User Manual 2 Product Introduction
13
Grid Under-voltage Derating
Once the grid voltage is in the defined range of Vgrid (Vmin…215V), the inverter
will decrease the power output.
P
[Vmin…215V]
= Pn
×
(Vgrid / 230V)
Fig. 2-7 Grid Under-voltage Derating
Over-temperature Derating
Power modules over-temperature may result from high ambient temperature, poor
ventilation or fault of fans. Over-temperature derating may protect the inverter as
well as the power modules against damage.
Fig. 2-8 Over-temperature Derating
Power Limit Setting
User may allocate output power value of the inverter via LCD control panel; refer to
10.10 Running Parameter Setting.
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