Velocity Edge GX440 Instruções de Operação Página 484

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Technical specifications
12.2 General technical specifications
Drive converter cabinet units
484 Operating Instructions, 10/2008, A5E00288214A
Voltage derating as a function of the installation altitude
In addition to current derating, voltage derating must also be considered at installation
altitudes >2000 m above sea level.
Table 12- 4 Voltage derating as a function of the installation altitude (380 V – 480 V 3 AC)
Installation altitude
above sea level in m
Rated converter input voltage
380 V 400 V 420 V 440 V 460 V 480 V
0 to 2000 100 %
Up to 2250 100 % 96 %
Up to 2500 100 % 98 % 94 %
Up to 2750 100 % 98 % 94 % 90 %
Up to 3000 100 % 95 % 91 % 88 %
Up to 3250 100 % 97 % 93 % 89 % 85 %
Up to 3500 100 % 98 % 93 % 89 % 85 % 82 %
Up to 3750 100 % 95 % 91 % 87 % 83 % 79 %
Up to 4000 96 % 92 % 87 % 83 % 80 % 76 %
Table 12- 5 Voltage derating as a function of the installation altitude (500 V – 690 V 3 AC)
Installation altitude
above sea level in m
Rated converter input voltage
500 V 525 V 575 V 600 V 660 V 690 V
0 to 2000 100 %
Up to 2250 100 % 96 %
Up to 2500 100 % 98 % 94 %
Up to 2750 100 % 94 % 90 %
Up to 3000 100 % 91 % 88 %
Up to 3250 100 % 98 % 89 % 85 %
Up to 3500 100 % 98 % 94 % 85 % 82 %
Up to 3750 100 % 95 % 91 % 83 % 79 %
Up to 4000 100 % 91 % 87 % 80 % 76 %
Note
On systems with a grounded phase conductor and a line voltage >600 V AC, line-side
components should be installed to limit overvoltages to overvoltage category II in
accordance with IEC 60664-1.
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