25
SANKEN ELECTRIC CO., LTD.
December
201
6
PAN40004-001E
-02
Derating
Derating is applied to the base power unit and each DC module
independently. To prevent the load factor from being truncated
due to the derating, make sure the base power unit and each DC
module are used within specification, considering both derat-
ing of total rated power of base power unit and maximum rated
power of each DC module.
The derating characteristic of the products at various ambient
temperatures is shown in the chart below. This characteristic
applies to both the base power unit and each DC module. Make
sure to include both when calculating the total derating.
0
20
40
60
80
100
-20 -10 0 10 20 30 40 50 60 70
Loa
d Fa
ct
or
(%
)
Ambient Temperature (°C)
Derating characteristic versus ambient
temperature
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