Origin: Caused by non-linear loads and power electronics, such as variable speed drives, inverters, or switching power supplies that 'chop' the waveform.
The most immediate solution for a persistent grid overvoltage error is for your installer to adjust the inverter's voltage trip points or "ride-through" settings, provided these adjustments comply with local utility regulations (such as IEEE 1547 standards).
However, the 4777 standard states that the maximum 10-minute AC over-voltage of an inverter is 258 Volts, (with some grid operators mandating 255 Volts).
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