Paul & Sabrina's cheap DIY 144v motor controller

[thingstodo]

Originally Posted by wehzeh

Lastly, I can also set up a repo for the different DC projects, I'll start hitting up those threads too. Open ReVolt is way too cool for the outdated wiki it has! I had seen the wiki before but t gave me the wrong impression of how mature the project was.

The DC controller files that I have. I can't locate a .sch or a .pcb file - I'll have to ask Paul if he kept a copy.

[duncan]

Hi Guys

Finally getting back on it
With my new battery having its heating/cooling water system the small plates I used to have under the controller were just too puny and would not let much coolant through

So I got a nice piece of aluminium and drilled some holes in it - my new cooling plate!

I will be getting the batteries in their new home - they are already mounted on their carrier - and trying to get everything to fit

I'll send more piccies then

[MPaulHolmes]

Wow looking awesome!! I can't wait to hear how it progresses!

[duncan]

Batteries in their new home
Do you like the Chevy Power sticker?

Covers for the battery compartment

Controller mounted above the batteries

[jedsmd]

I like the clear plastic cover on the controller - nice touch

[mora]

Wiki links have been dead for too long. Here are version 2C files and some old 1000A and 1D version files too.

https://drive.google.com/folderview?...UU&usp=sharing

Let's hope they won't disappear anymore. Hall effect firmware is also included for both 8kHz and 16kHz switching frequencies.

If someone has more to contribute to that folder contact me. I'll add files there.

[duncan]

Hi guys
After a delay I'm back working on the device again

I have done the scary PicKit thing and I think I have downloaded the latest Hex file that Paul sent me

Next - reassemble the thing and try and get the volt contactors working

[apowers]

My controller is going to full pwm with only partial TR (Throttle). That is about 13 for the TR value. Any ideas?

Thanks Alvin

[mora]

If you are doing off-vehicle tests I'd say no problem. Controller is trying to see some real current going through LEM sensor and your load isn't big enough. It ramps pwm up to 100% until it sees the current (torque) you are commanding.

[apowers]

Hi mora,

It is disconnected from pack while I am testing with rtd. But while driving, my battery amps are jumping up to match motor amps with just a little throttle input.

It drives ok , smooth take off but too much battery amp draw. It has worked fine since 2009 till this week. My truck has not been used for a couple of months. I had the motor out and replaced brushes, but I ran the motor on the bench for about 30 hours to seat them. I will try it with a small battery and the wheels off the ground.

Thanks Alvin