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Chuck's 18650 14S120P+1 UK Powerwall.
#51
Yeah

I've ordered my Sofar Mass Energy ME3000SP AC Coupled charger inverter.

So excited to get it all up and running.
jdeadman likes this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
Reply
#52
Yeah

Another box has arrived for me.



My new Sofar ME3000SP charger inverter has arrived.



Looking good.



Now to get it out up and running.
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
Reply
#53
Any particular reason you didn't go for the KTLM ?
Reply
#54
(08-25-2019, 10:06 AM)Sean Wrote: Any particular reason you didn't go for the KTLM ?

I think that’s a solar inverter only, the ME3000SP is an AC coupled bidirectional charger/inverter.
Would have preferred something in the 5-7 kW range but I couldn't find anything else that would suit my tight budget.
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
Reply
#55
Little update, work has been manic, not had much free time to spend on the wall but a little more work has been done.

Sofar ME3000SP is now hung on the garage wall.



Still need to install the critical loads board and wire back to the inverter.

Builder has been organised to come and build the battery house outside on the opposite side of the wall behind the inverter.

Busy printing mounts for the cell packs 20/28 printed so far. STL file, thanks to AZ Tekkie on Thingyverse. I won't be using the top mount as my packs are small enough not to require them.




Started work on the main busbars for the cell pack series/parallel connections.
I still need to finish the heat shrink and fit the clamps to 15 bars for the 28 x 40P packs built so far. You should get the idea from this pic.
There will be enough clamps for another 28 cell packs to be added at a later date.



Plan is to make it as easy as possible to pull a pack and replace it if/when required.

BMS monitoring leads will be connected to the top of each rod (eventually when funds permit it will be replaced will Batrium). Thinking about using a 15 core cable through the wall into the garage and mounting the BMS in an enclosure under the inverter. Unless theres any reason to have the BMS directly above the battery? I will need to extend the monitoring leads either way.
jdeadman likes this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
Reply
#56
Making progress with main busbars, 15 bars heat shrink sleeved with clamps ready to go.
Started to add link cables for pack connection.
Ran out of crimp lugs will need to pick some more up tomorrow, but cables are prepped with Anderson plugs.

Need to chase builder and find out when he's coming to build the battery house.

jdeadman likes this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
Reply
#57
Made a start on my little battery house.

Ground cleared



Slabs down



Walls up



Roof on and back wall boarded over. Busbars up ready for the packs.



BMS monitoring wires pulled in ready to be crimped to busbars.

Pack mounts going up tomorrow, I need to make the doors and fit them before putting the packs on their mounts.

Hoping to have an operational Powerwall by the end of the week.
jdeadman and Korishan like this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
Reply


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