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Old 06-01-2011, 06:27 PM   #4831 (permalink)
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Gate resistor locations

okay so the controller is almost complete, but I'm not sure which holes the gate resistors are supposed to go into, there are no pictures in the guide to help me....

please help

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Old 06-01-2011, 06:53 PM   #4832 (permalink)
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Quote:
Originally Posted by harlequin2 View Post
I'm getting an inferiority complex looking at all these beautiful works of art! Sniff. Here's a picture of my very ugly 625A version of the 500A controller that never gets above 45 deg C. Actually, the motors get hotter than that!
What the heck are you going on about? That's a fine looking device you have there!

And it works! It runs cool! It looks good!

Do I need to call Dr. Phil?
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Old 06-01-2011, 07:12 PM   #4833 (permalink)
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Thank you for those kind words, I'll just go and have a lie down now.
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Old 06-01-2011, 07:43 PM   #4834 (permalink)
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gate resistor locations

so let me try a guess.

do the gate resistors go in thru the little copper islands on the bottom of the board?
that would be the left leg of each mosfet as i am looking at it?

Last edited by voltmatic automaton; 06-01-2011 at 08:16 PM..
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Old 06-01-2011, 09:12 PM   #4835 (permalink)
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You've got it. The pins are: gate drain source from left to right looking from the top of the package. Also, the gate has only a small land, the drain and source much bigger.
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Old 06-03-2011, 01:43 PM   #4836 (permalink)
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Originally Posted by Camaro View Post
I'm almost embarrassed to show my controller. You guys have made some great looking cases for yours. But here is my modified 500amp controller. No shinny caps or cool logos, but I did add green leds around the inside of the case. They rotate as the throttle increases. Kind of like the warp core of the Enterprise, at least that's the idea.
hey...that looks good!Loads of silicone on there (hehehe) but hey man,it does the job right and thats the point!Its a shame you couldnt post a lil' vid of the led's lighting up!By the way...for anyone in the UK i have absolutely bundles of Perspex,plastic,polyurethane....any sort of thane...LOL...and would be more than happy to give it away to ANY of you guys who need it or are short of or $.
By the way i haven't a clue about any of this(magnetic fields,controlling the phases,inducing them to make them do something useful...haha....totally clueless)but i like...i like ALOT.But your controller case is good man....well done.
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Old 06-03-2011, 02:40 PM   #4837 (permalink)
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Polycarbonate?
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Old 06-03-2011, 04:28 PM   #4838 (permalink)
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Polycarbonate?
Jack, now you're getting picky.....
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Old 06-04-2011, 07:25 PM   #4839 (permalink)
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Would would mind detailing how you got the motor amps up t0 625?
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Old 06-04-2011, 11:16 PM   #4840 (permalink)
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Thank you for those kind words, I'll just go and have a lie down now.
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Harlequin2
Would would mind detailing how you got the motor amps up t0 625?
A small change in the s/w where it reads the current sensor o/p.

I'll have to find the flash drive I keep the files on to tell you exactly what I did. (I asked Fran originally).

I thought upping it from 512 to 625 would still be well within the limits for the components and it has been fine so far. Haven't tried taking it further.

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