Maxwell says in an email that series can be done but with some extensive control circuits to be sure the caps never try to send current back to the batteries and flow backwards.
we'll try parallel for now.
the capacitors will not be whiched in and out of this circuit. they will remain in parallel the entire time.
the only time there will be a draw of more than 250 amps from the cap and batt banks is under acceleration. the caps will deliver the current under demand and the batts should start...
This circuit is going to be in an electric vehicle. The motor controller will be a soliton junior that can deliver 600 DC amps on a constant basis.
the ultracapacitors will be in parallel with the batteries at this point. That seems to be the least expensive way to do these tests at this point.
I thought about how much power is really there in the capacitors.
Tecate has a capacitor sizing tool where you can size up how many ucaps you would need to supply a contast current or constant power.
My motor controller will draw 600 amps under full power, that would be wide open...
these are wild ideas and i ask because I am sure these ideas have been in the minds of others.
I am changing the 12 12 volt batteries to 26 6 volt batteries. the battery pack will be 156 volts and the caps 160 volts.
they will be placed in a simple parallel circuit. the idea of trying to...
I agree that these experiments must be taken with SERIOUS respect for the power I am using.. An electrical engineer at a local college told me putting 60 ucaps in series makes him nervous even thinking about it. I purchasing the active balancing boards for the ucaps. The kits came with 6...
thanks for the concern. I am discussing this with many different people and getting all the ideas and opinions to find the answer.
I am not doing this alone, there are many EV people looking at this as well.
I understand parallel and series no problem there.
there seems to be different...
maxwell suggests I use a 54 ohm resister as a bleeder in the vent of overcharge.
the raises a question of what kind of 54 ohm resistor ? 54 ohms and ?. plus where should it be wired in? parallel to a bus bar? or directloy inbetween the + and - of two caps.
the experiment here to see how the capacitors will take away the job of sending 600 amps in one second away from the batteries which do an awful job of doing that.
ultracapacitors are getting used in these situations by battery manufacturers. hybrid battery-capacitors are being built to...
I have 54 Maxwell 2.7 volt 3000 farad ultracapacitors and would like to know if they can be placed in series with 12 12 volt lead acid deepcycle 200 ah batteries. all in series.
would it work? why yes or why not?
this is a circuit to operate a electric vehicle.