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AQ G215 Generator Protection Relay

AQ G215-AQ G215 Generator Protection Relay

Sipariş No : AQ G215

AQ G215 is a generator protection IED optimized for small and medium size of synchronized machines. It integrates a full range of generator protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ G215 Generator Protection Relay


Protection Function ANSI     Protection Function ANSI
Three-phase instantaneous overcurrent protection - I>>> 50     Undervoltage protection 27
Three-phase time overcurrent protection - I>, I>> 51     Residual voltage protection - Uo >, Uo >> 59N
Residual instantaneous overcurrent protection - Io>>> 50N     100% Stator earth fault protection - U0f3 > 64F3
Residual time overcurrent protection - Io>, Io>> 51N     Overfrequency protection - f> 81O
Voltage restrained or voltage controlled overcurrent - Iv> 51V     Underfrequency protection - f< 81U
Directional three-phase overcurrent protection - IDir>,IDir >> 67     Rate of change of frequency protection - df/dt 81R
Directional residual overcurrent protection - IoDir>,IoDir >> 67N     Synchrocheck - SYNC 25
Underimpedance protection, Z< 21     Reverse power protection 32
Inrush detection and blocking - I2h > 68     Fuse failure - VTS 60
Current unbalance protection - Iub > 60     Loss of field/underexcitation protection - X< 40
Negative sequence overcurrent - I2 46     Overexcitation/volts per hertz, V/Hz 24
Thermal protection - T > 49     Breaker failure protection - CBFP 50BF
Overvoltage protection - U >, U >> 59        
  
  • Cost efficient synchronous machine protection
  • Large customizable HMI with configurable Mimic diagram
  • 16 freely configurable multi-colour LEDs with user description selectable texts
  • Measurement accuracy of up to class 0.2S
  • 3 Inputs (8/16/24/32 Optional) - 6 Outputs (5/10/15/20 Optional)
  • Up to 15000 events in permanent flash memory, 60MB memory for disturbance records and user files
  • IEC 61850, HSR, PRP, IEC 101,IEC 103, IEC 104, Modbus, DNP 3.0, SPA
  • NTP, Precision Time Protocol (PTP) according to IEEE 1588
  • Sub-cycle instantaneous trip times
  • Fast integrated arc protection
  • Frequency independent protection at 6…75Hz

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