The inverter shouldoperate normallywhen the input DCvoltage is in therange of 90–120percent of the nomi-nal input voltage.During the normaloperation of theinverter, its AC out-put voltage mustremain in the rangeof 220 volts ± 10%. (b) Inverter output oper-ating frequencyshould be in therange of 50 Hz ± 5%.
Based on the national standard, the protection range of the under-voltage and over-voltage at the AC output side is the 85%-110% of the rated voltage. The solar inverter operation shall be stopped when it exceeds this range.
Depending on whether your system voltage is 12V, 24V or 48V, your inverter should have an input voltage of 12V, 24V or 48V. When sizing the inverter, do not forget to compare the inverter’s surge rating to the expected surge requirements of the system.
nd the ACvoltage displayed on the inverter. If the tolerance is more than 3V, please calibrate the detected A :Fig.2 AC voltage shown on inverter displayConne the inverter to PC via USB to RS232 cable.Open the software, ShineCHK c to calibrate AC voltage as below picture.Disconnect the AC breaker, then type the whole number
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