XMR-T

Transformer protection relays

XMR-T is a part of XMORE platform, the complete range of IEDs for Medium Voltage application. 
XMR-T the comprehensive solution for two or three windings transformer protection.

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

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

  • Phase overcurrent side H and side L - 50/51
  • Over frequency - 81O
  • Residual Overvoltage - 59N
  • Remote TRIP
  • Under frequency - 81U
  • VT Supervision - 74VT
  • 2nd h-REST
  • Negative sequence overvoltage - 59V2
  • Overvoltage - 59
  • Under Current - 37
  • Under Voltage - 27
  • Breaker Failure - BF
  • CT Supervision - 74CT
  • Double slope biased differential for Generator/ Motor/Transformer - 87M-G-T
  • Low impedance restricted earth fault - 64REF
  • Negative sequence overcurrent transformer - 46LT
  • Multiple Profiles (A, B, C, D)
  • Negative /positive sequence current ratio - I2/I1
  • Maximum Residual Overcurrent - 50N/51N
  • Over Flux(V/Hz) - 24
  • Trip Circuit Supervision - 74TCS
  • Thermal Image Transformer - 49LT

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

DOWNLOADS

XMR-T coding
Flyer XMR-T
DNV XMR-P, XMR-A, XMR-D, XMR-T, XMR-V Server Ed2 Certificate
XMR-T Manual
XMR - Dimensions and Cutout
Additional modules XMore (XMRI - XMR16 - XMID32 - XMPT - XMCI)
X-MORE Brochure