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My robot might be consuming up to ~50A of currents at any given time
My robot might be consuming up to ~50A of currents at any given time. A problem I'm having is that it's hard to find switches or relays with 24V coils that are rated for 50A.
in case you are draggin 50 amps from the local power system in your house,, i dont think you can drag that much? the cables should be big,, the power in your house should be able to provide 50 amps,, u sure of that?whats the motor thats draggin 15 amp? how much torque is it?
How do you plan to connect the laptop to the batteries???I was thinking get an automotive inverter from the battery to the laptop charger adapter .
btw I used automotive relays ( rated 40 A each) on Chives
"I'm gonna run the batteries in series... More convenient for charging"Dont charge batteries at the same time in series, if im not mistaken, that could damage your batteries very badly.
"will those dissipate as many watts as is being used by my 12V circuit as heat?"it will dissipate as many watts as youre not using, and if im not mistaken, amperage doesnt count for much...until you go over its rated current. If youre trying to regulate 12v from lets say 36v (three 12 volt batteries), thats 24 volts that your going to be turning into heat. Which would probably mean you need some liquid nitrogen to cool that vreg down lol. I would suggest getting some switching regulators instead. They do the same thing except instead of converting unused volts to heat, they simply turn off their inputs until a certain threshold so they can still output the necessary voltage without sucking up voltage unnecessarily.
anyways , supposing there is 50 amps runnin somewhere ,the circuit should be made to be able to allow that,,very big cables,,not sure if a pcb can handle that tooby the way, how are ya goin to feed this thing? i dont think you can drag as much as 50 amps from the wall ...
Batteries. 24V * 50A = 1200W... About as much power as a hair dryer
do you have a battery that supplies 50 amps???
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