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Search: Posts Made By: valerun
Forum: Open ReVolt: open source DC motor controller 09-28-2011, 12:26 PM
Replies: 1
Views: 3,527
Posted By valerun
Thanks Mark! Hi All, my name's Valery, I run...

Thanks Mark!

Hi All, my name's Valery, I run a company that designed this. As Mark mentioned, this is what I call an open-system design - all the schematics, PCB files, firmware (Arduino-based)...
Forum: Open ReVolt: open source DC motor controller 09-19-2011, 02:05 PM
Replies: 164
Views: 51,957
Posted By valerun
control board is pretty universal - you just need...

control board is pretty universal - you just need to swap out the sensor for higher current one and use a different driver (designed for IGBTs, with negative bias).

You can then attach an IGBT...
Forum: Open ReVolt: open source DC motor controller 04-14-2011, 01:57 AM
Replies: 164
Views: 51,957
Posted By valerun
Hi Guys, I am designing a new IGBT driver circuit...

Hi Guys, I am designing a new IGBT driver circuit for my controller - see schematics below. It should be good to drive up to 6 IGBTs at up to 8A per IGBT. Highest frequency is likely to be around...
Forum: Open ReVolt: open source DC motor controller 04-13-2011, 02:52 AM
Replies: 164
Views: 51,957
Posted By valerun
Hi Mark - sure. the BOM is: * A3120...

Hi Mark - sure.

the BOM is:

* A3120 IGBT driver isolated opto-driver - from Digikey 751-1475-1-ND $2.31 1 $2.31
* DC/DC 2W 12V->+-15V - from Digikey 102-2096-ND $5.96 1 $5.96
* 18V...
Forum: Open ReVolt: open source DC motor controller 04-12-2011, 07:21 AM
Replies: 164
Views: 51,957
Posted By valerun
IGBT drivers

Hi Guys, not that it's going to help those who must have VLA drivers, but I thought I'd share my design of the driver board PCB that works fine for me driving a single 400-600A 1200V IGBT at up to...
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