XMR-D

Generator protection

XMR-D is a part of XMORE platform, the complete range of IEDs for Medium Voltage application including feeder, motor, generator, transformer and capacitor bank; it is the multifunction and comprehensive Motor and Generator protection relay, including Differential element.

Thanks to Hardware and Software modularity XMR-D is flexible and scalable in term of application and performance.




ACCURATE MEASUREMENTS

Enhancements to protect and analyze power system operation in disturbance conditions:

  • Up to 12 analogue inputs
  • 32 sample for cycle Oscillography fault recording
  • 64 sample for cycle measurement for accuracy of protection element
  • Up to 0,5 class Power and Energy measurement
TIME SYNCRONIZATION

Enhanced Time synchronization solution for SOE recording:

  • Precision Time Protocol PTP according to IEC1588
  • SNTP
COMMUNICATION SECURITY

Communication Security through redundancy protocol and Cyber Security package :

  • High available Seamless Redundancy support HSR
  • Parallel Redundancy Protocol support PRP
  • Rapid Spanning Tree Protocol RSTP
  • Advanced built in Cyber Security
NETWORK CONNECTIVITY

Widely implemented in Smart Grid and Substation Automation System:

  • IEC61850 Ed.1/Ed.2
  • IEC 870-5-103
  • Modbus (Serial/TCP)
  • DNP3 (Serial/TCP)



FUNCTIONS

Standard Protective & control elements
  • Under Impedence - 21
  • Over Flux(V/Hz) - 24
  • SynchroCheck - 25
  • Under Voltage - 27
  • Positive Sequence Undervoltage - 27V1
  • 100%Stator earth fault with 3rd harmonic - 27H - 59H
  • Directional active overpower - 32P
  • Directional reactive overpower -32Q
  • Directional active underpower - 37P
  • Directional reactive underpower - 37Q
  • Loss of Field - 40(M/G)
  • Out of Step Protection - 78
  • Under Current - 37
  • Negative sequence overcurrent transformer - 46LT
  • Negative /positive sequence current ratio - I2/I1
  • Thermal Image Transformer - 49LT
  • Thermal Image Motor/Generator - 49MG
  • Negative sequence overcurrent Motor/Generator - 46M, 46G
  • Phase reversal - 47
  • Unintentional energisation at standstill protection - 50/27
  • Phase overcurrent side H and side L - 50/51
  • Maximum Residual Overcurrent - 50N/51N
  • Maximum Residual Overcurrent(2) - 50N/51N(2)
  • Calculated Residual Overcurrent - 50N/51N (Comp)
  • Locked Rotor - PMSS - F51Rn
  • Voltage restraint overcurrent - 51V
  • Minimum Power Factor - 55
  • Overvoltage - 59
  • Residual Overvoltage - 59N
  • Rotor Earth Fault - 64F
  • Low impedance restricted earth fault - 64REF
  • Maximum number of startings (Restart inhibition) - 66
  • Phase Directional Overcurrent (Voltmetric Permission) - 67
  • Ground directional overcurrent - 67N
  • Ground directional overcurrent with calculated residual current - 67N(Comp)
  • Automatic Recloser - 79
  • Vector Jump - DPHI
  • Over frequency - 81O
  • Under frequency - 81U
  • Frequency rate Change - 81R
  • Double slope biased differential for Generator/ Motor/Transformer - 87M-G-T
  • Breaker Failure - BF
  • CT Supervision - 74CT
  • VT Supervision - 74VT
  • Trip Circuit Supervision - 74TCS
  • Remote TRIP
  • 2ndh-REST
  • Multiple Profiles (A, B)
SW Pack optional configuration
  • Thermal with Pt100 Probes - 26

XMR relay needs special hardware modules. The following functions can be enabled only with the presence of the relative module:

  • Thermal with Pt100 Probes - 26
  • Lock-out - 86
  • Arc flash
  • Rotor Earth Fault - 64F



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