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Posts Made By:
TadhBijou
Forum:
Fossil Fuel Free
01-30-2013, 12:49 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
There was a catastrophic error in the AC code...
There was a catastrophic error in the AC code this whole time. It's a miracle that it was working at all. I had the following to ENABLE complementary output mode:
PWMCON1bits.PMOD1 = 1; //
...
Forum:
Fossil Fuel Free
01-20-2013, 10:18 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
Two 4'x8' pieces are on the roof now out of a...
Two 4'x8' pieces are on the roof now out of a total of 8 of them. Then I need to figure out a door, but I can get the mill assembled now, once I figure out how to transport the 200 pound pieces....
Forum:
Fossil Fuel Free
11-17-2012, 11:31 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
We're moving in a few weeks, and I'll get working...
We're moving in a few weeks, and I'll get working on it again once we're moved, and I get a workshop built. It shouldn't take too long.
Forum:
Fossil Fuel Free
10-24-2012, 08:01 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
Stiive
Hey if anyone's building there own controller and...
Hey if anyone's building there own controller and interested, I recently got my DTC controller up and running.
Here's the long build thread.
diyelectriccar [dot]...
Forum:
Fossil Fuel Free
10-24-2012, 05:22 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
Thread not abandoned. I'm just waiting on our...
Thread not abandoned. I'm just waiting on our house to close before I buy a few replacement parts for the prototype. It will close by Nov 9th, and hopefully sooner.
Forum:
Fossil Fuel Free
10-24-2012, 10:08 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
sawickm
Hey Paul, Just a couple of the 500 amp...
Hey Paul,
Just a couple of the 500 amp ReVolt controller links were broken for Rev.C & Rev.D in the wiki. I added some reference links to my file server making those broken links accessible again....
Forum:
Fossil Fuel Free
06-14-2012, 12:38 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
Just tested the AC controller with a DC bus of...
Just tested the AC controller with a DC bus of 308v (288v nominal). It worked! Hurray!! It was only on the small AC motor, which is a few amps per phase. Here's a video of it running at 84v...
Forum:
Fossil Fuel Free
05-31-2012, 10:38 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
Should be done assembling the prototype by...
Should be done assembling the prototype by Friday!
One of the 3 phase bars:
http://i419.photobucket.com/albums/pp280/MPaulHolmes/AC%20Controller%204-16-2012/DSCF1496.jpg
From left to right, B+...
Forum:
Fossil Fuel Free
04-20-2012, 01:50 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
DrSurf
Paul, earlier you said that the IGBTs are...
Paul,
earlier you said that the IGBTs are driven from -8.2V to 15V. I looked at the MIC4451 data sheet and it states that it drives from 0 to 18V, with 20V being the max. So how do you get the...
Forum:
Fossil Fuel Free
04-18-2012, 09:12 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
I think on some motors it's easier to "rewind" a...
I think on some motors it's easier to "rewind" a motor to a lower voltage without officially rewinding. Then you can double the rated rpm and increase the HP. This controller can use any DC bus. I...
Forum:
Fossil Fuel Free
04-17-2012, 01:14 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
My boards arrived today for the 200ampRMS...
My boards arrived today for the 200ampRMS (hopefully) controller. And I ordered the parts for populating the boards too. The BOM is ready to be posted to the ecomodder wiki too. Parts are in the...
Forum:
Fossil Fuel Free
04-14-2012, 05:12 AM
Replies:
95
Low cost / High performance universal BMS
Views:
25,802
Posted By
nlc
Ok, thus you already posted the link but I was...
Ok, thus you already posted the link but I was looking for a blog :)
I looked the curves, and personnally I am unable to conclude anything :
On the 2 first curves, Y axis are not the same, we...
Forum:
Fossil Fuel Free
04-10-2012, 06:41 AM
Replies:
95
Low cost / High performance universal BMS
Views:
25,802
Posted By
nlc
Some news, the software inside the slave is...
Some news, the software inside the slave is completely finished and everything work well. I made a small video to see the BMS in action :
http://www.youtube.com/watch?v=k3qjPXCfs6M
Please note...
Forum:
Fossil Fuel Free
04-06-2012, 07:42 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
The boards will be here around the 16th of this...
The boards will be here around the 16th of this month. Hurray!
Forum:
Fossil Fuel Free
03-07-2012, 02:00 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
The power board, low side driver board, and high...
The power board, low side driver board, and high side driver board are done being routed and are ready to go in. The control board schematic is finished, and the components are being placed. It has...
Forum:
Fossil Fuel Free
02-28-2012, 10:29 PM
Replies:
95
Low cost / High performance universal BMS
Views:
25,802
Posted By
mrbigh
A very realistic idea would be to go modular for...
A very realistic idea would be to go modular for add on specific and complex features.
The function of pre-charge and main contactor handling is better handled by the motor controller by itself,...
Forum:
Fossil Fuel Free
02-27-2012, 03:21 PM
Replies:
95
Low cost / High performance universal BMS
Views:
25,802
Posted By
nlc
Low cost / High performance universal BMS
Hi all,
As I said on the Paul and Sabrina AC controller topic, I developped a distributed battery management system to monitor lithium cell battery pack.
This BMS is based on the distributed...
Forum:
Fossil Fuel Free
02-20-2012, 11:56 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
The software for ACIM is SOOOOOOOOO close to...
The software for ACIM is SOOOOOOOOO close to being done, and is done in the case of a permanent magnet synchronous motor. Just another day or so. And everything is correct this time. ...
Forum:
Fossil Fuel Free
02-09-2012, 05:57 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
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:
Fossil Fuel Free
02-08-2012, 11:35 AM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
SakkeP
[QUOTE=MPaulHolmes;284860]OK, maybe $450. They...
[QUOTE=MPaulHolmes;284860]OK, maybe $450. They are $6.51 each in quantity 1. But 229 amps!
There isn't anti-parallel diode ? :(
Forum:
Fossil Fuel Free
02-05-2012, 03:32 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
MPaulHolmes
OK, maybe $450. They are $6.51 each in quantity...
OK, maybe $450. They are $6.51 each in quantity 1. But 229 amps!
paul
APT100GN60B2G Microsemi Power IGBT Transistor - Richardson...
Forum:
Fossil Fuel Free
09-01-2011, 01:08 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
nlc
I also develop an AC FOC controller, but not open...
I also develop an AC FOC controller, but not open source, it's for a customer. I don't know which microcontroller you plan to use, but I decided to switch from dspic to STM32 (stm32f103 family), and...
Forum:
Fossil Fuel Free
07-17-2011, 12:51 PM
Replies:
3,480
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
Views:
912,131
Posted By
nlc
Hello everybody, hello Paul, I am French, new on...
Hello everybody, hello Paul, I am French, new on this forum, I subscribed only to answer to this post and congratulate you for your work :thumbup:
I am an electronics developer...
Showing results 1 to 23 of 23
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