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Protection & Control
Generator Protection



889 Generator Protection System
  • Primary or backup protection for generators
  • Suitable for combined generator and in-zone transformer differential protection
  • Support for a wide range of communications protocols, network architectures, and time synchronization, including Modbus, DNP 3.0, IEC 61850 Edition 2, and IEEE 1588 Time Sync
P346 Small Generator Protection with Differential
  • Advanced generator management relay with differential protection for small/medium generators
  • Comprehensive generator and transformer protection and condition monitoring
  • The P346 is under last-time buy. Orders may be placed until 15th June 2024 and will be fulfilled based upon availability. As an alternative, please refer to P343 ,889 ,G60 or G30.
G60 Generator Protection System
  • Comprehensive protection for AC generators.
  • Suited to any size of generator driven by steam, gas, hydraulic or other turbines.
  • Large color graphical HMI and high density I/O option available.
P342 Small Generator Management IED
  • Advanced generator management relay for small generators
  • Programmable curves for easy protection customisation
  • Support for a wide range of communication options including MODBUS, IEC60870-5-103, DNP 3.0 and IEC61850
  • P342 is under last-time buy.Orders may be placed until  29th March 2024 and will be fulfilled based upon availability. As an alternative, please refer to 889
G30 Generator Protection System
  • Cost effective protection of small to medium sized generators
  • Suited to combined generator and transformer protection.
  • Large color graphical HMI and high density I/O option available.
P343 Medium to Large Sized Generator Management IED
  • Advanced generator management relay for medium/large generators
  • Comprehensive generator and transformer protection and condition monitoring
  • Support for a wide range of communication options including MODBUS, IEC60870-5-103, DNP 3.0 and IEC61850
P341 Interconnection Protection Relay
  • Comprehensive protection for interconnecting distributed resources with the electric power system
  • Provides Dynamic Line Rating (DLR) for transmission line capacity optimization
  • The P341 is under last-time buy. Orders may be placed until 1st December 2024 and will be fulfilled based upon availability. As an alternative, please refer to P14DG or P143 or 850D.
GPM-F Field Ground Protection Module
  • Providing advanced field ground fault protection for generator applications
  • Continuously monitors and protects the generator during stopped, starting and running conditions for increased asset life
P345 Large Generator Management Relay with Stator Earth Fault
  • Advanced generator management relay with low frequency injection 100% stator earth fault for large generators
  • Comprehensive generator and transformer protection and condition monitoring
  • Support for a wide range of communication options including MODBUS, IEC60870-5-103, DNP 3.0 and IEC61850
P14DG Distributed Generator Interconnection Relay
  • Directional Feeder Management relay for small generator protection
  • Available in either a 30TE or 40TE cases
  • TCS and Ethernet communications available together in 40TE case
  • Check sync and voltage restrained overcurrent protection and power function included
GPM-S Stator Ground Protection Module
  • Sub-harmonic injection based stator ground protection provides early detection of ground fault conditions
  • Detect ground faults through 100% of the stator winding including neutral point
489 to 889 Generator Protection System
  • Fast, 3-step solution to upgrade previously installed SR 489 relays to the advanced Multilin 889
  • Eliminates the need for modifications to switchgear cut-outs, re-wiring, and new drawings or re-engineering
P391 Rotor Earth Fault Module
  • Detects rotor earth fault faults in the field winding of the generator.
  • Requires the P34x relay to have the current loop CLIO hardware option fitted.
  • Used with P342, P343, P344, P345 and P346 Generator protection relays
DGPR Retrofit Solution
  • Fully integrated retrofit solution of GE's legacy Multilin DGP Generator Protection Relay
  • Suited for large hydro, gas and steam turbine generators