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Independence from power cuts

 
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Solar Photovoltaic (PV)
Last Post by Kev M 3 years ago
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 batalto
(@batalto)
Famed Member Member
Joined: 4 years ago
Posts: 1091
11/03/2022 6:11 pm  

@derek-m that's true, but you no matter the battery size you will be limited to 3kw of power at peak - 16amp in EPS mode.

The goodwe inverter also has an EPS switch, but the battery discharge is 5kw Vs 3kw. Therefore I would personally explore a different brand, get more power and more battery capacity for less money.

As I keep saying, all these batteries are the same inside - you are paying for the name/branding.

12kW Midea ASHP - 8.4kw solar - 29kWh batteries
262m2 house in Hampshire
Current weather compensation: 47@-2 and 31@17
My current performance can be found - HERE
Heat pump calculator spreadsheet - HERE


   
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 Derek M
(@derek-m)
Illustrious Member Member
Joined: 4 years ago
Posts: 4427
11/03/2022 7:37 pm  
Posted by: @ken

I'm no sparky but I'd have thought 16A would be sufficient to cover the inrush current for a well pump, that 3500W isn't it? 

Hi Ken,

If it is just important to run your well pump, you may wish to have a look at the equipment available at the UPS Centre.


   
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 Kev M
(@kev-m)
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Joined: 4 years ago
Posts: 1276
12/03/2022 8:16 pm  
Posted by: @batalto

 

@kev-m Inverter is an inverter - so pop it on the wall. The batteries are 440 x 750 x 270 and you've probably stack two on top of each other or place them facing upwards.

You obviously need the batteries next to the inverter - so you'd need a cupboard sized space and you'd put the batteries on the floor. 

IMG20210723143650

This is my battery setup - I've since tidied up those earth leads

Would be a garage job for me, lots of space there and dry.  Thanks.


   
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