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Forum: Fossil Fuel Free 04-04-2014, 08:08 AM
Replies: 3,480
Views: 916,423
Posted By MPaulHolmes
Hello! Yes, absolutely I'm going to finish it. ...

Hello! Yes, absolutely I'm going to finish it.

I'm like 95% done with the code for it, and just need to test it and do up a board with a few corrections. I've been busy the last year with work,...
Forum: Open ReVolt: open source DC motor controller 04-03-2014, 04:28 PM
Replies: 7,381
Views: 2,410,973
Posted By MPaulHolmes
The 3 ring caps are shipping now. I repeat! ...

The 3 ring caps are shipping now. I repeat! They are shipping to me now! Alert Alert! Emergency reduction! Everything must go. Store closing forever, until next month, when it will re-close.
Forum: Fossil Fuel Free 02-15-2014, 09:28 AM
Replies: 9
Views: 1,827
Posted By larsrockket
http://publications.lib.chalmers.se/records/fullte...

http://publications.lib.chalmers.se/records/fulltext/173471/173471.pdf
Forum: Fossil Fuel Free 10-29-2013, 04:44 AM
Replies: 24
Views: 8,596
Posted By jackbauer
EV Automatic Gearbox Controller Project

Thought I'd start a thread on a new project I have just begun. Plan is to develop an open source arduino based controller for automatics. The ZF 5HP24 is my first victim as I need it for a new...
Forum: Fossil Fuel Free 09-21-2012, 08:42 PM
Replies: 3,480
Views: 916,423
Posted By MPaulHolmes
LOL. Ya, a resolver would be the way to go with...

LOL. Ya, a resolver would be the way to go with actual driving. But they are more expensive. I'm just using the encoder for testing. I take bribes. There will definitely be an autotune. For now...
Forum: Fossil Fuel Free 09-21-2012, 08:31 PM
Replies: 3,480
Views: 916,423
Posted By Janis
I never know, and that's exciting.

I never know, and that's exciting.
Forum: Fossil Fuel Free 09-21-2012, 08:27 PM
Replies: 3,480
Views: 916,423
Posted By Janis
High, How are You? Two or three questions: 1)...

High, How are You?
Two or three questions:
1) Have You thought of implementing of some kind of Autotune feature, like static/rotating autotune? Like measurement stator resistance (Viva La...
Forum: Fossil Fuel Free 09-13-2012, 11:08 AM
Replies: 3,480
Views: 916,423
Posted By MPaulHolmes
The wiki is hopelessly out of date. Plus, 99% of...

The wiki is hopelessly out of date. Plus, 99% of the links are broken I think. hahaha. We need to get that bugger fixed up.

Janis, you absolutely could.

My new encoder came today, so now...
Forum: Fossil Fuel Free 06-25-2012, 06:36 AM
Replies: 3,480
Views: 916,423
Posted By nlc
From my side, just launched in production my...

From my side, just launched in production my driver board :

http://chaenel.free.fr/images-forum/controleur_igbt_3.png

I designed this board for direct mount on these standard 6 pack igbt module...
Forum: Fossil Fuel Free 10-31-2011, 09:07 AM
Replies: 5
Views: 2,155
Posted By Ryland
I never worry about water on my battery pack, I...

I never worry about water on my battery pack, I wash the dirt off the tops of my pack with the garden hose, dirt could be an issue, but that is why it's nice to keep them clean.
I do use electrical...
Forum: Fossil Fuel Free 10-31-2011, 09:01 AM
Replies: 9
Views: 1,827
Posted By Ryland
With regenerative braking you can't over charge...

With regenerative braking you can't over charge your batteries unless you start out at the top of a large hill with a charged battery so making a 3 phase motor controller have regenerative braking...
Forum: Fossil Fuel Free 10-31-2011, 08:32 AM
Replies: 9
Views: 1,827
Posted By sawickm
This is a link to a open source project that...

This is a link to a open source project that discusses integrating the inverter and charger as one unit.

SourceForge.net: Charger - tumanako...
Forum: Fossil Fuel Free 10-31-2011, 01:15 AM
Replies: 5
Views: 2,155
Posted By Ladogaboy
The other concern might be the battery pack....

The other concern might be the battery pack. Ensure that no water is getting into the battery compartment that might foul/corrode/short the electrical contacts.
Forum: Fossil Fuel Free 10-30-2011, 07:49 PM
Replies: 9
Views: 1,827
Posted By CollinK
It actually depends. A three phase motor...

It actually depends. A three phase motor controller is used to alternating current on it's outputs. There is no reason that the power stage on a three phase controller could not also take incoming AC...
Forum: Fossil Fuel Free 10-30-2011, 11:17 AM
Replies: 5
Views: 2,155
Posted By Ryland
That motor has cooling air intakes at one end and...

That motor has cooling air intakes at one end and you can buy or make a band that allows you to duct that air, if you are really worried about water you can go that route and duct the air intake so...
Forum: Fossil Fuel Free 10-30-2011, 11:11 AM
Replies: 9
Views: 1,827
Posted By Ryland
In short, no. The charger is taking AC power...

In short, no.
The charger is taking AC power and converting it to the DC voltage that the batteries want then is monitoring that voltage to adjust it and turn off, that monitoring is part of the key...
Forum: Open ReVolt: open source DC motor controller 10-14-2011, 08:15 PM
Replies: 164
Views: 51,930
Posted By mrbigh
kusaw, I will have your information ready in a...

kusaw, I will have your information ready in a couple of days. Thank you for your patience
Forum: Open ReVolt: open source DC motor controller 09-19-2011, 02:05 PM
Replies: 164
Views: 51,930
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 07-04-2011, 02:44 PM
Replies: 7,381
Views: 2,410,973
Posted By jackbauer
Hello everyone. My name is Damien and i'm a...

Hello everyone. My name is Damien and i'm a controlerholic:D
Forum: Fossil Fuel Free 05-24-2011, 11:10 AM
Replies: 58
Views: 22,613
Posted By adamj12b
Well Its been about a month since the EV show in...

Well Its been about a month since the EV show in PA. Ive done a little on the charger but not too much. Will be getting back into it very soon.

A few people have been asking be about a circuit...
Showing results 1 to 20 of 20

 
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