Installation and Operation Manual Page 104 of 104
(PVI-3.8/4.6-I-OUTD-US Rev.: 1.1)
NOTE: The curve for parallel channel configuration shows an area of non-
operation up to 90V, a linear derating area up to 170V (PVI-4.6), 140V (PVI-
3.8), an area of constant rated power and derating at high voltage starting
from 470V. In reality the non-operating area at low voltage depends on how
the minimum start-up voltage is set (default 200V). The converter, once
started up, will continue to operate according to the curve until a minimum
value of 70% of the start-up voltage set (i.e. with the default value set at
200V, the inverter will have a minimum operating voltage of 140V).
The curve for single channel configuration shows an area of non-operation
up to 90V, a linear derating area up to 210V an area of constant rated power
and derating at high voltage starting from 470V.
Necessary conditions for power derating due to environmental conditions and to input
voltage can occur at the same time, but in this instance power derating will always
consider the lowest value detected.
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