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Search took 0.17 seconds. Search: Posts Made By: evimarn
Forum: Open ReVolt: open source DC motor controller 06-30-2014, 01:54 AM
Replies: 7,381
Views: 2,411,832
Posted By MPaulHolmes
Here's a picture of our first test drive. 12v...

Here's a picture of our first test drive. 12v with full throttle set to 100 motor amps. That bugger glided like a ninja. I had no idea that golf cart to be so darn ninjalike. The PI loop seemed...
Forum: Open ReVolt: open source DC motor controller 04-04-2014, 01:30 PM
Replies: 7,381
Views: 2,411,832
Posted By flores
As far as I know the 1000a never left the beta...

As far as I know the 1000a never left the beta stage.. I'm running one, and it works fine but others had lots of trouble with it so I heard
Forum: Open ReVolt: open source DC motor controller 02-23-2014, 12:47 PM
Replies: 187
Views: 58,931
Posted By adamj12b
Sorry everyone for the delay. I have been...

Sorry everyone for the delay.

I have been working on other projects since a123 went out. I not have a lead on some new batteries and I am regaining my motivation to get the Corvette done.

My...
Forum: Open ReVolt: open source DC motor controller 07-03-2013, 04:14 PM
Replies: 0
Views: 4,897
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 05-29-2013, 11:25 AM
Replies: 31
Views: 17,994
Posted By adamj12b
I will put together a virtual machine and it will...

I will put together a virtual machine and it will make everybody's life easier. It will take a day or 2 to setup and configure everything. I will include the firmware for the controller ready for...
Forum: Open ReVolt: open source DC motor controller 12-18-2012, 03:25 PM
Replies: 187
Views: 58,931
Posted By adamj12b
Work has slowed down to a crawl on the controller...

Work has slowed down to a crawl on the controller for the time being.

Ive had to dedicate all my time to a work project with a super tight deadline. I will have to get going on the controller...
Forum: Open ReVolt: open source DC motor controller 10-30-2012, 09:50 AM
Replies: 187
Views: 58,931
Posted By adamj12b
Hello Evimarn, Yes, it would be easier to...

Hello Evimarn,

Yes, it would be easier to use 2 driver boards and 6 igbt's in 1 enclosure. I would do this, but I cannot fit it in my car. You would also need another capacitor ideally. Also, the...
Forum: Open ReVolt: open source DC motor controller 10-26-2012, 07:25 AM
Replies: 187
Views: 58,931
Posted By adamj12b
Yes, the driver board includes the VLA-500-01...

Yes, the driver board includes the VLA-500-01 module. You need to just provide the IGBT's.

YES, 3 - 400A modules will handle 1000A.

I forgot about the current sensor until just now. I will...
Forum: Open ReVolt: open source DC motor controller 10-25-2012, 09:47 AM
Replies: 187
Views: 58,931
Posted By adamj12b
Hello Evimarn, Sorry to hear someone took...

Hello Evimarn,

Sorry to hear someone took your gear. I know how hard it is to build a personal collection of good equipment. If your looking for an affordable good scope, look at the Rigol...
Forum: Open ReVolt: open source DC motor controller 10-24-2012, 08:12 PM
Replies: 187
Views: 58,931
Posted By adamj12b
Hello Mark, YES, I believe that the modules...

Hello Mark,

YES, I believe that the modules will work perfectly. They have the same gate terminal spacing as the 400A modules. They are .71" wider in total though but I believe the spacing is...
Forum: Open ReVolt: open source DC motor controller 09-10-2012, 07:45 PM
Replies: 187
Views: 58,931
Posted By adamj12b
Its not simple to do for multiple reasons. Number...

Its not simple to do for multiple reasons. Number 1 reason being series wound motors cannot simply be used for regenerative brakes. Number 2 would be that it requires a totally different power stage...
Forum: Fossil Fuel Free 06-25-2012, 08:22 PM
Replies: 3,480
Views: 916,697
Posted By Stiive
Hey guys, first post on this forum, just...

Hey guys,
first post on this forum, just registered to subscribe to this thread - seems a lot of people working on AC motor controller, this is good. Over the past days I read through this whole...
Forum: Open ReVolt: open source DC motor controller 04-07-2012, 01:37 PM
Replies: 25
Views: 10,025
Posted By bennelson
I got a chance to head back to the Makerspace. ...

I got a chance to head back to the Makerspace.

That place is HUGE, when you are trying to carry a laptop computer, motor controller, and camera, ON CRUTCHES!

Anyways, I sat down at the laser...
Forum: Fossil Fuel Free 02-09-2012, 05:57 AM
Replies: 3,480
Views: 916,697
Posted By nlc
Yesterday evening I read the ST documentation of...

Yesterday evening I read the ST documentation of their V2.0 library for ACIM motor. FOC principle is the same as PMAC, the only diffrence comes from the software block which manage the rotor flux...
Forum: Open ReVolt: open source DC motor controller 12-15-2011, 02:04 AM
Replies: 7,381
Views: 2,411,832
Posted By MPaulHolmes
Hey look! The legs go through the holes: ...

Hey look! The legs go through the holes:
http://i419.photobucket.com/albums/pp280/MPaulHolmes/DSCF0105.jpg

Isolate the bus bars from the base plate:...
Forum: Open ReVolt: open source DC motor controller 12-12-2011, 11:54 AM
Replies: 187
Views: 58,931
Posted By adamj12b
Well this weekend I was able to start testing the...

Well this weekend I was able to start testing the 3 module driver board. I assembled the driver section up to the gate resistors. I started adding gate resistors with just a 3R3 for on and off. This...
Forum: Open ReVolt: open source DC motor controller 12-11-2011, 03:42 AM
Replies: 7,381
Views: 2,411,832
Posted By MPaulHolmes
I got the aluminum fixture milled. There's about...

I got the aluminum fixture milled. There's about 0.005" of space for sliding in the mosfets and diodes, so that will be good! The divot there on one end is to set the little piece of solder into. ...
Forum: Open ReVolt: open source DC motor controller 12-02-2011, 03:43 PM
Replies: 187
Views: 58,931
Posted By adamj12b
HAHA Im glad people are interested. I have...

HAHA Im glad people are interested.

I have hit a little bit of a road block financially. I have to wait till my birthday rolls around in a couple weeks to order the last parts for the logic...
Forum: Open ReVolt: open source DC motor controller 11-23-2011, 11:04 PM
Replies: 7,381
Views: 2,411,832
Posted By adamj12b
This is just a week of progress! Tonight I...

This is just a week of progress!

Tonight I got the first one of the laminated bus Uprising 1kA controller built. Its not complete, but close. I will be testing this weekend.

Some pics and a...
Forum: Open ReVolt: open source DC motor controller 11-23-2011, 11:55 AM
Replies: 7,381
Views: 2,411,832
Posted By adamj12b
Hello Everyone, I have created a new thread...

Hello Everyone,

I have created a new thread deticated to the Uprising series of controls I am designing. You can find it here:...
Forum: Open ReVolt: open source DC motor controller 11-23-2011, 11:44 AM
Replies: 187
Views: 58,931
Posted By adamj12b
NEW! Uprising Control Series (Logic and Driver Boards)

Hello Everyone,

I have put together a design for a new motor control board based on the Revolt design. I will be calling this board the Uprising to keep confusion to a minimum.

I hope to direct...
Forum: Open ReVolt: open source DC motor controller 11-14-2011, 09:01 PM
Replies: 164
Views: 51,945
Posted By isaac_alaska
i found the problem, in the BG2A application...

i found the problem, in the BG2A application notes, the gate resistors are labeled Rg. On the pcb i have, they are labeled R3 and R7. since the name "R3" is already used on the pcb (for the fault...
Forum: Open ReVolt: open source DC motor controller 11-08-2011, 11:20 PM
Replies: 7,381
Views: 2,411,832
Posted By adamj12b
Uprising 2.0

Hey Everyone,

I have just finished Uprising 2.0. Before I ordered the PCB, I decided to ask a friend what he though. He gave me some ideas and I changed some stuff around.

Changes are:

Full...
Forum: Open ReVolt: open source DC motor controller 11-03-2011, 03:59 PM
Replies: 7,381
Views: 2,411,832
Posted By adamj12b
Hello Everyone, Here is the post I have been...

Hello Everyone,

Here is the post I have been saying was coming.

I have finally finished MY version of the logic board.

I will be starting a new thread in the Revolt section because this is...
Forum: Open ReVolt: open source DC motor controller 10-06-2011, 08:32 AM
Replies: 2
Views: 1,755
Posted By sawickm
Evimarn, I think that you are looking for...

Evimarn,

I think that you are looking for the ReVolt Wiki: Open ReVolt - EcoModder (http://ecomodder.com/wiki/index.php/Open_ReVolt)

All the info you are looking for should be there.
...
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