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Technical Specifications

Synchronization and paralleling relay for generators and power systems

Supports 6xV voltage inputs

Available with text or graphical display

Consideration of transformer vector group and tap changer

Synchronization record (instantaneous or RMS)

Full SIPROTEC 4 control functionality

Protection functions (optional):

Undervoltage protection (27)

Overvoltage protection (59)

Frequency protection (81)

Rate-of-frequency-change protection (81R)

Voltage vector jump monitoring

Monitoring functions:

Self-supervision of paralleling function

Measurement of operational values

8 oscillographic fault records

Communication interfaces:

IEC 60870-5-103, IEC 61850, PROFIBUS-DP, MODBUS RTU, DNP 3.0

Service and front interface for DIGSI 4 (modem)

Time synchronization via IRIG-B / DCF77

Applications: synchronization and paralleling in power plants, industrial systems, and utilities

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