! Use your 120uF 400 volt capacitor.

Also, be carefull NOT to touch the capacitor with your fingers when the circuit runs AND after the
circuit is shut off. The capacitor WILL hold its charge for a long time. Normally one solder a high Ohm
resistor over the capacitor leads to discharge the capacitor when not in use. In this case we do not!
The reason is that this waste energy and I guess that you are aiming for free energy. So in your case it
is best (after switch off) to discharge the capacitor with a 10K resistor manually before you handle
the circuit. Be safe.

Groundloop.

zerotensor

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Re: Charge Battery From Capasitor.
« Reply #18 on: March 13, 2008, 02:42:29 AM »
Its from a pulse motor I was working on.
It has four coils triple wound.The four coils run it then I get power back from the other two wires in the coil plus the back emf from them to.
Just one of the coils can fill up the capasitor in about a min.
Getting a lot of power out of it just didnt know how to discharge it back ito the battery.
O its all so turning a car altonator when its running.But the altonators bad have to get another one.

This changes things a bit.  I'm not sure that Groundloop's circuit can tolerate this kind of input.  You might want to study John Bedini's circuits for some ideas on how to do battery charging with a pulse motor.  Perhaps you could just replace the capacitor with the battery directly.


slayer007

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Re: Charge Battery From Capasitor.
« Reply #19 on: March 13, 2008, 02:43:10 AM »
Thanks I will give that a try.
I ordered them neons off ebay and the tic106d allso.
The rest I should be able to get at radioshack.
So hopefully it should be done by next week.
I was thinking it might be to much power to But I could allso make one for each coil.
That way I could charge Five batterys off one lol.

Thanks agine. ;D

Groundloop

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Re: Charge Battery From Capasitor.
« Reply #20 on: March 13, 2008, 02:52:25 AM »
@zerotensor,

It depends on the voltage and current from the pulse motor. If the current is higher than the discharge rate
of the SCR into the battery then the current will never stop flowing and the circuit will not work. This problem
can be solved with a resistor (of some few Ohms) in series with the plus rail on the input of the circuit.

There are other solutions also. One can use a 555 timer to trigger a MOSFET transistor and dump the capacitor
into the battery.

Groundloop.

zerotensor

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Re: Charge Battery From Capasitor.
« Reply #21 on: March 13, 2008, 03:13:37 AM »
@slayer007,
Normally one solder a high Ohm
resistor over the capacitor leads to discharge the capacitor when not in use. In this case we do not!
The reason is that this waste energy and I guess that you are aiming for free energy.
A megaohm resistor connected across the terminals would not draw very much current, and any significant "free energy" being generated by the device should be able to overcome the the energy lost in the resistor.  Strictly following your logic, one shouldn't use any resistors (or wires, even), at all in the circuit!  But I hear you, Groundloop, and I can understand the impulse to get rid of this "unnecessary heater" in the circuit.  Whatever, as long as slayer007 understands the dangers... (You hearing me, slayer?)
Quote
  Be safe.

zerotensor

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Re: Charge Battery From Capasitor.
« Reply #22 on: March 13, 2008, 03:30:32 AM »
Something else to consider, the pulse motor which charges the capacitor might need to be isolated from the battery charging circuit during the battery-charging part of the cycle.  If it is not, current might flutter in a secondary coil of the pulse motor as the capacitor rapidly discharges.  I like the idea of using MOSFETs and a 555.
« Last Edit: March 13, 2008, 03:53:57 AM by zerotensor »