all home built solar system


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poida

Guru

Joined: 02/02/2017
Location: Australia
Posts: 1459
Posted: 11:51am 16 May 2021      

powerboard PCB files

Finally I need to upload this for anyone who is interested.
The BOM is to be worked out by looking at the board. All parts are labelled
in the top silkscreen. Except a couple, the 1N4148 gate diodes are not marked.
These are D18,D17,d16 etc.
I forget if any others are missing.
Use HY4008 FETs. Buy more than enough to build 2 boards. You may well need the spares
when the board blows.
The 5 x 10uF 25V can be something larger if you like, maybe 47uf
I used 25V 100uf caps. It ran well.

My builds using these boards only used 4 x 4 Fets for the home inverter
and 4 x 3 FETs for the test inverter. I see no need to build the full 4 x 6 FETs
unless you expect heavy duty service. 6kW + for hours on end. This is a lot of battery and most people may not have this DC power available.

48V DC for best results. I do not support 24V or 12V builds. You will be on your
own if you go there.

it looks like this
http://www.thebackshed.com/forum/ViewTopic.php?TID=13650&P=2#167180

11kW peak power with 4 x 3 HY4008 FETs
http://www.thebackshed.com/forum/ViewTopic.php?FID=4&TID=9409&LastEntry=Y#166999#166980

pdf
PCB_PCB_madboard 24.5mm v4_2021-05-16.pdf

gerber zip file
Gerber_PCB_madboard 24.5mm v4.zip

jclpcb loads the above gerber zip file and give me a price
of $115 for 5 boards. You need to specify 2oz copper.
1.6mm board thickness is fine.
$115 for 5 boards, using DHL express delivery.
This is less than $25 a board.