What do you think of my controller?

CrAcKeZ

1 µW
Joined
Jun 26, 2015
Messages
1
I have this controller(hub motor kit since at least 5 years ago), never open it but recently did just to inspect and clean and reapply heat paste

I wanted also to apply copper to the heavy soldering rails but I saw that it has some sort of wire already so I apply only where it didn't have(a corner)

From what I see it has 18 mosfets, so what do you think of my controller? is it good, bad, average? (how can I improve him if I want in the future?) also does it have any regeneration braking? (when I don't have the battery connected if it's on from switch the light stays lit if my bike is moving, if I move faster the faster it lights up ..so no idea if it has any sort of reneneration braking by itself)

Here are the pics(oh and tech details it's a 48v 1000w controller)

eslopl.jpg


1h6v5e.jpg

(Right click and view image for full screen)

eqy05l.jpg


9a8ec4.jpg


9jnj44.jpg


287hjlg.jpg


One thought of "upgrading" was to put another 18 mofsets on top of these(with each having individual heatsinks) ..don't know if it will help much - My current battery setup is a 12v 5A x4(48v 5A) combined with a supercapacitor 59.4v 22.72F (I had a 51.2v 20Ah LiFePO4 but cells were really bad and after a year or so, some cells died, order some others that came dead(of course I got refund) but I was pissed and leave it on the side, the battery wasn't cheap but the battery cells were no-name brand :p). Why did I have hybrid battery? well if you full throttle much these SLA batteries turn hot(not too hot but hot) with the supercapacitor bank the batteries are very cool and I still have better performance and a bit longer range :D (actually I didn't find anyone that did that and report it somewhere and it was like ..should I do it? ..supercapacitor costed me quite much but it will last way longer than any battery so I invest in that)

---Sorry for the long post :twisted: ---
 
It doesn't look bad for a 5 years old one. There are a couple of projects with some big blue supercapacitors. But nothing as a deep review.

Could you share that capacitors specifications?

I'm sure it is interesting for small batteries and high current demand.
 
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