logo elektroda
logo elektroda
X
logo elektroda
Advanced Search
logo elektroda

Huawei SUN2000 Inverter: WIFI Dongle Connection, Firmware Update & FusionSolar

Bob271 374952 1360
ADVERTISEMENT
Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
Reply | New topic
  • #781 20035160
    mail2
    Level 2  
    Hello,

    can someone please share the default settings of German Grid Code VDE-AR-N 4105?

    I would like to compare the default settings with mine, as I cannot select this Grid Code (Chinese Version).

    Huawei SUN2000 Inverter: WIFI Dongle Connection, Firmware Update & FusionSolar Huawei SUN2000 Inverter: WIFI Dongle Connection, Firmware Update & FusionSolar

    Would be great!

    Thanks in advance.
  • ADVERTISEMENT
  • #782 20035884
    szczukot
    Level 14  
    Not really - but that would have to be done by everyone on your network, I guess that would make sense :)
    Actually, I don't know - there is something in this logic - maybe it will work ...
  • #783 20035994
    speedy9
    Helpful for users  
    @ robak75 You should be interested in WHY your inverter is shutting down first. As you will know, then you can look for a solution to the problem. Instead of implementing random solutions first, hoping that something will help.
  • #784 20036167
    ROBAK75
    Level 12  
    speedy9 wrote:
    @ robak75 You should be interested in WHY your inverter is shutting down first. As you will know, then you can look for a solution to the problem. Instead of implementing random solutions first, hoping that something will help.

    Of course it turns off because the mains voltage is too high. On sunny days, the voltage exceeds 253V, the inverter turns off for a few minutes and then turns on. And so on and on until the sun goes down and so does the voltage in the network. So far, my record from May 19, 2022 is 9 inverter shutdowns (my friend had 13 shutdowns a few kilometers away on the same day).
    Tauron repeats like a mantra that you need to change the reactive power settings and that's it.
  • #785 20036188
    speedy9
    Helpful for users  
    Half of the internet has probably been written about the problem of switching off inverters ;) Most often this is due to a more prosaic fact than the reactive power settings. The network simply cannot take the excess power. The local consumption is too small and the problem is ready.
    Interesting fact: I think the inverter turned off at the end of March this year (I have been installing it for almost 2 years). Before I reported the topic to Enea, the problem "solved" itself. One of the neighbors on the estate (terraced houses), which does not have photovoltaics, has a connection to the building burned out. The energy emergency service repaired and from that moment the inverter stopped turning off for me ... Also the actual reasons for the shutdowns can be very different.
  • ADVERTISEMENT
  • #786 20039025
    macif
    Level 3  
    I have 2 problems with the inverter. One cannot connect to it, and the other that turns off every 20 minutes. I have a message while connecting to the device "unable to connect to the device please try again later." oh yes, for 2 months after the last update. Inverter WiFi is working, cellular data is off. As for switching off, is it possible to limit the reactive power on the inverter? If so, how to do it?
  • ADVERTISEMENT
  • #787 20039629
    xszuflax
    Level 11  
    Hi,

    Can someone add release notes with V100R001C00SPC145 (inverter) and V100R001C00SPC128 (dongle)

    interesting that they jumped over 143 and 144.

    Regards,

    Marcin
  • #788 20041528
    gosiak4003
    Level 2  
    macif wrote:
    I have 2 problems with the inverter. One cannot connect to it, and the other that turns off every 20 minutes. I have a message while connecting to the device "unable to connect to the device please try again later." oh yes, for 2 months after the last update. Inverter WiFi is working, cellular data is off. As for switching off, is it possible to limit the reactive power on the inverter? If so, how to do it?


    From January I had the same problem as you when it comes to the lack of connection to the inverter. My "experts" in photovoltaics have been to me 8 times (although I had more knowledge at this stage than them about my inverter ;) ) If your inverter is connected to the Internet, you can probably restore it to the previous version of the system from the cloud. I do not know exactly how it works, because mine was not connected to the net (he did not want to connect to the router either at the request or the threat). The gentlemen ordered me a new dongle, but before installing it, they told me to update the software .. And from January to May 12, they argued on my behalf with huawei support that it could not be fixed.
    After 5 months, huawei agreed with them and sent me a new inverter ..

    Can anyone help me with finding voltage surge suppression in inverter settings and set them? I have instructions in both FusionSolar and Sun2000 and both apps don't have this feature .. (from installer account). Has it changed its name?
    Unfortunately, the company that made me photovoltaic stopped interested in me after they had been to me a thousand times regarding the inverter :P yes, I know that I have a guarantee, etc, etc .. But what if I lose the real sunshine because of too high voltage in the network ..
  • ADVERTISEMENT
  • #789 20041704
    bykmark
    Level 11  
    Hello.

    I have a question how to use the SUN2000 application and where to remove - disable / change so that the inverter status option is not enabled, scheduling the power grid, characteristic curve.

    The reactive power balancing was unnecessarily turned on and an option appeared as in the Fussion Solar program screenshot

    Thank you for any tips

    Can anyone help with this ??

    Huawei SUN2000 Inverter: WIFI Dongle Connection, Firmware Update & FusionSolar
  • #790 20041813
    speedy9
    Helpful for users  
    gosiak4003 wrote:
    Can anyone help me with finding voltage surge suppression in inverter settings and set them?

    It should be here:
    Huawei SUN2000 Inverter: WIFI Dongle Connection, Firmware Update & FusionSolar
  • #791 20042218
    macif
    Level 3  
    gosiak4003 wrote:
    From January I had the same problem as you when it comes to the lack of connection to the inverter. My "experts" from photovoltaics have been to me 8 times (although I had more knowledge at this stage about my inverter) If your inverter is connected to the Internet, it is said that you can restore the previous version of the system from the cloud. I do not know exactly how it works, because mine was not connected to the net (he did not want to connect to the router either at the request or the threat). The gentlemen ordered me a new dongle, but before installing it, they told me to update the software .. And from January to May 12, they argued on my behalf with huawei support that it could not be fixed.
    After 5 months, huawei agreed with them and sent me a new inverter ..

    I wrote to the Huawei support. I even sent a video of what it looks like, but no one has contacted me for 3 days. I have the inverter connected to the Internet, so if possible, they can restore the previous version of the software.

    Another topic: Has anyone had a problem with the inverter turning off during strong sun? I found such a solution to the problem https://bbpv.pl/producenci/funkcja-qu-jako-za...aczania-falownik-przy-zbyt-duzym-napieciu-ac/ has anyone used it? Can it be set from the Wifi position of the inverter or do you have to ask the installer? If they fix my wifi connection with the inverter, I'm going to change this option. It's probably the same as above ;)
  • #792 20043889
    maximilianschnabel
    Level 1  
    Czy ktoś może mi udostępnić do pobrania oprogramowanie sprzętowe V100R001C00SPC145?
  • #793 20043954
    prose
    Level 35  
    @macif This button will help and reduce the production.
  • #794 20046100
    bladesss
    Level 11  
    Does anyone else have a problem with the connection to the inverter today?
  • #795 20046272
    bomilek80
    Level 2  
    Hello
    My inverter is also not connecting to the grid today. Before that, there were no problems.
  • #797 20046307
    bomilek80
    Level 2  
    The inverter has already connected to the grid
  • #798 20046386
    qrko
    Level 14  
    For me and my friends, I turned on reactive power compensation in accordance with the recommendations of Tauron. There are no two identical days, so it's hard to compare, but I think it is slightly better after all.

    But I am not talking about it, yesterday browsing the inverter options, I found the "voltage increase suppression" parameter, I do not know if it was earlier or only in the 14x updates, but I decided to take a look at it. From what I was able to find out:

    The voltage rise suppression function works as follows: when the voltage is high enough, the inverter analyzes this and starts to produce a certain amount of reactive power to the line to compensate for the voltage rise. The amount of reactive power and the time of its generation are automatically controlled, so you can be sure that the inverter is always trying to produce as little reactive power as possible.

    There are two parameters that can be changed to control this function:
    - Adjustment point of the reactive voltage surge suppression
    - Active point of decreasing the voltage surge suppression

    The first controls when the reactive power starts feeding into the grid and the second controls when the inverter starts lowering its output power to keep working. All these parameters are set in% of the mains voltage and can be changed to start reactive power production as late as possible and also to keep the system alive.

    Maybe someone knows how to use it further. I once lowered the output power of the inverter from 10kW to 4kW and I did not have a single shutdown on a sunny day (normally 5-10 times, sometimes it will even reach 15) only the profit from it, because the output amount of energy produced was the same as for 10kW from 10 inclusions. Ideally, the output power would be limited only temporarily when a high voltage is detected on the grid and when the voltage drops or when the averages for the last 10 minutes have dropped sufficiently to remove the limit and let the inverter go to full speed.
  • #799 20046477
    bladesss
    Level 11  
    xszuflax wrote:
    Hi,

    Can someone add release notes with V100R001C00SPC145 (inverter) and V100R001C00SPC128 (dongle)

    interesting that they jumped over 143 and 144.

    Regards,

    Marcin


    Maybe you were able to find this changelog? In total, I show the latest soft dongle with the 127 tip (and I have 116 ... ? installed ;)

    Added after 33 [seconds]:

    bomilek80 wrote:
    The inverter has already connected to the grid


    For me it is back to normal as well
  • #800 20047068
    gosiak4003
    Level 2  
    qrko wrote:
    For myself and my friends, I turned on reactive power compensation as recommended by Tauron. There are no two identical days, so it's hard to compare, but I think it is slightly better nonetheless.

    But I'm not talking about it, yesterday browsing the inverter options, I found the "voltage increase suppression" parameter, I do not know if it was earlier or only in the 14x updates, but I decided to take a look at it. From what I was able to find out:


    Can you tell me exactly where did you find it? Which app? (on the phone? android?).
    I can't find this option in Sun2000 on ios, although I click as it should, I can't switch to expert mode: /
  • #802 20047421
    qrko
    Level 14  
    gosiak4003 wrote:

    Can you tell me exactly where did you find it? Which app? (on the phone? android?).
    I can't find this option in Sun2000 on ios, although I click as it should, I can't switch to expert mode: /


    Android SUN2000, power control, reactive power control, QU curve.
  • #803 20047739
    xszuflax
    Level 11  
    domelek wrote:
    Version 145 changelog ...


    Master!
  • #804 20048796
    macif
    Level 3  
    Can you get to the inverter menu via lan? Only via Wifi?
  • #805 20049750
    bladesss
    Level 11  
    macif wrote:
    Can you get to the inverter menu via lan? Only via Wifi?


    Under the plug on the wifi dongle you have a rj45 socket ?
  • #806 20049770
    macif
    Level 3  
    bladesss wrote:
    Under the plug on the wifi donglu you have a rj45 socket ?

    I know where the socket is, the question was whether you can get to the inverter menu through this socket :)
  • #807 20049837
    lizak1983
    Level 15  
    macif wrote:
    Can you get to the inverter menu via lan? Only via Wifi?


    It is rather impossible to use LAN, at least for me. I only have the settings for communication there. But with the appropriate firmware in the donglu, you can connect via LAN with the modbus-TCP protocol to the inverter and read (I suppose also change) the data and settings of the inverter.
  • #808 20050222
    szczukot
    Level 14  
    Recently, the topic of switching off inverters due to overvoltage has been often discussed.
    Well, on my part, I can recommend one more simple solution: any large energy receiver (e.g. a heater in a utility water tank), turned on automatically when the set voltage is exceeded. Electricity will not be wasted, and the fan will not turn off.
    The easiest way: tuya socket (price from PLN 40-50) + Tasmota software (uploaded to this socket).
  • #809 20050240
    xszuflax
    Level 11  
    szczukot wrote:
    Recently, the topic of switching off inverters due to overvoltage has been often discussed.
    Well, on my part, I can recommend one more simple solution: any large energy receiver (e.g. a heater in a utility water tank), turned on automatically when the set voltage is exceeded. Electricity will not be wasted, and the fan will not turn off.
    The easiest way: tuya socket (price from PLN 40-50) + Tasmota software (uploaded to this socket).


    Hey, that's how we wrote about such a solution more than once.

    The problem is you need to have 3 sockets on 3 phases and 3 receivers, unless you stick with force but then you cannot fit the sockets. The inverter will turn off when it detects 253V on one of the phases and if you increase the consumption on one, it will turn off anyway because the other two will have too high voltage.

    I did automations with air conditioning through HA, but the air conditioning is also only on one phase.
  • #810 20050263
    szczukot
    Level 14  
    Not necessarily 3 sockets. One thing is enough to turn on any 3-phase device (for people with 3-phase inverters) through a contactor, etc.
    And 400V heaters for boilers are full.
    You can also the smallest 3-phase air conditioner. But here the money is much bigger. But on the other hand, as solar panels give the maximum, it can be suspected that the air conditioning may be useful at this point :)
    You can even give bulbs of high power ;)
Reply | New topic
Report a violation of the law

Topic summary

The discussion centers on issues and configurations related to Huawei SUN2000 series inverters, particularly focusing on WiFi dongle connectivity, firmware updates, and the FusionSolar platform. Users report successful inverter commissioning and firmware updates but face persistent problems connecting the WiFi dongle, which often blinks red and appears offline in FusionSolar. A reliable workaround is connecting the dongle via Ethernet cable to the router. Changing WiFi network credentials requires logging directly into the inverter through FusionSolar or FusionHome apps, as remote password changes are not supported. Installer accounts have broader configuration permissions than owner accounts, which often restrict access to settings such as location, currency, and power configuration. The discussion also covers optimal network code selection (e.g., Germany-VDE-AR-N-4105 for Poland), MPPT multi-peak scanning settings for shadowed panels, and string capacity configuration aligning with physical panel connections. Users note that inverter startup voltage and MPPT voltage ranges affect minimum panel string length, with debates on using 140V or 240V for calculations. Firmware updates are available but may not always be visible to all users simultaneously; some recommend downgrading FusionSolar app versions to resolve login or configuration issues. The FusionSolar platform's interface and permissions can be non-intuitive, with some users unable to modify installation parameters without installer access. Additional topics include inverter automatic shutdown due to high grid voltage, anti-PID function requiring external devices, and integration with Huawei DTSU666-H smart meters, which are often auto-detected. Overall, the thread provides practical advice on inverter setup, network configuration, firmware management, and troubleshooting communication issues with Huawei SUN2000 inverters and associated software tools.
Summary generated by the language model.
ADVERTISEMENT