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

Unintentional energisation at standstill protection - 50/27
Calculated Residual Overcurrent - 50N/51N (Comp)
Phase rotation direction check - 47
Positive Sequence Undervoltage - 27V1
Phase overcurrent side H and side L - 50/51
Overfrequency - 81O
Underfrequency - 81U
Residual Overvoltage - 59N
VT Supervision - 74VT
SynchroCheck - 25
Remote TRIP
Voltage-controlled / restraint overcurrent - 51V
Second Harmonic Restraint
Negative sequence overcurrent - 46LT
Ground directional overcurrent - 67N
Directional earth fault overcurrent - 67N(Comp)
Double slope biased differential for Generator/ Motor/Transformer -87M-87G-87T
Overvoltage - 59
CT Supervision - 74CT
Under Voltage - 27
Directional reactive overpower -32Q
Directional active underpower - 37P
Directional reactive underpower - 37Q
Out of Step Protection - 78
Directional active overpower - 32P
Maximum number of startings (Restart inhibition) - 66
Low impedance restricted earth fault - 64REF
Under Current - 37
Frequency rate of change - 81R
Breaker Failure - BF
Negative sequence overvoltage - 59V2
Loss of Field - 40
Automatic Recloser - 79
Maximum Residual Overcurrent - 50N/51N(1)
Negative /positive sequence current ratio - I2/I1
Thermal Image Motor/Generator - 49MG
Under Impedence - 21
Minimum Power Factor - 55
Trip Circuit Supervision - 74TCS
Overexicitation - 24
Maximum Residual Overcurrent - 50N/51N(2)
Negative sequence overcurrent Motor/Generator - 46MG
Vector Jump - DPHI
Locked Rotor - 51LR(48)/14
Directional Phase Overcurrent - 67
100% stator earth-fault - 27H - 59H
Thermal Image Transformer - 49LT
Multiple Profiles (A, B)

HW PACK OPTIONAL CONFIGURATION

Thermal with Pt100 Probes - 26
Arc flash
Rotor Earth Fault - 64F

DOWNLOADS

DNV XMR-P, XMR-A, XMR-D, XMR-T, XMR-V Server Ed2 Certificate

Brochure XMORE

Coding sheet XMR-D

XMR - Dimensions and Cutout

Additional modules XMore (XMRI - XMR16 - XMID32 - XMPT - XMCI)

Flyer XMR-D