XMR-T
Transformer protection
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
- Over Flux(V/Hz) - 24
- Under Voltage - 27
- Under Current - 37
- Negative sequence overcurrent transformer - 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
- Overvoltage - 59
- Residual Overvoltage - 59N
- Negative sequence overvoltage - 59V2
- Low impedance restricted earth fault - 64REF
- Over frequency - 81O
- Under frequency - 81U
- 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, C, D)
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