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Siemens SIPROTEC 7SJ80 User Manual

Siemens SIPROTEC 7SJ80
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Configuring the Reverse Power Protection in DIGSI
First create and open a 7SJ64x (e.g. 7SJ642) device in DIGSI Manager. Configure a flexible protection function
(flexible function 01) for the present example in the Device Configuration.
[funktionsumfang-flexfkn01-030204-he, 1, en_US]
Figure 2-106 Configuration of a flexible protection function
Select “Additional functions” in the „Parameters“ menu to view the flexible function
The parameter selection options for the flexible protection functions primarily depend on the settings made in
the Power System Data 1 for the connection of the voltage and current transformers (Addresses 213 and 251).
[flexfkn-weitere-funktionen-030204-he, 1, en_US]
Figure 2-107 The flexible function appears in the function selection.
First activate the function at “Settings --> General” and select the operating mode “3-phase”
2.19.3
Functions
2.19 Reverse-Power Protection Application with Flexible Protection Function
258 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017

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Siemens SIPROTEC 7SJ80 Specifications

General IconGeneral
Rated Frequency50/60 Hz
Rated Current1 A / 5 A
Operating Temperature-25°C to +55°C
Storage Temperature-40°C to +70°C
Current Transformer Inputs4
ApplicationProtection of feeders, motors, transformers, and generators
Rated Voltage100-240 V AC/DC
Communication ProtocolsIEC 61850, Modbus, DNP3, IEC 60870-5-103
DisplayGraphical LCD
MountingFlush mounting
Protection FunctionsOvercurrent, Earth fault
Communication InterfacesEthernet, RS485
HousingPlastic
WeightApprox. 1.5 kg

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