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Inverter Sizing

 
Solar Photovoltaic (PV)
Last Post by Declan90 2 years ago
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 Declan90
(@declan90)
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Joined: 2 years ago
Posts: 38
Topic starter 26/08/2023 5:56 pm  

Just looking for advice on required inverter sizing vs hypothetical peak solar array output.

I've had a quote proposing 18 x Perlight Delta 425W Total Black Mono panels = 7.65 kWp (at STC) pared with a Huawei 6kW hybrid inverter. Roof is dead on south facing, 40 degree pitch. 

Stated logic, as I understand it, is that a) inverters work more efficiently towards the top end of their power output b) unlikely to see > 6kW often (would be full array operating >78% stated max)

and I guess c) some degradation in array output is anticipated over its lifespan

Please can I ask for thoughts on whether this seems reasonable / is in line with accepted logic? 


   
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