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Extreme DC! Extreme Electric Golf Carts!



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Old 04-12-2009, 10:14 AM   #1
redriderno22
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Default 2 Controllers???

just a thought

while i wait on a new controller

is there any way to use 2 to double my amps?

i have 2 stock controllers for my CC

the 275's
has anyone done or tried this

I would think hooking them up in parallel should double the amperage??

mabe not??
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Old 04-12-2009, 10:31 AM   #2
wizzardcarts
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Default Re: 2 Controllers???

they say no on piggybacking controllers some issue with back feeding or controller lockup wich would mean big smoke!!! but if you dont need them try it let me know make sure you have a batt disconnect in line just in case of welding mishap !!
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Old 04-12-2009, 10:46 AM   #3
Z48LT1
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Default Re: 2 Controllers???

"Hey, Bubba, watch this!"



Battery disconnect, fire extinguisher, bolt cutters, gloves, eye protection, but most important of all, a video camera, are all necessary for this experiment, from my recollection of the Watch Mr Wizard show...

Cheers -- Gary
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Old 04-12-2009, 10:55 AM   #4
dirtysouth
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Smile Re: 2 Controllers???

Quote:
Originally Posted by Z48LT1 View Post
"Hey, Bubba, watch this!"



Battery disconnect, fire extinguisher, bolt cutters, gloves, eye protection, but most important of all, a video camera, are all necessary for this experiment, from my recollection of the Watch Mr Wizard show...

Cheers -- Gary
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Old 04-12-2009, 11:00 AM   #5
redriderno22
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Default Re: 2 Controllers???

just to add i have some Very lage diodes 500+ amps

and HUGE contactors if needed

all from a forklift

even have the HUGE 24 volt battery
but it weighs more than the cart itself 1700#
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Old 04-12-2009, 11:50 AM   #6
roady89
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Default Re: 2 Controllers???

Quote:
Originally Posted by redriderno22 View Post
just a thought

while i wait on a new controller

is there any way to use 2 to double my amps?

i have 2 stock controllers for my CC

the 275's
has anyone done or tried this

I would think hooking them up in parallel should double the amperage??

mabe not??

Sorry. It doesn't work that way. You'll end up frying both controllers. But if you wanna try it please tell us how it went....and plenty of pics.
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Old 04-12-2009, 12:08 PM   #7
redriderno22
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Default Re: 2 Controllers???

Ill just wait

no sense in destroying anything

Im going to try and get some pics today of me and a friend testing our stockers to compare to our new motors coming hopefully tomorrow

lots of mud, water and hills
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Old 04-12-2009, 04:02 PM   #8
Nate
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Default Re: 2 Controllers???

As you know by now controllers are switching devices, if the same clock switched them then you could parallel them. Unfortunately there is no way to synchronize their clocks so they would be ON and OFF at different times.
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Old 04-12-2009, 04:09 PM   #9
Nate
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Default Re: 2 Controllers???

Just had an idea for a spare controller!

If you have an extra 225A Curtis or something you could wire this thing up as a variable DC-to-DC switching device!!!

What does this mean? You would be able to use the entire battery pack for lights, no tapping and throwing the battery balance out. Since a 225A controller is rated for about 150A continuous you could operate 150A worth of lighting.

Pros: 150A worth of lighting that can be tuned by the user to 14.5V per 12V light just like an alternator would produce. Technically since lights are resistive loads rather than inductive load like motors you could get away with more amperage.

Cons: Since it is user adjustable you could put enough voltage to blow out an entire bank of lights at the touch of a knob! Wouldn't that be cool!
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Old 04-12-2009, 05:04 PM   #10
redriderno22
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Default Re: 2 Controllers???

that is a good idea nate

i could use it for backup power for the house

my mind is cooking

with the several diffrent inverters i have

i wont have to switch to diffrent batteries

you da man

thanks for the idea nate
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