Additional Protective Devices - Power One AURORA PVI-OUTD-US Series Installation And Operator's Manual

Photovoltaic inverters
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Installation and Operator's Manual
(PVI-3.0/3.6/4.2-OUTD-x-US Rev: 2.1)
2.4.3

Additional Protective Devices

The Aurora inverter is equipped with additional protections to guarantee safe operation
under any circumstances. The protections include:
constant monitoring of grid voltage to ensure that voltage and frequency remain
within the specified operational limits (in accordance with UL 1741 standard). For
more detail see paragraph 8.6.
automatic power limitation control based on internal temperature monitoring to
avoid overheating (heat sink temperature ≤70°C [158°F]).
Many control devices are fitted to Aurora, making its structure redundant, but at
the same time ensuring a perfect and fully safe operation.
Page 17 of 108

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