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[Solved] PowerOne ABB Inverter Disconnection at High Network Voltage - 4.5kw, 1 Phase, 260V

chrobry25 24222 21
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  • #1 16324065
    chrobry25
    Level 14  
    4.5kw installation, 1 phase PowerOne ABB inverter. If the voltage in the network is 230V, everything works fine. At maximum production, the inverter increases the voltage to about 255V. Unfortunately, the voltage in the network is often above 240 V, which means that the inverter must raise the voltage higher, it reaches probably 260 and the inverter is disconnected. The situation repeats itself until the afternoon hours. The voltage of 240V is normal, so any complaint is not an option. Can you do anything?
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  • #2 16324076
    Kwazor
    Level 33  
    Increase the "stiffness" of the network on its side (ie the building), i.e. increase the diameter / add one more pair of cable.
  • #3 16324571
    prose
    Level 35  
    I also had this problem, so I chose the phase with the lowest voltage and switched the consumption for this phase. @Kwazor wrote an important case wires with a larger cross-section.
    Check all wire connections on contacts downstream of the meter.
  • #4 16368581
    Jan_Werbinski
    Level 33  
    I had that too. I thickened the wires and corrected the connections. A little better.
    However, it was most helpful to look at the inverter configuration and switch from Austria to Poland. :)
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  • #5 16374286
    Lesio_Q
    Level 20  
    And I am thinking of using an automatic phase switch, something like PEF-301.
    On it you can set the upper voltage limit and it will change the phase to the one with the lower voltage.
    Link
  • #6 16374406
    chrobry25
    Level 14  
    As for the phase switch, it's a bit of a risky thing, too frequent switching will definitely not do well for the inverter.
    Currently, I am at the stage of adding one additional pair of wires. This will increase the diameters by about 60% in total. But I don't count on miracles. If the inverter starts working from 240V, what to expect at 4.5kW?
    What is your voltage like before the inverter works?
  • #7 16374451
    3301
    Level 34  
    Take voltage measurements on the connection, if you have access there, in the main board and on the inverter when the inverter is working or with a similar load, and you will draw conclusions whether it is enough to increase the cross-section to the inverter or up to the connection.
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  • #8 16374543
    Jan_Werbinski
    Level 33  
    If the inverter stops working at 240V, make it run to 253V or replace it with a good one. It doesn't make sense to sculpt in g.
  • #9 16374686
    3301
    Level 34  
    The inverter is rather efficient, because as it says that it turns off at approx. 260, the problem may be stiffness, only in the installation. inside or in the network, and this will result from the measurements.
  • #10 16374750
    Jan_Werbinski
    Level 33  
    If it switches off at 260, it should first not be used in this configuration, and secondly, such voltage cannot occur in an efficient installation. Voltage drops should be reduced by increasing the thickness of the wires, the quality of connections, etc.
  • #11 16375131
    joy
    Level 21  
    I had an identical problem, 100m from the pole, a new connection made with earth, a new installation in the house, and the rest of the network in terrible condition. Voltage during the day 242V without the inverter running, I chose the "best" phase but it didn't work. So I wrote a letter to Tauron, I described everything nicely after a month, the gentlemen came connected the analyzer in the connection box for 7 days, after 2 weeks they lowered the voltage by 10V for a trafo and again the analyzer for 7 days. Final case for a year, the inverter has been working without any problems, zero shutdowns due to too high voltage.
  • #12 16495006
    chrobry25
    Level 14  
    Following your example, I called PGE to see if they could do something about it. Some young head in chammy put it this way: please make a complaint if something does not fit and we are still within the norm, so we will not do anything. My hands dropped.
    For now, I am increasing the cross-section of the wires, I hope that something will help.
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  • #13 16495025
    Lesio_Q
    Level 20  
    Then throw in luck at the exit :|
  • #14 16495282
    3301
    Level 34  
    chrobry25 wrote:
    Following your example, I called PGE to see if they could do something about it. Some young head in chammy put it this way: please make a complaint if something does not fit and we are still within the norm, so we will not do anything. My hands dropped.
    For now, I am increasing the cross-section of the wires, I hope that something will help.


    As you already have from the inverter to the meter and further to the 6mm2 connection, increasing the cross-section will not help much, start with voltage measurements on the above-mentioned section, loading the phase you are interested in, e.g. 4-5kW with a heater.
  • #15 16495723
    Anonymous
    Level 1  
  • #16 16495872
    prose
    Level 35  
    If you have a voltage up to 253, it is within the tolerance and you won't do anything by calling or writing, just set the inverter to 264 V and you're done.

    Added after 3 [minutes]:

    And if you have old inverters up to 253 V, it is difficult to load the phase with a heater and the voltage will drop and the inverter will work.
  • #17 16496610
    Jan_Werbinski
    Level 33  
    Lesio_Q wrote:
    Then throw in luck at the exit :|

    Good joke. On the surface, it looks like good advice. :D
  • #18 16496649
    Lesio_Q
    Level 20  
    Jan_Werbinski wrote:
    Lesio_Q wrote:
    Then throw in luck at the exit :|

    Good joke. On the surface, it looks like good advice. :D

    If the network can operate with higher voltage than the inverter allows - why not?
  • #19 16496678
    rafbid
    Level 33  
    prose wrote:
    If you have a voltage up to 253, it is within the tolerance and you won't do anything by calling or writing, just set the inverter to 264 V and you're done.
    Will other devices connected to the network stand it?
  • #20 16496821
    Jan_Werbinski
    Level 33  
    Lesio_Q wrote:
    Jan_Werbinski wrote:
    Lesio_Q wrote:
    Then throw in luck at the exit :|

    Good joke. On the surface, it looks like good advice. :D

    If the network can operate with higher voltage than the inverter allows - why not?

    He turns off at 260V. The use of a transformer will raise this voltage even higher. And then... :)
  • #21 16496956
    rafbid
    Level 33  
    Jan_Werbinski wrote:

    Lesio_Q wrote:
    Jan_Werbinski wrote:
    Lesio_Q wrote:
    Then throw in luck at the exit

    Good joke. On the surface, it looks like good advice.

    If the network can operate with higher voltage than the inverter allows - why not?

    He turns off at 260V. The use of a transformer will raise this voltage even higher. And then...
    The transformer has two primary and secondary windings, the inverter synchronizes with the primary winding, it can be 300V.

    The second way is to connect the 230/24 V transformer, the primary one in parallel to the network and the secondary ones in series, to lower the voltage by 24 V. But I can't imagine how the system would work when the current flows into the network ...
  • #22 17115853
    chrobry25
    Level 14  
    I close the topic, the inverter changed to 3f, there is no problem :)
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Topic summary

The discussion revolves around a 4.5kW, 1-phase PowerOne ABB inverter that disconnects when the network voltage exceeds 260V, particularly during peak production times. Users suggest various solutions, including increasing the wire diameter to enhance network stiffness, switching to a phase with lower voltage, and adjusting inverter settings. Some recommend using an automatic phase switch to manage voltage levels, while others caution against frequent switching due to potential damage to the inverter. A user successfully resolved similar issues by contacting the utility company, which adjusted the voltage supply. The conversation highlights the importance of proper wiring, voltage measurements, and inverter configuration in maintaining operational efficiency.
Summary generated by the language model.
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