GMR

Generator Protection & Management Relay

21,24,27/59,32,37,40,46,49,50/27,50V/51V ,51BF,60FL,64S,81

  • F21 : Two under-impedance elements.
  • F24 : Two over excitation levels.
  • F27/59 : Two over/under voltage elements.
  • F32 : One Reverse power protection element.
  • F37 : One under-power level.
  • F40 : One inpedance element for Loss of Field protection.
  • F46 : Two unbalance elements
  • F49 : Thermal image element with prealarm level
  • F50/27 : Inadvertent C/B closure protection
  • F50V/51V : Two voltage-controlled overcurrent levels
  • F51BF : Breaker Failure protection
  • F60FL : PTs' fuse failure protection
  • F64S : Two 95% Stator Earth Fault protection elements / One 100% Stator Earth Fault protection element
  • F81 : Two over/under frequency elements
  • Event Recording (last 100 events)
  • Trip Recording (last 20 trips) complete with cause of tripping and values of the input quantities at the moment of trip
  • Oscillographic recording of input quantities (8 channels, 32 sample/cycle, 3 sec each)
  • 6 Output Relays user programmable
  • 4 Digital Inputs user programmable
  • Blocking input and Blocking output for pilot wire selectivity coordination
  • Trip circuit supervision
  • Associated Circuit Breaker control (OPEN / CLOSE)
  • Complete autodiagnostic program with dedicated relay
  • Graphical Display (128x64 dot)
  • 4 Leds for signalization
  • Multilanguage Display (English/Italian standard, available - other on request)
  • 1 RS485 Serial communication port on rear side
  • 1 RS232 Serial communication port on front panel
  • Modbus RTU / IEC870-5-103 Communication Protocols
  • Canbus port for external additional modules
  • 2 Module box (3 modules with 1 expansion, 4 modules with 2 expansion)
  • IP44 protection case (on request IP54)
  • Totally draw-out execution

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