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There's a new wall in Germany!
#51
(08-03-2017, 06:47 PM)alildabldo Wrote: I like your design. Just curious, did you look at copper ground rods with connectors when you were shopping for copper pipes? I guess I'm curious if a copper ground rod could replace your horizontal bus bars. Keep up the good work.

thanks Smile . I didn't look at copper ground rods before, but I think they're much more expensive because they're solid. And I don't know about the lenght you can get. I buy the pipes in pieces of 2.5m for ~9€ per piece. The plastic holders (original for 16mm plastic pipes) are dirt cheap and fit exactly, so it's very simple and easy installation.

(08-03-2017, 08:31 PM)jesusangel Wrote: I'm following owitte for busbars and his horizontal wall mounting and the cooper pipes can be easily flatten and hole to connect with the bus bars of every pack,  you can't do that with the copper ground rods (you can but not so easilly).

Yeah, that's right. But don't forget to put some tin on the flat connection parts, remove the flux after that and use spring washers to fix the packs. I'm very curious about your installation, hopefully we can see some pics here soon Smile .

permanently on battery from:
- 2017/05/20 - 2017/07/01
- 2017/07/02 - 2017/07/25
- 2017/07/26 - ?
What's left:
my current grid consumption
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#52
[quote pid='11067' dateline='1502357824']
Yeah, that's right. But don't forget to put some tin on the flat connection parts, remove the flux after that and use spring washers to fix the packs. I'm very curious about your installation, hopefully we can see some pics here soon Smile .
[/quote]

I hope next 2 weeks that I have holidays will have something working, my packs are taller than yours and I have no space to set 14S horizontally, so I think I will do 13s, not a big difference for 48v (44.2-53.3 range).

http://www.diypowerwalls.com/t-JAP-Just-...-Powerwall.

Regards
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#53
(08-12-2017, 10:44 PM)jesusangel Wrote: I hope next 2 weeks that I have holidays will have something working, my packs are taller than yours and I have no space to set 14S horizontally, so I think I will do 13s, not a big difference for 48v (44.2-53.3 range).

http://www.diypowerwalls.com/t-JAP-Just-...-Powerwall.

Regards

what's the exact size of your packs? And if you don't have enough space to put 14s horizontally, what about putting them vertically? Instead of using my design with horizontal busbars, you could mount them vertically...

Have sun!
Oliver

permanently on battery from:
- 2017/05/20 - 2017/07/01
- 2017/07/02 - 2017/07/25
- 2017/07/26 - ?
What's left:
my current grid consumption
Reply
#54
I've measured the packs and the wall and I must reconsider a little the installation place.

I had 2.2m at the end of stairs, my pack will be close to 20cms tall, so I have to move it a little. In proportion my packs use 2 more connection tabs every 20 cells. Where you have 7 packs I will have 14 half the taller of yours but double the tabs.

I will post on my thread an update to not mix my pictures with your installation.

http://www.diypowerwalls.com/t-JAP-Just-...all?page=2

Thank you
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