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Forum: Open ReVolt: open source DC motor controller 07-03-2014, 02:47 AM
Replies: 7,381
Views: 2,411,892
Posted By jedsmd
End Panel details ...

End Panel details
http://i.imgur.com/xSEAOj7.jpg


http://i.imgur.com/OctZTzl.jpg
Cut a piece of ABS the size of the end of the controller. I used 1/8" sheet because I had some, I think 1/4"...
Forum: Open ReVolt: open source DC motor controller 07-03-2013, 04:14 PM
Replies: 0
Views: 4,898
Posted By kmaikaza
IGBT Tutorial for dummies dc motor controller basic Video

I found this guy a few months ago making great videos but this is yust great explaining igbt ,drivers ,ringing ,pwm freq

http://www.youtube.com/watch?v=IdKhifMQUBI
Forum: Open ReVolt: open source DC motor controller 01-10-2013, 03:59 PM
Replies: 7,381
Views: 2,411,892
Posted By adamj12b
Again, posted in other threads, but I want to...

Again, posted in other threads, but I want to cover it in them all.
My wife has been in the hospital so I have been busy taking care of her, that's why I havnt been around to help answer questions....
Forum: Open ReVolt: open source DC motor controller 03-22-2012, 01:36 PM
Replies: 7,381
Views: 2,411,892
Posted By adamj12b
Alright, Im going to chime in now. The...

Alright, Im going to chime in now.

The controller Isaac is talking about, Is my creation. It is a 1000A continuous(still being verified) controller that is built using top quality components. The...
Forum: Open ReVolt: open source DC motor controller 02-14-2012, 06:29 PM
Replies: 7,381
Views: 2,411,892
Posted By DJBecker
Be very, very careful if you use a serial...

Be very, very careful if you use a serial bootload on the AVR.

We built our first controller around the Arduino Mega board, with signal conditioning and the CAN controller on a shield and a...
Forum: Open ReVolt: open source DC motor controller 10-21-2011, 07:26 AM
Replies: 7,381
Views: 2,411,892
Posted By adamj12b
A 1/4" x 3/4" bus bar is good for about 35A...

A 1/4" x 3/4" bus bar is good for about 35A continuous with a 30 degree C rise in temp. The same size bar is good for 500A continuous with a 65 degree C rise.

Even the 1kA controller will not run...
Forum: Open ReVolt: open source DC motor controller 04-26-2011, 03:49 PM
Replies: 7,381
Views: 2,411,892
Posted By jackbauer
Anyone interested in an igbt power stage should...

Anyone interested in an igbt power stage should read this document:
http://www.evbmw.com/igbt.pdf
Forum: Open ReVolt: open source DC motor controller 03-20-2011, 09:42 PM
Replies: 7,381
Views: 2,411,892
Posted By harlequin2
Not sure if it warrants a new thread! Maybe I'll...

Not sure if it warrants a new thread! Maybe I'll give it a go and stick some photos up as well, but basically the space for motors in the BMW was long and thin so a single, fat motor wouldn't fit...
Forum: Open ReVolt: open source DC motor controller 09-07-2010, 10:36 PM
Replies: 7,381
Views: 2,411,892
Posted By chapper
Princeton Check out Forrest Cooks' PWM designs...

Princeton
Check out Forrest Cooks' PWM designs at
FC's Electronic Circuits (http://www.solorb.com/elect/)
chapper
Forum: Open ReVolt: open source DC motor controller 05-16-2010, 02:25 PM
Replies: 7,381
Views: 2,411,892
Posted By Tesseract
No problem. I'm not all bent out of shape or in...

No problem. I'm not all bent out of shape or in anguish or anything, I just wanted to let you folks know that we can all get along. If nothing else we serve entirely different markets ;)



...
Forum: Open ReVolt: open source DC motor controller 05-12-2010, 12:56 PM
Replies: 7,381
Views: 2,411,892
Posted By MPaulHolmes
Maybe something like these bad bad bad boys: I...

Maybe something like these bad bad bad boys:
I wish I had the money to use these instead... (http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=495-3944-ND)
The panasonic ts-ed caps...
Forum: Open ReVolt: open source DC motor controller 03-03-2010, 12:47 AM
Replies: 7,381
Views: 2,411,892
Posted By MPaulHolmes
I'm almost done with a power section layout for...

I'm almost done with a power section layout for the SR controller. I'm sending it to Advanced Circuits, since they do stuff with 4 ounce copper now. The plan is to drill holes and mill the sides...
Forum: Open ReVolt: open source DC motor controller 02-28-2010, 08:51 PM
Replies: 7,381
Views: 2,411,892
Posted By CamLight
Nice sensor setup! May have to use that one for a...

Nice sensor setup! May have to use that one for a 1100A load I'm working on for a client this Spring. :)

I did a lot of research on the available thermal transfer compounds as I was really pushing...
Forum: Open ReVolt: open source DC motor controller 02-17-2010, 10:12 AM
Replies: 7,381
Views: 2,411,892
Posted By davidrrrd
hey hers a link to a you tuber who showes how to...

hey hers a link to a you tuber who showes how to etch bords if anyone would care to check it out , will this work for the motor controler bords?
...
Forum: Open ReVolt: open source DC motor controller 11-28-2009, 12:08 PM
Replies: 7,381
Views: 2,411,892
Posted By regmeister
Simple Modular Half-Bridge

Paul,

I was reading back through the thread and came across your post late September, "Replace the freewheel diodes with mosfets".

I have been reading a document from MIT for a modular...
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