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New Control Board: It Works!

A project log for DIY Electric Vehicle from Recycled Parts

Converting a car to electric drive using recycled and salvaged EV and hybrid components.

mauswerkzmauswerkz 06/28/2015 at 05:210 Comments

First spins on the new control board happened today. Getting the code tuned in. The motors are making some very fun sounds!


The slow ramp-rate of the motor here is due to the current limited of the charger I'm using as a power supply. I've got it set to 1A @200v for safety. I certainly have to be careful with regen here. I managed to get the bus up over 700v a few times while actively spinning it down to a stop. That'll be fine when there are batteries powering it, but not so good with the charger that's only rated to 430v.


Here's a quick teaser video of it spinning on up one of the motors. Have to hook up the electric oil pump to keep things lubricated and close the clutches, then I can spin MG2 up and have it play along (or against) MG1.


After that, it's just a matter of software tweaking and tuning. Will have to generate a look-up table for each motor at various operating points. Handy that the transmission will work as a dyno by driving the motors against each other.


I've ordered a radiator and some hose so I can get cooling set up, then I'm good to go. That should be ready by next weekend. Good thing too, since it's a long one.

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