Go Back   EcoModder Forum > EcoModding > Fossil Fuel Free > Open ReVolt: open source DC motor controller
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 09-27-2010, 08:21 AM   #3811 (permalink)
Master EcoModder
 
Join Date: Apr 2009
Location: Charlton MA, USA
Posts: 463

EVVette - '71 Chevy Corvette Coupe
Thanks: 31
Thanked 172 Times in 92 Posts
Quote:
Originally Posted by The Toecutter View Post
They should be! The idea behind the open source controller is its affordability, right? Of course, reliability is also a factor... that being said, there probably are cheaper substitutes that will last the life of the controller, however long that may be(at least 2,000 miles so far in some examples).

When I build it, the control board will definitely see what happens when it is abused in a racing environment with 500A at the power board for ~3 minutes straight(that's all the PbA battery will last!). You'll get another data point there. Later on will be an upgrade to 160AH LiFePO4, to test it further...
I wouldnt say open source is just to be afordable. It is a big factor, but this controller is also just as advanced as the big guys. The rest of the controller are built with some of the best parts avaiable, International Rectifier MOSFETS, Panasonic Caps, and the LEM HASS-300 current sensor.

Another solution would be to use a current shunt. The cost of the shunt is very cheep some times as cheep as $10. BUT, you will need a high accuracry AD converter to read the shunt as well as isolation circuitry, including another small. At this point you will have more into the cost of this circuitry then the LEM.

-Adam

__________________
www.EVVette.com - 1971 Corvette Coupe Conversion to all Electric!
www.AdamBrunette.com - Machining, CNC, Robotics and Electronics.

You can download RTD Explorer for the Cougar controllers at www.EVVette.com
  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 09-27-2010, 09:31 AM   #3812 (permalink)
Custom EV Builder...
 
Join Date: Jul 2009
Location: Ohio
Posts: 57
Thanks: 8
Thanked 1 Time in 1 Post
Quote:
Originally Posted by MPaulHolmes View Post
OK, I've tested all the main circuits for the SR controller now, since there are 2 of them for SR, and 6 for AC, and the AC version works (so the SR version will work). The only thing for the SR version to really test is multiple gate drivers. I think it will be fine.
EXCELLENT! I'm waiting for that control board with multiple gate drivers.
  Reply With Quote
Old 09-29-2010, 10:09 AM   #3813 (permalink)
EcoModding Lurker
 
Join Date: Sep 2010
Location: usa
Posts: 50
Thanks: 15
Thanked 1 Time in 1 Post
Where can I find an insulating strip for the transistors? I ordered a package to-3p mica insulators but I was thinking of using a single insulating strip instead.
  Reply With Quote
Old 09-29-2010, 01:05 PM   #3814 (permalink)
PaulH
 
MPaulHolmes's Avatar
 
Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
Posts: 3,832

Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
Thanks: 1,368
Thanked 1,119 Times in 734 Posts
I just added it to the wiki. Unfortunately, they sell them in sheets of 8" x 16", and you probably don't need that much. Here's the part number that I use, and seems to work well:
Digi-Key - BER231-ND (Manufacturer - GP1500R-0.010-02-0816)
__________________
kits and boards
  Reply With Quote
The Following User Says Thank You to MPaulHolmes For This Useful Post:
princeton (09-29-2010)
Old 10-12-2010, 11:51 PM   #3815 (permalink)
EVer
 
Join Date: Aug 2009
Location: Calgary
Posts: 9
Thanks: 3
Thanked 3 Times in 2 Posts
woo hoo
Got my version c working today. What A THRILL TO FINALLY GET THE CAR TO MOVE AFTER ALL THAT WORK. Many thanks to all who contributed.
  Reply With Quote
Old 10-13-2010, 07:01 PM   #3816 (permalink)
PaulH
 
MPaulHolmes's Avatar
 
Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
Posts: 3,832

Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
Thanks: 1,368
Thanked 1,119 Times in 734 Posts
Hurray! It didn't blow up. Thank you for not telling me ahead of time, exrdega that you were testing it. That gets sort of stressful.

Louman: PM'd you about microcontroller
__________________
kits and boards
  Reply With Quote
Old 10-13-2010, 07:24 PM   #3817 (permalink)
Computer/EV enthusiast
 
Join Date: Jan 2010
Location: Indiana, USA
Posts: 32
Thanks: 2
Thanked 7 Times in 5 Posts
I just had to post and tell you Paul...
An ad popped up under one of your posts. Rather than annoying me like most ads do, I couldn't help but laugh. It was advertising for "the trampoline outlet"
  Reply With Quote
The Following User Says Thank You to Grimm For This Useful Post:
MPaulHolmes (10-13-2010)
Old 10-13-2010, 07:44 PM   #3818 (permalink)
PaulH
 
MPaulHolmes's Avatar
 
Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
Posts: 3,832

Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
Thanks: 1,368
Thanked 1,119 Times in 734 Posts
hahaha. I should do a signature about diarrhea. It would be interesting to see if they would advertise about some anti-pepto-bismal or something. "I still have diarrhea even after dose after dose of the pink stuff."

OK, I need to do that friggen SR control board. Here's the question I have... Can one optocoupler output drive, say, 2 drivers each? I think it can. And do I have to have each driver have its own isolated supply? Thats more expensive, and is possibly unnecessary
__________________
kits and boards
  Reply With Quote
Old 10-13-2010, 07:54 PM   #3819 (permalink)
AC-DC enthusiast
 
mrbigh's Avatar
 
Join Date: Nov 2009
Location: Long Island, NY
Posts: 282

Dual-PWR PHEV - '04 Toyota Prius

Kopper - '79 Bradley Bradley GT-II
Thanks: 122
Thanked 52 Times in 36 Posts
Quote:
Originally Posted by MPaulHolmes View Post
OK, I need to do that friggen SR control board. Here's the question I have... Can one optocoupler output drive, say, 2 drivers each? I think it can. And do I have to have each driver have its own isolated supply? Thats more expensive, and is possibly unnecessary
More likely that one optocoupler will drive 2 drivers, but, will the signal be in withing spec's?
About the power supply, a shared supply will suffice for boths drivers taking in consideration that this drivers will NOT drive different segments of the circuit.
I still have the dreams of having the completed SR controller in my hands and in working conditions powering my bench trany/motor assembly.

__________________
. .. .. . .......
Prius Absolutum Dominium . ..........KOPPER
PHEV conversion since Dec 2006.. . .... .Future EV
. . . . . . . .CALCars # 27. . . . . . . . . . ..on the works now !!
. . . . . . . . . . . . . . . . .. . ........
  Reply With Quote
Old 10-13-2010, 07:58 PM   #3820 (permalink)
EcoModding Apprentice
 
dave koller's Avatar
 
Join Date: Feb 2010
Location: Northern Wisconsin
Posts: 137
Thanks: 32
Thanked 35 Times in 21 Posts
Quote:
Originally Posted by MPaulHolmes View Post
"I still have diarrhea even after dose after dose of the pink stuff."
If that's true - Look up Celiac Disease - English, Irish, Scottish,(Celtic people) have the gene for it and it can switch on with trauma.. LOL Once on, you are allergic to Gluten -- oh yah!

Of course there is much more to it -- then again maybe you were funning

__________________
Dave ...
  Reply With Quote
Reply  Post New Thread


Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control MPaulHolmes Fossil Fuel Free 3477 05-24-2021 03:28 PM
Paul & Sabrina's Cheap EV Conversion MPaulHolmes Fossil Fuel Free 542 11-12-2016 09:09 PM
Three Dirt Cheap DIY Electric Cars - Part 5 SVOboy EcoModder Blog Discussion 0 12-12-2008 04:10 PM



Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com