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Setting Imported SMA Inverter Standards: EN50438 or Other Options?

Jan_Werbinski 38613 15
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  • #1 15690015
    Jan_Werbinski
    Level 33  
    What standard (country standard) should be set on imported SMA inverter?

    EN50438 or other?
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  • Helpful post
    #2 15690055
    taniam
    Level 20  
    Jan_Werbinski wrote:
    What standard (country standard) should be set on imported SMA inverter? ...


    If there are no settings for Poland, then EN50438
  • #3 15690153
    Tech132
    Level 28  
    Set to Germany and it will be ok
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  • #4 15690166
    Jan_Werbinski
    Level 33  
    Undoubtedly, Germany will be better in terms of 253V for those who do not fit.
    However, there are other possibilities: setting ACVtgRPro, preferably LdVtgC.
    The latter seems to be the right way. What do you think?

    The inverter with which I had problems had the Belgian settings - more restrictive than the Polish ones. That's probably why I had problems.
  • #5 15690737
    Tech132
    Level 28  
    Jan only Germany
  • #6 15691704
    Jan_Werbinski
    Level 33  
    So far, pure EN50438 and zero disconnections. With this standard, the inverter has set voltage limits: maximum ten-minute average at 253V, and maximum instantaneous disconnection at 260V.

    The maximum instantaneous AC voltage measured on the inverter that I noticed was 251.7V, and a bit later on the meter 250.8V. Sunday afternoon is the highest tension. So I don't have to worry. :)
  • #7 18538121
    fazik
    Level 17  
    What are the upper voltage values according to the standards:
    - Polish
    - German GERMANY VDE 0 126 and VDE-AR-N4105
    - Italian ITALIA (CEI0-21)
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  • #8 18538423
    Jan_Werbinski
    Level 33  
    Poland is probably 230V +/- 10%, i.e. 207-253V.
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  • #9 18538459
    fazik
    Level 17  
    OK, and Italian and German?
  • #10 18538476
    sq9fmc
    Level 29  
    Setting Imported SMA Inverter Standards: EN50438 or Other Options?

    Partly outdated when it comes to power but voltage OK.
  • #12 20057400
    LordZiemniak
    Level 15  
    If the inverter is in Poland, it is to work according to the Polish standard, and not the German or another ... ZE as he says otherwise, i.e. that you introduce interference to the network may cut you off from it.
  • #13 20057416
    msr99
    Level 20  
    krzysztofwyzinski78 wrote:
    What can the power plant do if it sees that the inverter does not turn off at 253 V. And it is on the German code. What are the consequences


    The guest wrote here that the inverter did not turn off and he blew something around 260V - ZE tracked him and sent a letter for a change (it was probably at Sofar) threatening to terminate the prosumer contract.

    And the best thing is that nothing has burned him - which I believe, because nobody produces equipment for "Poland" or "Italy" ....
  • #14 20057420
    DiZMar
    Level 43  
    With remote, continuous reading of data from a bidirectional meter ZE, such cases can be detected on a regular basis. The question of the right program and the parameters set in it.
  • #15 20057422
    msr99
    Level 20  
    Tia And I want the AI / ML to detect the anomaly :) PGE is unable to issue an invoice for April because "the system is being modernized" ...

    For ET to do something, someone has to notify ET that there is too much voltage. Then they will start looking.
  • #16 20057424
    LordZiemniak
    Level 15  
    For example, when a neighbor sees a neighbor boasting about the beauty of production, while your inverter is turned off, you notify the EV about the situation :) )
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Topic summary

The discussion centers around the appropriate standards for setting imported SMA inverters, particularly whether to adopt EN50438 or other national standards. Participants suggest using EN50438 if no specific Polish settings exist, while others recommend setting the inverter to German standards for better voltage management. The conversation highlights the importance of adhering to local standards to avoid network interference and potential disconnections. Voltage limits under EN50438 are noted, with maximum thresholds of 253V for average readings and 260V for instantaneous disconnections. Comparisons are made with Polish, German (VDE 0 126, VDE-AR-N4105), and Italian (CEI0-21) standards, emphasizing the need for compliance with local regulations to prevent issues with energy providers.
Summary generated by the language model.
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