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Forum: Fossil Fuel Free

01-08-2012, 08:32 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

Well, certainly both Paul and I have built...

Well, certainly both Paul and I have built controllers complete with power stage and everything. Both of us have spun a motor with said controller as well. But, I don't have anything I can really...

Forum: Fossil Fuel Free

11-03-2011, 09:27 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

I have been working on the controller but...

I have been working on the controller but recently most of my time has been spent elsewhere. Though, if you check the source repo you'll see that I have been making semi-regular updates to that. ;)
...

Forum: Fossil Fuel Free

10-30-2011, 07:49 PM

Replies: 9

Use the same power stage for EV controller and charger

Views: 1,830

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

10-16-2011, 09:34 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

OK, I've uploaded the schematics and board layout...

OK, I've uploaded the schematics and board layout for the IGBT driver boards to the google code project I setup for this 3 phase controller project. So now, if you're interested in getting some made,...

Forum: Fossil Fuel Free

10-14-2011, 11:03 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

Ok, I'll post the drive board schematics in a...

Ok, I'll post the drive board schematics in a couple of different versions (PDF, Design Spark).

I was a dummy and bought LEM HASS 500-S sensors. It turns out I should have bought 200 or 300A...

Forum: Fossil Fuel Free

10-13-2011, 02:54 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

Another test

I did another test today. This one went better. I didn't know anything up this time. Everything still stayed perfectly cool. I had found a subtle issue with the throttle code and have fixed it (I...

Forum: Fossil Fuel Free

10-13-2011, 08:58 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

Well... you asked... so pardon the book......

Well... you asked... so pardon the book... Hopefully I get all the details right, or at least close enough to illustrate the point. ;)

Yes, shoot through is a problem. Just to be clear: shoot...

Forum: Fossil Fuel Free

10-04-2011, 08:11 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

I breadboarded the main controller section. ...

I breadboarded the main controller section.

My initial testing is complete. I've still got work to do but I did get a 5HP motor to spin. The motor was a 440V motor and I only had about 90V worth...

Forum: Fossil Fuel Free

10-04-2011, 11:13 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

Well, since there is renewed interest I'll post...

Well, since there is renewed interest I'll post an update. ;)

I have some preliminary hardware together and have done some testing today. I also took some video of my setup and how I've been...

Forum: Fossil Fuel Free

09-24-2011, 11:52 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 918,907

Posted By CollinK

Just a quick note: I'm working on putting...

Just a quick note: I'm working on putting together an AC controller based on preliminary schematics from this project and the source code that Paul had for the project. The source code is currently...

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