Search found 776 matches

by celeron55
Thu Jan 25, 2024 6:32 am
Forum: Charging
Topic: Develop a QCA7000 board?
Replies: 569
Views: 6959659

Re: Develop a QCA7000 board?

Superchargers work perfectly for me with pyPLC. I do have PP connected, I'd start with that. I wonder what johu's circuit was like, because it also worked
by celeron55
Sat Jan 13, 2024 8:33 pm
Forum: Toyota/Lexus
Topic: Connecting a GS450H to an existing Transfer Case?
Replies: 59
Views: 11699

Re: Connecting a GS450H to an existing Transfer Case?

Jacobsmess wrote: Sat Jan 13, 2024 4:45 pm Only got the number if teeth there from what I can see but useful nonetheless... Although unfortunately the rest of your post suggests it's unlikely I'll find a replacement flange with my required bolt spacing.
The diameter is in the photo with the calipers. The sealing diameter also.
by celeron55
Sat Jan 13, 2024 1:17 pm
Forum: Toyota/Lexus
Topic: Connecting a GS450H to an existing Transfer Case?
Replies: 59
Views: 11699

Re: Connecting a GS450H to an existing Transfer Case?

What I'd love to see is adapters for different propshaft flanges to the exg spline on the gs450h. Any chance you could measure the gs450h output shaft splines for me? Major diameter, nope diameter and number of teeth I guess. Thanks I already posted the number of teeth and major diameter 4 years ag...
by celeron55
Thu Jan 11, 2024 1:12 pm
Forum: Projects
Topic: [DRIVING] Opel Omega B2 + GS450H (the "EVOmega")
Replies: 76
Views: 19212

Re: Opel Omega B2 + GS450H

Have you considered replacing LA with 6S LTO? Looks interesting but: - Expensive (can be offset by the durability, but only if you don't destroy it prematurely) - Needs an enclosure - Needs a BMS with low and high voltage cutoff. A low voltage cutoff is a lot of work to integrate to the car's OEM e...
by celeron55
Wed Jan 10, 2024 4:50 pm
Forum: Projects
Topic: [DRIVING] Opel Omega B2 + GS450H (the "EVOmega")
Replies: 76
Views: 19212

Re: [DRIVING] Opel Omega B2 + GS450H (the "EVOmega")

Maybe it's not a problem if it's stupid and predictable enough. Like, exactly every 24 hours, exactly not at all or exactly 20 minutes, based solely on the voltage at the 24h mark. This way it will not do stupid things like stay on indefinitely, stay on too short, stay powered off for too short, sta...
by celeron55
Wed Jan 10, 2024 2:27 pm
Forum: Projects
Topic: [DRIVING] Opel Omega B2 + GS450H (the "EVOmega")
Replies: 76
Views: 19212

Re: [DRIVING] Opel Omega B2 + GS450H (the "EVOmega")

A new year's report: The car killed the main contactor again, the one I replaced. I already replaced it and the car is running again. This time I have strong suspicion that the contactor had a manufacturing defect. I cannot imagine how the car could have broken it like this. It only makes a sound wh...
by celeron55
Tue Dec 19, 2023 11:14 pm
Forum: Charging
Topic: Foccci wakeup/sleep discussions
Replies: 57
Views: 6200

Re: Foccci wakeup/sleep discussions

You could add a way for software to keep the board powered as long as the program decides to, after it has woken up using the hardware based method. Basically just parallel another input to the P-MOS, driven by an output from the mcu, but make sure it doesn't backfeed into PP. This would allow stayi...
by celeron55
Thu Dec 14, 2023 10:24 pm
Forum: Charging
Topic: Develop a QCA7000 board?
Replies: 569
Views: 6959659

Re: Develop a QCA7000 board?

On other news I charged 5 kWh from a HyperCharger with 30 kW/80A (the CHAdeMO pins were rather warm afterwards). I think with that we've got the major brands covered. Has focci+clara been tested on Delta chargers? Or, has anyone gotten pyPLC to work on those either? I know I didn't. I haven't had t...
by celeron55
Sat Dec 02, 2023 6:26 pm
Forum: News
Topic: Driving Tesla Cybertruck: Everything You Need to Know!
Replies: 4
Views: 3266

Re: Driving Tesla Cybertruck: Everything You Need to Know!

I think this was the best video if you want to see the structure and parts. They're filming a lot of the stopped production line and beta builds (e.g. at 37 minutes). There's even a shot of how the exterior panels are attached in a crashed truck after 42 minutes. Just skip over the parts where they'...
by celeron55
Sun Nov 26, 2023 11:28 am
Forum: Projects
Topic: [WIP] Daihatsu Hijet, Prius Gen2, Prius Gen3 transaxle
Replies: 8
Views: 2133

Re: [WIP] Daihatsu Hijet, Prius Gen2, Prius Gen3 transaxle

The differential will almost certainly fail if you use it as a speed doubler by locking the other side. My bet is it won't last one full battery worth of distance. Your best hope is it will weld itself for you instead of exploding.
by celeron55
Sat Nov 11, 2023 8:24 am
Forum: General
Topic: Isolation Monitor - Suggestions?
Replies: 54
Views: 10582

Re: Isolation Monitor - Suggestions?

Isabellenhütte has now published information about IVT 3 Pro which comes with an isolatiom monitoring option: https://www.isabellenhuetteusa.com/dc-c ... vt-series/

Maybe it's worth asking whether it's available, and what's the minimum quantity and price?
by celeron55
Tue Oct 31, 2023 9:49 pm
Forum: Projects
Topic: Project: The 'In leiu of a carb rebuild' 1985 Honda GL1200 EV conversion
Replies: 7
Views: 4093

Re: Project: The 'In leiu of a carb rebuild' 1985 Honda GL1200 EV conversion

The Leaf motor and Prius inverter combo weighs probably like 75kg. If that's not an issue, go ahead. Other common motor options from cars aren't much lighter than that. There are less common options from electric motorcycles and very small cars (Twizy?) that could be more appropriate. As for inverte...
by celeron55
Sun Oct 29, 2023 3:47 am
Forum: Projects
Topic: 2008 Nissan Quest Van with Tesla SDU. [FINISHED]
Replies: 123
Views: 103083

Re: 2008 Nissan Quest Van with Tesla SDU. [FINISHED]

The soldering result looks like: - you should have used more flux - or with the same amount of flux would have had to finish quicker in order not to evaporate all of it - adjusting to a lower temperature could have helped if there was margin to lower it, or if a higher temperature would have allowed...
by celeron55
Sat Oct 28, 2023 9:56 am
Forum: Classifieds
Topic: Wanted: MEB (ID.x, Enyaq, Q4 e-tron,Cupra Born) 55 kWh battery [SOLD]
Replies: 10
Views: 5212

Re: Wanted: MEB (ID.x, Enyaq, Q4 e-tron,Cupra Born) 55 kWh battery [SOLD]

Make sure to note that you need to pay VAT for items purchased from Norway. Unless you manage to file it as company expenses, of course.
by celeron55
Thu Oct 26, 2023 10:45 pm
Forum: Inverters / Motor Controllers
Topic: Idea: simplified inverter firmware
Replies: 14
Views: 8445

Re: Idea: simplified inverter firmware

Is it possible to modularize it so that it's possible to make a minimal build, but also possible to make a build that adds the VCU functions and contactor control capability as an extra layer but uses the exact same code for the actual inverter implementation as the minimal build? Aside from VCU fun...
by celeron55
Tue Oct 24, 2023 7:12 pm
Forum: Charging
Topic: Develop a QCA7000 board?
Replies: 569
Views: 6959659

Re: Develop a QCA7000 board?

If you're looking for reservations for populated boards, I'd like one. The boards come from JLCPCB with everything but the QCA7005, the big connector and the RF transformer in place, right? I think I might be of help testing this as I have two running conversions and only one of them has CCS so far....
by celeron55
Sat Oct 21, 2023 7:48 am
Forum: Projects
Topic: [WIP] BMW Z3
Replies: 339
Views: 193901

Re: [WIP] BMW Z3

What I did for my GS450H gearbox was I went to a parts store and asked for ATF for a Prius. They sold me some kind of aftermarket "WS compatible" fluid of their own brand. I mixed it in with whatever was in the gearbox. I think it's gonna be fine for a long time. I would do the same for th...
by celeron55
Sun Oct 15, 2023 11:41 am
Forum: Projects
Topic: [WIP] BMW Z3
Replies: 339
Views: 193901

Re: [WIP] BMW Z3

I could be wrong, but my understanding is: The field weakening ability of the inverter diminishes to almost nothing as the battery voltage goes that low. The current needed for field weakening is the same regardless of the battery voltage and motor speed, and a certain amount of voltage is needed fo...
by celeron55
Mon Oct 09, 2023 6:00 am
Forum: Toyota/Lexus
Topic: Make grid tie inverter work off grid, $100 REWARD FOR SOLUTION
Replies: 5
Views: 3478

Re: Make grid tie inverter work off grid, $100 REWARD FOR SOLUTION

Better hope the grid tie inverter also reacts to AC voltage changes, because cheap offgrid inverters surely won't implement any "frequency droop". Random thought: If the grid tie inverter does react to voltage changes and the system still isn't stable, it could help to leave a length of wi...
by celeron55
Fri Oct 06, 2023 7:21 pm
Forum: Projects
Topic: [DRIVING] Renault Clio Electrique -97
Replies: 342
Views: 54083

Re: [DRIVING] Renault Clio Electrique -97

I would assume it's down to resolver wiring or offset, or phase wiring. If absolutely necessary, it might be possible to rotate the resolver in the MGR slightly by using the center opening and the bolts behind the motor. Never tried that myself and I doubt it would help: https://youtu.be/KuR0cihFAvQ...
by celeron55
Thu Oct 05, 2023 8:02 pm
Forum: BMW
Topic: Newb Asks: Is There A Clever Way To Connect A Charger To The Safety Box
Replies: 9
Views: 4562

Re: Newb Asks: Is There A Clever Way To Connect A Charger To The Safety Box

I've never seen a charger have its own relay into the main battery. It's always paralleled with the inverter and DC-DC and subject to the same precharge process. What OEMs are you talking about @arber333?
by celeron55
Thu Oct 05, 2023 7:51 pm
Forum: Getting Started
Topic: Newb Asks: Do Two Battery Packs Need To Be Equal Distant?
Replies: 6
Views: 3974

Re: Newb Asks: Do Two Battery Packs Need To Be Equal Distant?

Uhi22's example calculation is a good starting point. If you're using 50mm2 cables for a higher performance application you probably also have a pack with less internal resistance so the ratio remains something like that. Continuing from it, what happens is that when you cruise, you're taking about ...
by celeron55
Thu Oct 05, 2023 8:13 am
Forum: Classifieds
Topic: Zombieverter board for sale - beta version
Replies: 12
Views: 4117

Re: Zombieverter board for sale - beta version

That's got the GigaDevices microcontroller also. You will want to swap that out for a proper stm32.
by celeron55
Wed Oct 04, 2023 7:41 pm
Forum: Projects
Topic: [WIP] Motör Circus Big Bus 1970 Scania B11063
Replies: 4
Views: 2357

Re: [WIP] Motör Circus Big Bus 1970 Scania B11063

How fast do you want to go? What's the fuel consumption at that speed? If it's diesel, multiply liters by 3 and you roughly get kWh. E.g. 20L / 100km = 60 kWh / 100 km, and if that's at 100km/h it means 60kW continuous power. Using any single passenger car motor is probably not a safe bet, they will...
by celeron55
Tue Oct 03, 2023 2:57 pm
Forum: Projects
Topic: 1971 GMCe Lexus GS450H BMW 530e Tesla Model S Electruck [FINISHED]
Replies: 1270
Views: 469195

Re: [DRIVING]1971 GMCe Lexus GS450H BMW 530e Tesla Model S powered Electruck [FINISHED]

I recommend doing what the OEMs do: Just fiddle with it all until it happens to work, and then tell everyone you're following the standard. :mrgreen: