Installing remote circuit breaker trip into my 40 kWh HomeBrew Powerwall

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Building my own version of a 40kWh Tesla Inspired Powerwall
▶▶ Open up the description for more details ▼▼▼
■▬▬▬▬▬▬ This Episode ▬▬▬▬▬■
Upgrading my powerwall with the use of a shunt trip. Basically it'll just be turned off by the Batrium Watchmon for a number of different faults. ie - If it gets too cold to safely operate the batteries I'll shut down, same for if it gets too hot. Under or over charge of individual packs all fully programmable.
► LINKS
BMS - www.batrium.com
Inverter - goo.gl/3uA9Pw
MPPT - goo.gl/dyJfT6
💰Save up to 10% at these stores with coupon code ' powerwalls '💰
🔵 BatteryHookup USA - bit.ly/Battery...
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🔵 Lithium Power - Australia - bit.ly/Lithium...
Second Life Storage Cell Finder -
🔋 Paolo Italy ebay.to/38xPUhT
🔋 Tim De Groot NL ebay.to/2OX9koS
🔋 Power 2 Spare USA ebay.to/2SuJWsr
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💻💡DIYPowerwalls Community Facebook Group 💡💻
► / diypowerwalls
Official forum thread with all the extra details to fill all the gaps -
👍 Total Project Cost - goo.gl/cfLqZf
👍 18650 wall mounts - goo.gl/xDUzSV
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Cheap BMS - s.click.aliexpr...
Quality BMS - www.batrium.com
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Learning resources -
🔖 DIY Lithium Batteries- amzn.to/2MC4BaM
🔖 Mobile Solar Power Made Easy - amzn.to/2Tzk6TA
🔖 DIY Solar Power - amzn.to/2IgxfMa
Recommended Gear -
🔵 Clamp AMP Tester -- goo.gl/z8b4uJ
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Thanks for tuning in as always!
Pete

Опубликовано:

28 сен 2024

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Комментарии : 64

@HBPowerwall 7 лет назад

40kWh has begun if your keen to check it out you can view it here freeboard.io/board/xKtg_F

@eoincaldwell823 7 лет назад

The pcb terminals are very small on the batrium board so what they do in industry is wire all the pcb terminals out to a terminal rail and your field wiring connects to the terminal rail, that means there is less chance of damaging the batrium card and you can easily connect and disconnect but keep up the great work it looks amazing 👍

@TheBloke 7 лет назад

Yeah I have had it running on another screen your site. Currently 17.71 kWh SoC% 66.5 as of now 10pm South Australia time

@HBPowerwall 7 лет назад

+TheBlokeSolar&Wind soc is set too 1000 ah so it doesn't auto reset and I know what to set it too so that is inaccurate but everything else is :) refresh page as we have been tinkering with the desktop version a bit don't know if it auto refreshes.

@tuff_lover 7 лет назад

101% charge...I wonder if Thunderf00t will find this video :D

@TheSiprianus 4 года назад

a quick google research will actually give you simple answer without needing it to be 'debunked'. 101% or more charge can be done if the battery manufacturer rating is lower than it's actual rating or if the battery is charged to a higher voltage value than the maximum voltage when the manufacturer measure the battery capacity.

@markbryant7411 7 лет назад

Hey mate, you have really stepped it up to the next level. What can I say, but bloody brilliant!! :-D

@HBPowerwall 7 лет назад

+Mark Bryant not done yet:)

@jasonhamilton5756 7 лет назад

Hey m8. your the first guy I've seen use a boot lace tool. I've always used my channel lock pliers and crimped them with the tip. something I also do in areas that see a bit if strain from lots of manipulation, try adding a bit of rosin core solder to the tip of the boot lace. it should draw in nice with those high power solder rigs you have been using. the boot lacing I use usually sees service in flex tracks, but in a project that is ever changing like yours. they should work just as well. great vids, cheers.

@HBPowerwall 7 лет назад

+Jason Hamilton great ideas that can help , thanks mate

@ursodermatt8809 7 лет назад

crimping and soldering together is not recommended

@jasonhamilton5756 7 лет назад

It helps keep the termination from slipping off. Boot laces are mostly to keep your wires from fraying on insertion and keep things looking nice. Properly crimped they usually don't slip out, but if you dig through your wiring alot or if your application is motive a dab of solder in the tip of your lace termination will save you the torment of wire pullout and short circuits during cable tracing and manipulation while in service. An ounce of prevention friend.

@ursodermatt8809 7 лет назад

and i take it you are not using proper boot lace ferrule pliers? and probably using the wrong size ferrule? there were many discussions on youtube before about similar soldering/ crimping matters. i can only repeat, crimping AND soldering is not recommended. there are several reasons for that. for one thing lead is very soft and creeping . so you crimp the ferrule and the led creeps and you have a lose connection. i recommend you look into it, like on googles and youtube.

@jasonhamilton5756 7 лет назад

I'm just sharing my experience friend. there's hardly any lead in solder these days to trifle about. your not really getting what I'm saying so, good luck to you.

@bostjantrancar9605 7 лет назад

Pete you should have your own tv chanel 👍....

@HBPowerwall 7 лет назад

lol, i burp too much hahaha (you'll understand this joke if you've watched all my videos )

@korishan 7 лет назад

Why don't you put the heatshrink on the bootie connectors? That would strengthen where the wires come out of them. Would only need a short piece.

@HBPowerwall 7 лет назад

Hindsight that would be a great idea !

@korishan 7 лет назад

Always 20/20 afterwards :P

@offgriddreaming5403 7 лет назад

That shunt trip is exactly what I am looking for. Thanks. Do you remember what they cost?

@HBPowerwall 7 лет назад

About 400 bucks from memory, i can get my sparkie to get a current price.

@offgriddreaming5403 7 лет назад

HBPowerwall If you could that would be great.If possible a model number would be awesome! How's it working with that unit has your system tested it yet?

@HBPowerwall 7 лет назад

I've tested it with every possible wy i know how. Heat, cold, Over voltage, Under voltage etc hasn't not worked.

@HBPowerwall 7 лет назад

pretty much anything that'll work and is cheap, the one between each bank (haven't done it yet still ) will just make it a little better to maintain it

@offgriddreaming5403 7 лет назад

Hey Pete Did you manage to get the details of the shunt trip from your sparkie?

@rimmyblumpkin5858 6 лет назад

How did this DIY system cost you total?

@HBPowerwall 6 лет назад

Second post in my official thread gives you a total breakdown of costs - secondlifestorage.com/t-HBPowerwall-Official

@muffamats 7 лет назад

Do you sell excess electricity back to the grid?

@HBPowerwall 7 лет назад

+Mats Aune yes with my grid tie system ( seperate to this setup )

@wd9dau 7 лет назад

The proper name for a boot lace ferrule is "aglet".

@HBPowerwall 7 лет назад

We'll stick to boot lace - it's easy to remember

@TommyTen10 7 лет назад

I've seen on RU-vid that by reducing charge voltage by only 0.1v you can extend life of cells. might be worth investigating. Nothing to loose...:-/

@HBPowerwall 7 лет назад

For the forty test I've cranked it up after that MIGHT do one more load test then back to 4v per cell. Make my babies last as long as possible

@offgriddreaming5403 6 лет назад

Hey mate Just setting up my shunt trip and was wondering if you can tell me which pins the shunt trip wires go to on expansion board please?

@ismailozcelik1662 4 года назад

Hi, are you using this system right now? it will give you more years of use.?

@HBPowerwall 4 года назад

3-4 years so far and still going strong

@ismailozcelik1662 4 года назад

@@HBPowerwall then 3 years after that, the system will go in a powerful way estimated bi . , isn't it?

@ismailozcelik1662 4 года назад

thank you for your successful interest in a very nice work bi.

@JoseGarcia-px9xj 6 лет назад

on your PIP4048HS you have connected 4S panels each one has 45.1VOC for a total of 180V but you PIP4048HS only accept 125V, I am not sure if I am right or a I am doing something wrong

@HBPowerwall 6 лет назад

pip has 8 panels 2p4s total voltage is only like 60v or somewhere close to that.

@oldtimeengineer26 7 лет назад

That is nice some day I will maybe get one but most likely next year

@HBPowerwall 7 лет назад

It'll get there mate. The time investment is stupid...lol No-one in their right mind should try this !!!

@bosdad7 7 лет назад

this reply comment explains a lot ! LOL Your doing this right, keep up the good work.

@JoseGarcia-px9xj 7 лет назад

what is the temperature range of yours electronics and the 18650. where I live could be -5f to 102f

@HBPowerwall 7 лет назад

Guess from zero C to 40c

@thomassmayhemfishingchanne6812 7 лет назад

Are those DC rated breakers? That's a lot of current. You would come very close to running contractors

@HBPowerwall 7 лет назад

The are DC breakers - fit for the job :)

@wd9dau 7 лет назад

Fair-yule

@default1647 7 лет назад

Nice Project:) Hi From MACEDONIA Europe:)

@HBPowerwall 7 лет назад

Hey buddy thanks for tuning in!

@edcooper2396 7 лет назад

Those little DIN rail disconnectors, you mentioned a rating of 125A (DC), do they stand any chance under a serious fault condition?

@HBPowerwall 7 лет назад

By full fault do you mean a train hitting it? I think they are adequate taking into account the amount other protections that have put into place inc 4480 individual cell fuses

@edcooper2396 7 лет назад

I guess thats the point under a really serious fault your cell/pack fuses would take over. Was just curious as I know arresting a DC arc is a real challenge (I've worked in high energy DC rail in the past) I understand on some of the newer Tesla packs they have implemented an explosive disconnect system which is quite a clever solution to the problem - all be it a non resettable one! Keep up the good work.

@HBPowerwall 7 лет назад

I have dead shorted a 7S charged pack before (a few videos back in fact) and all it did was scare the shit out of me & blow every cell fuse on the 7th pack. 20min to replace all the fuses and i was back running again.

@wd9dau 7 лет назад

Just for grins, in our hemisphere we call them ferrules instead of boot laces.

@HBPowerwall 7 лет назад

+wd9dau yeh was worried about pronouncing it wrong lol

@ursodermatt8809 7 лет назад

here we call them boot lace ferrules

@offgriddreaming5403 7 лет назад

Hey Pete, Where did you get those combiners please?

@HBPowerwall 7 лет назад

What ones mate?

@offgriddreaming5403 7 лет назад

The ones that have the watchmon fuse at the bottom at 4:34