I like the idea but are youreally running nearly 100 Amps throu those tiny little screw connector terminals at the bottom of the unit ? Those will burn out eventually
Modern MPPT controllers will have inductors that will need to be upgraded. When driving 5x parallel Mosfets, gate capacitance will be 5x larger so rise times 5x slower and heat is dissipated during the conduction rise time. Please get a higher wattage soldering iron !
какое-то наедалово, с его мастерством пайки и 10 ампер страшно подавать на схему а ту под 100А. и ещё на плате металлизации не хватит такие токи переварить
Good job, but I think it is necessary to reinforce the negative union tracks on the motherboard with tin, And also if it is possible to change the cable connection terminal blocks for larger diameter conductors
There are MUCH better ways of soldering than what you are doing. You are building for a failure. The PCB traces and the screw terminals are not designed for the current you are trying to put through them. Yet another place you are building for a failure.
@@Teknopottu You get no benefit if panel MPP voltage matches with battery voltage. MPPT adds about 10% DC-DC conversion loss. PWM doesn't have that loss.
@@Eratas1 I have believed MPPT is meant for sub-optimal conditions when the panels are not working at peak performance at their maximum power point. Which is a lot of the time. There are conversion losses but gained power should surpass it. Not an expert so might be wrong here. Give me some facts and explanation behind the PWM being better and I'll stand corrected and learned something new at the same time.
Bonjour je recherche une solution pour abaisser l Amperâge de sortie de batterie 60volt lors de décharge à 5A comment pourrais-je faire ? Merci de votre aide
Hey buddy I think you've done a very good job I would like to know how much you would charge me to make me one I need a real good one and so far looking at your job but you did a really good job I like to see if you can make me one please let me know
My god, this is so barbaric. But the idea is quite neat. I'm worried about some of the aspects. Is the current of Gate driver not small for 5 times the mosfet count? Isn't the rising edge of gate signal too slow? The quality of connections that was made: enough for 100A? I don't think so... This is massive current and these connections were of, ummm, quite questionable quality... Well, but if it works, it works, right? 👀 🤷♂️
Agree with everything except the gate driver. All this controller does is disconnecting solar panel as soon as accu voltage reaches some threshold. And this switching does not have to be fast. It can switch once every few seconds. So, as long as switching driver is not too weak, there is not problem in slightly slower switching. And as long as batteries aren't fully charged, there is no switching whatsoever. This system is quite primitive, hence such primitive modification might work. I agree with all other concerns about current capacity.
@@arturtrzebinski2112 I have a controller just like the one at 0:43, and all it does is like I said, just connects panel to a battery until full charge. I have also a 60A model. And my panel isn't well set up, so I've seen only about 12A at maximum. Said that, I've never seen the controller even slightly heat up. Voltage drop across controller is usually less than 0.5V. And since Mosfets are usually just always open, there's no reason for high energy losses. This controller definetily does not gave any voltage regulation mechanisms.
Hey bud I have a solar thing like this and it says 100 amp on it does that mean it's really a 100 amp or are they trying to screw me if so can you make me one of those I'll pay you for it I don't even weren't happy to I'd really appreciate you thank you bro
One more thing, I see that you removed the 12/24v auxiliary regulated output mosfet, as you left the board now there is no more output for external connection devices
The middle Leg of MOSFET is Connected to the Metal Body of MOSFET internally so he Connected the Red wire to the outer heatsink part where the MOSFETs are connected
The only problem is it's not exactly like you took a 10 amp charge controller and turned it into a hundred amp controller you added parts that you took out of the other one why did you even show the other one in the beginning it is not like you converted a 10 amp and two 100 you just added to it
after ive done a little more research ive found the board will actually support up to 40 amps max but u need to change the coils. the reason he used that many of these irf is cause those others will act as a buffer for huge spike on the amp and cause these chinese irf are in accurate, 3 quality mosfets with 60v30A is morethan sufficient for this, ive done a esp32version this and that had a close enough gain....but this chinese made mppt has a 10 watt wasted energy which isnt bad this build is borderline safe aslong as u dont go beyond 40amps
