and no one stocks / sells them in smaller amounts. Anyone have a tip ? It's worth checking the BMW website, I had to buy another cable to go between modules and it was very reasonably priced at £23. Pretty much every part of the battery pack is available except the modules themselves. I'm normally ...

I suppose you didn't find any debri between modules as described in the recall? The article refers to: "welding debris left inside the pack that could create a short between modules. The component manufacturer is listed as Samsung." I cant see any reason why there would be welding going o...

Battery Purchase It's been several months since I last wrote an update, where do the weeks go! Anyway I have been on the look out for a good deal on a battery since I started this project and found what I needed at the end of January. This post will focus on the purchase, but I have also added a fe...

I recently purchased one of the newer 12Kwh 34Ah packs and thought I would highlight some of the differences I have noticed to the information that has been posted in the thread so far. This post will focus on the technical stuff, details of the purchase are on my project thread here: https://openin...

IMO they are reminescence of earlier iterations to be wiped. :) Not necessarily earlier iteration, remember that the firmware and general design is used in several other inverter logic boards as well, some of which use those inputs. Detection of the board version is implemented in the firmware to s...

The question is : Have we lost our external CAN bus (because on the external Ampseal connector we have only charger CAN bus ) ? Can we be able to control all MG1, MG2 and Charger via CAN bus Correct, at the moment there is no external CAN access to the STM32s for MG1 and MG2on the v1d boards. I pla...

I'll not be using it unless someone comes up with a neat way of using it on single phase on packs the > 340VDC batteries, as that is beyond my ability. I'm in the same boat with a battery voltage that is above rectified single phase when full and below when empty. My plan is to fit an extra igbt or...

I have unfortunately damaged one of the connectors on the cables between the battery modules on my BMW hybrid pack. They are only £27 from BMW but If anyone has one going spare and are willing to sell for less please let me know. The length doesn't matter.

I think, that COOLANT_TMP line is hanging loose. I've check on a few schemas and every where is this same. So my understanding is that it's not used and not needed. But where it supposed go initially? If you take a look on Damien's github at the v1 Prius schematic (not 1c or 1d, just v1) it is show...

if anyone has any recommendations for rewiring I would be happy to hack at the windings without concern for function afterward. Bear in mind I haven't opened mine up yet, this is just based on another photo earlier in the thread, but I would suggest trying to find the three crimps I have arrowed in...

Hello again ...))) I have a fully assembled board prius gen 3 dual motor(Pri_G3_built_v1d) I have a minimum of wires connected HV+-,invertor 12v -+,5+-one pedal Potentiometer,12+ start signal,12+forward direction signal,resolver 6 wires ... my problem as you can see in the video below the motor doe...

Yep that's what I'm thinking, just didn't want to upset the apple cart by changing too much in one go. Unifying single and dual is a bit more tricky than just the BOM as at the moment there are differences in the CAN, the idc pinout, the current sensors parreleling and the igbt parreleling. This can...

The reason why I write about it is because it is a breaking change. The board with two ESP modules would always start into an inactive MG1 MCU. Any comments? I am keen to see this happen, and am willing to do some work towards it. Have you tried the idea out or done any of the software changes? If ...

So Damien has given me permission to upload the smaller layout version of the Dual motor board to the github repository. I will also be (attempting to) maintain these boards. The idea being that I gain more experience with electronics and PCB design and at the same time Damien has one fewer juggling...

Hello. I'm not sure if I'm writing on the right topic (if I'm in the way, delete it). Help me please. I have a project - a small yacht with a hybrid engine. The following connection scheme is desirable: MG1 is connected to a diesel engine (3.5 kW) as a generator (and a diesel starter). MG2 acts as ...

celeron55 wrote: ↑Sun Jan 17, 2021 6:11 pm Has anyone popped onto this forum with experience on rewinding motors?
Here's a photo from earlier in this thread.

Here are a few more photos of a rewind in progress, to save people from hunting back through the thread like I just did: viewtopic.php?p=19577#p19577

They're on Patreon I believe; Was referring to the ampseal board which wasnt there, but thanks for taking the time to reply. Damien knew what I meant. I made good use of the logic board patreon files to do the yaris/auris/>2012prius small board variant. ...adapter boards are now live on github Than...

(based on Damien's PDF, still waiting on the plots ;) ) Connect MG1 resolver to the following ampseal pins: 11 GROUND (or any other ground pin) 12 MG1 RESOLVER EXC 18 RESOLVER SIN 19 RESOLVER COS 34 MG1 SIN/ENCODER CHAN A 35 MG1 COS/ENCODER CHAN B Connect MG2 resolver to the following ampseal pins: ...

does any one know where i can get another 50pin igbt connecter from ? i cant seem to find them anywhere All hand placed parts are detailed here: https://github.com/damienmaguire/Prius-Gen3-Inverter/blob/master/V1c/PriusGen3HandPlacedParts.csv (note connector names are not consistent across PCB vari...

i am having a bit of trouble finding the Ampseal 35 pinout for this dual motor version d case. I compared 34 way IDC to input PCB for version c and d then looked at Ampseal 35 pinout for version c hoping to work out version d, but cannot see any obvious way to get version d. Apologies if the inform...

When setting up this motor I found the default value of 20000 for the current control integral gain 'curki' was far too high for this motor. With 20A of manual ID the plot shows very poor current control. It still spun fine but I could hear a white noise while the motor was running, especially notic...

CAN Message Mapping Seen as this is the support thread, and if (like me) you have never used CAN massaging before, this post is for you. I was naïve enough to think that because the MG1 microcontroller recognises itself as 'Prius MG1' that this would all be set up automatically, I was wrong. Lookin...

Ampseal adapter board There is a little more detail on this on my project thread post here https://openinverter.org/forum/viewtopic.php?p=21383#p21383 But I felt this is worth posting in the the support thread as well. (And maybe in the wiki if I get round to creating a dual motor page) On the sing...

I know Damien has already proven it works, but just to show it can be done by a mere mortal as well, and to show the smaller layout board works, here is video proof. More details on my project thread: https://openinverter.org/forum/viewtopic.php?f=11&t=1227 (sorry the coolant pump is noisy in th...

Spinning motors Once everything was connected the first step, which is easy to overlook, was to calibrate UDC. Suppose it isnt essential but needs doing at some point anyway. Fairly straight forward procedure, just adjust udcgain and udcofs until the inverter reads the same as a voltmeter. The same...