XMR-A

Motor protection, Feeder protection

XMR-A is a part of XMORE platform, the complete range of IEDs for Medium Voltage application including feeder, motor, generator, transformer and capacitor bank.

Thanks to Hardware and Software modularity XMR-A is flexible and scalable in term of application and performance as:

Overcurrent and Earth fault protection (StandardSW configuration)
Additional double Earth Fault input for two-side Transformer protection (SW PAC Xtra Current)
Additional Earth Fault Directional Overcurrent(SW PAC Xtra Voltage)
Small sized Motor Protection (SW PAC Motor)

The relay is compliant with CEI-016 requirements

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)

ACCURATE MEASUREMENT

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

Up to 5 analogue inputs
32 sample for cycle Oscillography fault recording
64 sample for cycle measurement for accuracy of protection element

FUNCTIONS

STANDARD PROTECTIVE & CONTROL ELEMENTS

Under Current - 37
Negative sequence overcurrent - 46LT
Negative /positive sequence current ratio - I2/I1
Thermal Image Transformer - 49LT
Phase overcurrent side H and side L - 50/51
Maximum Residual Overcurrent - 50N/51N(1)
Calculated Residual Overcurrent - 50N/51N (Comp)
Low impedance restricted earth fault - 64REF
Automatic Recloser - 79
Breaker Failure - BF
CT Supervision - 74CT
Trip Circuit Supervision - 74TCS
Remote TRIP
Second Harmonic Restraint
Multiple Profiles (A, B, C, D)
CEI 0-16

SW PACK OPTIONAL CONFIGURATION

Negative sequence overcurrent Motor/Generator - 46MG
Maximum Residual Overcurrent - 50N/51N(2)
Locked Rotor - 51LR(48)/14
Thermal Image Motor/Generator - 49MG
Maximum number of startings (Restart inhibition) - 66

HW PACK OPTIONAL CONFIGURATION

Thermal with Pt100 Probes - 26
Arc flash
Residual Overvoltage - 59N
Ground directional overcurrent - 67N

COMMUNICATION FUNCTIONS

Modbus TCP-IP
One Fibre Optic Ethernet port dedicated to IEC 61850
One USB Type B local port for communication with ThyVisor setup software
DNP3 TCP-IP
IEC60870-5-103
IEC61850 Ed.1 & Ed. 2

DOWNLOADS

Coding sheet XMR-A

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)

Flyer XMR-A

RELATED PRODUCTS

XMR-P

XMR-P 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 Feeder, Transformer, Motor and Generator protection which includes an accurate and complete measurement, including Energy and Power.

Thanks to Hardware and Software modularity XMR-P is flexible and scalable in term of application and performance as:

Feeder Protection (Standard SW configuration)
Feeder Protection with additional Power protection element (SW PAC Power)
Feeder Protection with additional Directional Overcurrent and Earth Fault element (SW PAC Directional)
Generator and Motor Protection relay (SW PAC Motor)

The relay is compliant with CEI-016 requirements

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