Search found 5 matches

by noquarter
Sat Jun 07, 2025 12:58 am
Forum: Nissan
Topic: EM57 as a generator head?
Replies: 7
Views: 4702

Re: EM57 as a generator head?


No you'll need 12v to fire up the logic, there's no connection between HV and LV systems in these things.


Perfect, that's what I was hoping to hear. I think that's all I need to know for now, but when I actually get this project started I will undoubtedly have more questions. Thank you everyone ...
by noquarter
Fri Jun 06, 2025 8:18 pm
Forum: Nissan
Topic: EM57 as a generator head?
Replies: 7
Views: 4702

Re: EM57 as a generator head?

Thanks for the answers. My last main concern is that I don't know how the inverter and openinverter board will behave without a DC power source to power it up. Will it be able to power up just from spinning the leaf motor?
by noquarter
Fri Jun 06, 2025 3:00 am
Forum: Nissan
Topic: EM57 as a generator head?
Replies: 7
Views: 4702

Re: EM57 as a generator head?


Run a openinverter replacement board and you can set regen, voltage, current, etc


Thanks for the reply, I missed the notification.

Do you know what the limits are for the regen? Also, when you say I can set the voltage, what is the range?

Does anyone know of someone who has used a setup like ...
by noquarter
Mon Jun 02, 2025 9:30 pm
Forum: Nissan
Topic: EM57 as a generator head?
Replies: 7
Views: 4702

EM57 as a generator head?

Hi folks

Looking to build a series hybrid tractor for the purposes of a tractor pull competition.

The nissan leaf gen2 powertrain looks like it would be suitable for the generator head portion. Assuming efficiency is identical as is in normal operating, I would be getting 93.5% efficiency out of ...
by noquarter
Sun Jun 01, 2025 8:27 pm
Forum: Drive trains (motors and inverters)
Topic: Most efficient motor(s) at 25Kw
Replies: 0
Views: 932

Most efficient motor(s) at 25Kw

Hi all

I am looking to build a series hybrid tractor pull tractor and in order to be competitive I am looking to get as much efficiency out of the drive train as possible.

I am looking for options for motors that will be most efficient with the 25kw I have available from my motor. I would also ...