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Siemens SIPROTEC 7SS522 V4.6 User Manual

Siemens SIPROTEC 7SS522 V4.6
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Functions
166
7SS52 V4 Manual
C53000-G1176-C182-3
5.8 Power System Data
5.8.1 Mode of operation
The SIPROTEC 7SS52 V4 distributed busbar and breaker failure protection needs the
data of the power system to match its functions to these data.
5.8.2 Setting Notes
FREQUENCY The parameter FREQUENCY (5104/CU) is used to set the rated system frequency.
The default setting of 50 Hz need only be changed in power systems with a rated fre-
quency of 60 Hz.
5.8.3 Settings for the Central Unit
5.8.4 Settings of the Bay Unit
Note
The parameter FREQUENCY (7899/BU) can only be set with the bay unit running in
stand-alone mode.
The value entered in the central unit for the parameter FREQUENCY (5104/CU) is
not changed by this.
With the bay unit linked to the central unit, the setting of this parameter is transmitted
from the central unit to the bay units. The local setting in the bay units is overwritten.
Note
A device version with a rated frequency of 16.7 Hz is available under a separate
ordering code (MLFB).
Addr. Setting Title Setting Options Default Setting Comments
5104 FREQUENCY 50 Hz
60 Hz
50 Hz Nominal frequency
Addr. Parameters Setting Options Default Settings Comments
7899 FREQUENCY 50 Hz
60 Hz
50 Hz Rated system frequency
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Siemens SIPROTEC 7SS522 V4.6 Specifications

General IconGeneral
BrandSiemens
ModelSIPROTEC 7SS522 V4.6
CategoryPower distribution unit
LanguageEnglish

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