julmou Posted May 29, 2022 Share Posted May 29, 2022 Good morning, I find the SMA "JP" models quite useful for low voltage systems (short strings): Sunny Boy 3500TL-JP-22 and Sunny Boy 4500TL-JP-22. I wanted to update the database with the newer version "Sunny Boy 5.5-JP", see link: https://www.sma.de/en/products/solarinverters/sunny-boy-55-jp.html However I have mainly two interrogations: In the datasheet, the efficiency is specified with "JIS Efficiency". I know what CEC and EURO efficiencies are, but it seems that a Japanese standard is used here. The problem is that I don't know how to translate it into the table in the "Efficiency curve" section of the inverter definitions (only the EURO and CEC efficiencies are calculated). Would it be worth implementing this JIS efficiency into PVsyst? Also, I don't know what to make of the output voltage at 202V. How are you supposed to connect it to a grid or to appliances? Thanks in advance for the help. Julien Link to comment Share on other sites More sharing options...
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