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Forum: Open ReVolt: open source DC motor controller 11-11-2022, 08:11 PM
Replies: 7,381
Views: 2,411,802
Posted By thingstodo
Thanks for trying it

OK ... I just copied from google drive, where it says that anyone with the link is read-only.

https://drive.google.com/drive/folders/1_C1F85GyV4Rl0Nig-xwXlofRK4MlF7EE?usp=sharing

This looks way...
Forum: Open ReVolt: open source DC motor controller 07-10-2021, 08:13 PM
Replies: 7,381
Views: 2,411,802
Posted By thingstodo
I have not tested it ... at least I don't think...

I have not tested it ... at least I don't think so .. but I think that there is an implied decimal. So 400 = 40.0 amps.

I have tried the motor amps limit, and it does work. The motor current...
Forum: Open ReVolt: open source DC motor controller 02-20-2020, 12:42 PM
Replies: 7,381
Views: 2,411,802
Posted By MPaulHolmes
Oh, yes if the contactor was making intermittent...

Oh, yes if the contactor was making intermittent contact, during the times it was not making contact, the pwm would ramp up to 100% trying to force the current feedback to match the throttle position...
Forum: Open ReVolt: open source DC motor controller 02-11-2020, 06:01 PM
Replies: 7,381
Views: 2,411,802
Posted By thingstodo
I'd keep a laptop in the car, one that has a USB...

I'd keep a laptop in the car, one that has a USB to serial converter and a terminal emulator. The terminal emulator can capture serial data from the controller and store to a file. I think...
Forum: Open ReVolt: open source DC motor controller 07-29-2017, 01:39 PM
Replies: 7,381
Views: 2,411,802
Posted By mfox
Here is 5-th post so I can put link from diycar...

Here is 5-th post so I can put link from diycar :)

BMW E "i5" conversion by Matija - DIY Electric Car Forums...
Forum: Open ReVolt: open source DC motor controller 10-15-2016, 05:40 AM
Replies: 7,381
Views: 2,411,802
Posted By mora
See this:...

See this: https://drive.google.com/folderview?id=0BwDDz3qF3B61enJSNlVBUkQzTUU&usp=sharing

I've tried to gather everything needed for basic 2C mosfet version build there. I'd like to do the same...
Forum: Open ReVolt: open source DC motor controller 08-16-2016, 11:14 AM
Replies: 7,381
Views: 2,411,802
Posted By mora
Wiki links have been dead for too long. Here are...

Wiki links have been dead for too long. Here are version 2C files and some old 1000A and 1D version files too.

https://drive.google.com/folderview?id=0BwDDz3qF3B61enJSNlVBUkQzTUU&usp=sharing
...
Forum: Open ReVolt: open source DC motor controller 07-08-2016, 06:54 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Hi Guys Finally getting back on it With my...

Hi Guys

Finally getting back on it
With my new battery having its heating/cooling water system the small plates I used to have under the controller were just too puny and would not let much...
Forum: Open ReVolt: open source DC motor controller 03-18-2016, 01:32 PM
Replies: 7,381
Views: 2,411,802
Posted By MPaulHolmes
We just got thingstodo's controller put together....

We just got thingstodo's controller put together. It should be good to about 1400-1500amp peak, 350-400v. Here's a test at 24v on my golf cart:...
Forum: Open ReVolt: open source DC motor controller 12-02-2015, 02:14 PM
Replies: 7,381
Views: 2,411,802
Posted By Piotrsko
VOLT packs can be up to 398 v if you dont mind...

VOLT packs can be up to 398 v if you dont mind being risky at 4.145 a cell. Gives you 2.5 ish more KWH. On my ranger split pack I'm running 197 volts for 394 total last two years.

Imho even...
Forum: Open ReVolt: open source DC motor controller 12-02-2015, 01:19 AM
Replies: 7,381
Views: 2,411,802
Posted By Bela
Finally finished up the Open Revolt controller...

Finally finished up the Open Revolt controller and it works! At least with 12 volts.

Below is the Open Revolt board along with the Raspberry Pi that reads the RS232 output of the Open Revolt board...
Forum: Open ReVolt: open source DC motor controller 06-18-2015, 01:43 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Hi Guys Just an update Been driving the...

Hi Guys
Just an update
Been driving the device - great fun - not sure how many miles I've done
But its getting cold and wet
Also I'm concentrating on getting my new house completed
(It's been a...
Forum: Open ReVolt: open source DC motor controller 04-11-2015, 11:58 PM
Replies: 7,381
Views: 2,411,802
Posted By Articus
Thanks for tips guys! With that I believe the...

Thanks for tips guys! With that I believe the controller board is working correctly. I was trying to figure out where to stick the ground reference on my oscilliscope and I realized there are many...
Forum: Open ReVolt: open source DC motor controller 03-05-2015, 01:40 AM
Replies: 7,381
Views: 2,411,802
Posted By Bela
Well I think my post count is high enough that I...

Well I think my post count is high enough that I can add pictures. The pictures show the base plate with most of the parts arranged although since the picture was taken I decided to use a smaller...
Forum: Open ReVolt: open source DC motor controller 02-17-2015, 03:41 PM
Replies: 7,381
Views: 2,411,802
Posted By MPaulHolmes
I think he means 40 in series.

I think he means 40 in series.
Forum: Open ReVolt: open source DC motor controller 01-17-2015, 03:43 PM
Replies: 7,381
Views: 2,411,802
Posted By MPaulHolmes
hahahaha. Holy cow, um... I wouldn't go higher...

hahahaha. Holy cow, um... I wouldn't go higher than that. You are right. It must have been the hardware overcurrent coming on in 4th gear. It was set to 600amp per igbt, so at least one of the...
Forum: Open ReVolt: open source DC motor controller 12-24-2014, 06:29 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Merry Christmas Guys, It's been really hot...

Merry Christmas Guys,
It's been really hot today - I hope Christmas day is a bit cooler
Forum: Open ReVolt: open source DC motor controller 12-15-2014, 01:23 AM
Replies: 7,381
Views: 2,411,802
Posted By MPaulHolmes
No you don't need to add the capacitor.. I...

No you don't need to add the capacitor.. I included it with all three. You are probably right about the 400amp igbts. As long as they are well balanced, it would probably be ok. Don't forget that...
Forum: Open ReVolt: open source DC motor controller 12-10-2014, 04:21 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Pictures from the Evelocity event Pictures...

Pictures from the Evelocity event

Pictures are from Orion who sponsored the event
Forum: Open ReVolt: open source DC motor controller 12-05-2014, 12:52 PM
Replies: 7,381
Views: 2,411,802
Posted By 64jeep
Duncan, I think you're right on when thinking you...

Duncan, I think you're right on when thinking you ran out of volts (PWM maxed out). I wrote a post on my blog about that not too long ago with calcs for a Warp 11 motor and 100v system if you're...
Forum: Open ReVolt: open source DC motor controller 12-01-2014, 09:01 AM
Replies: 7,381
Views: 2,411,802
Posted By MPaulHolmes
Man that was a hilarious story Duncan! It sounds...

Man that was a hilarious story Duncan! It sounds like a lot of fun!! You should be able to do 350v-400v or so and a peak current of maybe 1200-1400amp. The igbts and ring cap are good to about...
Forum: Open ReVolt: open source DC motor controller 12-01-2014, 02:41 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Hi Paul Just got back in We did the event on...

Hi Paul
Just got back in
We did the event on Sunday and drove home today
I will have to look and see if Jane managed to take any usable pictures

Anyway the controller was great
But I have made...
Forum: Open ReVolt: open source DC motor controller 11-24-2014, 03:11 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Hi Paul Been driving the Device - its great fun...

Hi Paul
Been driving the Device - its great fun - feels very lively without trying to kill me

I notice a hiss/whistle - I think its from the controller although it "sounds" like its coming from...
Forum: Open ReVolt: open source DC motor controller 11-17-2014, 07:10 PM
Replies: 7,381
Views: 2,411,802
Posted By camusmuse
Maybe this is a bit off topic, and admittedly I...

Maybe this is a bit off topic, and admittedly I am new here(first post...:)). But after a bunch of lurking and reading; I was thinking...this project is simply amazing(duh), and maybe it has been...
Forum: Open ReVolt: open source DC motor controller 11-03-2014, 12:56 AM
Replies: 7,381
Views: 2,411,802
Posted By duncan
Talking Hi Guys Got the cooling plate attached also the...

Hi Guys
Got the cooling plate attached also the two end plates,
Paul has sent the software so I will have to fight with that
keep fingers crossed:D
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