Yes, non-standard software needs to be customized. Note that the three-phase 220VAC current is nearly twice as large as the 380VAC current, so it needs to be used at reduced power.
The mainstream of the anti-reverse solution is to use external CT and smart meters to realize the grid anti-reverse function. The smart meters adjust the output power of the inverter through 485 communication, and realize the self-generation of photovoltaic electricity. The plan requires the purchase of a special anti-reverse model, CT and smart meter, and the anti-reverse function need turned on in the settings.
Use multimeter to check whether IGBT is good according to the attachment.
Try to replace the control board with a new one.
Both GD100-PV and BPD support connect water level sensor, normally there are 2 water level sensors, full water sensor in water tank, and empty water sensor in well. The connection and control logic refer to the attachment file.
Please see attached for more details.
Change the setting: 'keep the original format of photo' in third option in 'HMI parameters settings'.
Please check the attached for reference.
Please check the attached for reference.
Please check the attached for reference.
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