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