Danfoss Vacon NXP Series, Руководство по эксплуатации, Страница: 147 / 174

12.7 Power ratings
12.7.1 Overload Capability
The
low overload
means that if 110% of the continuous current (I
L
) is required for 1 minute every 10 minutes, the remaining 9 minutes
must be approximately 98% of I
L
or less. This is to make sure that the output current is not more than I
L
during the duty cycle.
e30bg038.10
IL
IL*110%
1 min 9 min
I
t
IL*110%
Illustration 56: Low Overload
The
high overload
means that if 150% of the continuous current (I
H
) is required for 1 minute every 10 minutes, the remaining 9
minutes must be approximately 92% of I
H
or less. This is to make sure that the output current is not more than I
H
during the duty cycle.
e30bg039.10
IH
IH*150%
1 min 9 min
IH*150%
I
t
Illustration 57: High Overload
For more information, refer to the standard IEC61800-2 (IEC:1998).
Specifications Operating guide | VACON® NXS/NXP Air-cooled
DPD00910G | 147
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