11.5
Derating data
11.5.1
Current derating as a function of the installation altitude
The permissible converter output current is reduced above an installation altitude of 1000 m.
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Permissible line supplies dependent on the installation altitude
● Installation altitude is up to 4000 m above sea level.
● Output voltage is reduced above an installation altitude of 2000 m.
● For installation altitudes ≤ 2000 m above sea level, it is permissible to connect the converter
to any of the line supplies that are specified for it.
● For installation altitudes 2000 m to 4000 m above sea level, the following applies:
– Connection to a TN line system with grounded neutral point is permissible.
– TN systems with grounded line conductor are not permitted.
– The TN line system with grounded neutral point can also be supplied using an isolation
transformer.
– The phase-to-phase voltage does not have to be reduced.
Technical data
11.5 Derating data
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
867
Содержание SINAMICS G120XA
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Страница 12: ...Table of contents SINAMICS G120XA converter 10 Operating Instructions 03 2019 FW V1 0 A5E44751205B AB ...
Страница 104: ...Wiring 4 2 Control interfaces SINAMICS G120XA converter 102 Operating Instructions 03 2019 FW V1 0 A5E44751205B AB ...
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