A great car, great!
Just got back from a ride, same as before, yesterday perfect, overnight values are no longer appropriate. I had to go back to fweak 200 and boost 3200 with the values because otherwise the currentlimit keeps coming back. Curiously, he now goes with these words when accelerating ...

@catphish
May I ask in which car do you use the SDU?

Thank you very much for your further information, yes, I now reach my top performance at around 70 km/h, which I find very good for overtaking in our rural area and I have limited the top speed to 145 km/h anyway because of the change in the LDU ratio. Also more than sufficient for the car, for me ...

Please excuse me for not getting in touch for so long, but we first had to complete two vehicle conversions for customers before I could take care of my car. The problem persisted, the current limit appeared sporadically after driving off and disappeared on its own after a few minutes. I decided ...

Thank you for that information. With a higher boost I have problems with overcurrent in the lower speed range. If the controller is running properly, I can easily increase the boost to 3000, but I always have problems after a restart, which is why I set the boost so low.

I had Fweak even lower 140 ...

UDC correct

The parameters are saved and are also in the controller, I have checked the whole thing again and again.

Now it's time to report back, I installed a new controller for the SDU and did some test drives again today. First I took the default values ​​that have always been suggested for the SDU, the engine didn't run with them at all, I had to reduce Fslipmax to below 4, but even then it always went back ...

Yes, I also suspect that I will not get a single controller.

@EV_Builder Thanks for the link

Autobahn?

Yes we will see, does anyone know where I can get a new controller from or who would fix the controller for me?

As announced in the other thread, my settings on the SDU were not so successful. I first lowered fweak from 230 to 220 so it ran better and took about 545 amps of battery current. Since I wanted to be careful, I lowered fweak to 215 the next time I tried it. This reduced the maximum current to 420 A ...

The LDU is now running great, your tips have really helped me a lot. I raised fslipmax to 2.2 and lowered fslipconstmax to 6. It evenly accelerates the car to 100 km/h in just under 7 seconds and then continues to do so up to 150 km/h. I'm very happy with that, I see the LDU settings as complete ...

Yes we have changed the LDU gear ratio, there is a conversion kit for that:

https://zero-ev.co.uk/shop/teslagearset451-tesla-large-drive-unit-gear-set-4-5-1-13337?category=48#attr=

Then I fixed the differential and had a shaft built with which I can get the power from both LDU outlets on one ...

Thank you for the very detailed and understandable explanation. I'll try to do some trips tomorrow and implement your advice. I'll get in touch.

Can you please explain to me the connection between fslipmax and fslipconstmax.

My goal would be a slightly higher torque below 80 km/h and constant acceleration above 80 km/h. In other words, a little more torque under 80 km/h, less torque over 80 km/h.

Thank you for your hints. I deliberately lowered the slip value to reduce the torque, Johannes gave me this tip:
https://openinverter.org/forum/viewtopic.php?t=2178
I have the problem that my LDU goes to the cardan shaft and I haven't found a company in Germany that can build me a cardan shaft that ...

I have a Chevrolet pickup with a Tesla Sport LDU on the rear axle. I am not completely satisfied with the parameters or the driving behavior of the LDU. I will describe this problem here and hope someone can help me:
Here are the parameters with which I have been driving the LDU since January and ...

Okay, i make a new thread with my LDU question, thank you.

Thank you for your help, I'll take your advice on the SDU and I'm happy to give you feedback.

As for the LDU, by the way it's a sport LDU, I still don't understand your recommendation.
The values from Johannes always caused an overcurrent shutdown for me. When I spoke to him on the phone he told me ...

Hello Catphish,
I have an SDU on the front of my car and an LDU on the rear. It's a Chevrolet pickup. I tested your parameters for the SDU on my car today and I think they work very well. As a maximum current, the controller takes about 500A from the batteries.
That's the point I don't like yet ...

I also thought of hot glue, but I was worried that it would get a little warmer under the hood.

For your information, 2 weeks ago I had the problem that I no longer received a WiFi signal from the inverter. I then removed the engine and removed the cover. The WiFi module had slipped out and was lying loose in the housing. So that this doesn't happen again, I've now secured it with a cable tie ...

Oh, thank you very much for this explanation, so should I use the suggested parameters and avoid derating?
Does anyone know at what maximum motor current does the whole thing settle? So what is the maximum motor current for the LDU? The point is that I cannot go to the maximum because my cardan ...

Thank you very much for the hints, as I can see the max values are always 5000. According to my conversation with Mr. Johannes Huebner, the LDU can only tolerate 1200A but he is not sure. If I now go to 2000A or more, the output stage won't burn out either?

Hello,
who can tell me how to set the iacmax correctly on the Sport LDU? I want to play it safe and not destroy the controller. In the online parameter overview the value is 5000A but with this value all security is probably deactivated. I have now tested and driven the motor with 1000A, but the ...