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Relè di protezione per trasformatori XMR-T | Thytronic
XMR-T

XMR-T Protection Relay for Transformers


The XMR-T relay is part of the XMORE platform, the complete range of IEDs for medium voltage applications. Thytronic's XMR-T is the complete solution for the protection of two or three winding transformers.

Features of the XMR-T Protection Relay for Transformers


The Thytronic XMR-T transformer protection relay is an advanced solution designed to ensure the safety of transformers. Its features include remarkable accuracy in measurements, allowing up to 12 analog inputs and detailed recording of 32 samples per cycle during faults, ensuring reliable protection under disturbance conditions. Communication security is assured through redundancy protocols such as HSR, PRP, and RSTP, along with robust integrated cybersecurity measures. An advanced time synchronization solution, including the PTP protocol as per IEC1588 and SNTP, provides high precision in event logging. The relay is broadly compatible with Smart Grid networks and substation automation systems, adopting protocols such as IEC61850, IEC 870-5-103, Modbus, and DNP3.
Its protection and control functions include a wide range of parameters, including maximum and minimum currents and voltages, frequency monitoring, remote trip, ensuring complete and customized protection. Thanks to hardware and software modularity, different functionalities can be integrated according to specific needs

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
  • Overfrequency - 81O
  • Underfrequency - 81U
  • Residual Overvoltage - 59N
  • VT Supervision - 74VT
  • Remote TRIP
  • Second Harmonic Restraint
  • Negative sequence overcurrent - 46LT
  • Double slope biased differential for Generator/ Motor/Transformer -87M-87G-87T
  • Overvoltage - 59
  • CT Supervision - 74CT
  • Under Voltage - 27
  • Low impedance restricted earth fault - 64REF
  • Under Current - 37
  • Breaker Failure - BF
  • Negative sequence overvoltage - 59V2
  • Maximum Residual Overcurrent - 50N/51N(1)
  • Negative /positive sequence current ratio - I2/I1
  • Trip Circuit Supervision - 74TCS
  • Overexicitation - 24
  • Maximum Residual Overcurrent - 50N/51N(2)
  • Thermal Image Transformer - 49LT
  • Multiple Profiles (A, B, C, D)

SW PACK OPTIONAL CONFIGURATION

  • Thermal with Pt100 Probes - 26
HW PACK OPTIONAL CONFIGURATION
  • Thermal with Pt100 Probes - 26

DOWNLOADS

Flyer XMR-T
DNV XMR-P, XMR-A, XMR-D, XMR-T, XMR-V Server Ed2 Certificate
Brochure XMORE
XMR - Dimensions and Cutout
Additional modules XMore (XMRI - XMR16 - XMID32 - XMPT - XMCI)
XMR-T Coding Table