Thytronic XMR-V 4V User Manual

4
Loss of field - 40 ............................................................................................................................................................................................26
Negative sequence overcurrent for Line/Transformer protection- 46LT ............................................................................................26
Negative sequence overcurrent for Generator protection - 46G .........................................................................................................27
Negative sequence overcurrent for Motor protection - 46M .............................................................................................................. 28
Negative sequence / positive sequence current ratio - I
2
/I
1
............................................................................................................... 29
Phase rotation direction check - 47 ......................................................................................................................................................... 29
Thermal image for Line/Transformer protection - 49LT .......................................................................................................................... 29
Thermal image for Motor/generator protection - 49MG ........................................................................................................................ 29
Inadvertent energization - 50/27 ................................................................................................................................................................ 30
Phase overcurrent - 50/51 side H .............................................................................................................................................................. 30
Phase overcurrent - 50/51 side L ................................................................................................................................................................31
Locked rotor - 51LR(48)/14 ...........................................................................................................................................................................32
Voltage-controlled / restraint overcurrent - 51V ..................................................................................................................................... 33
Residual overcurrent - 50N/51N or High impedance restricted earth fault - 87NHIZ ...................................................................... 33
Calculated residual overcurrent - 50N(Comp)/51N(Comp) .....................................................................................................................35
Minimum power factor - 55 .........................................................................................................................................................................36
Overvoltage - 59 .............................................................................................................................................................................................36
Residual overvoltage - 59N ..........................................................................................................................................................................37
Negative sequence overvoltage - 59V2 .................................................................................................................................................... 38
Rotor earth fault (64F) .................................................................................................................................................................................. 38
High impedance restricted earth fault - 64REF ....................................................................................................................................... 38
Maximum number of startings (Restart inhibition) - 66 .......................................................................................................................... 38
Directional phase overcurrent - 67 ........................................................................................................................................................... 38
Directional earth fault overcurrent- 67N ................................................................................................................................................... 41
Out of step - 78 ...............................................................................................................................................................................................44
Overfrequency - 81O .....................................................................................................................................................................................44
Underfrequency - 81U ..................................................................................................................................................................................44
Frequency rate of change (81R)..................................................................................................................................................................45
Differential - 87G-87M-87T ...........................................................................................................................................................................45
Lock-out - 86 ...................................................................................................................................................................................................46
Vector jump ....................................................................................................................................................................................................46
Breaker failure - BF (Side L and Side H) ....................................................................................................................................................46
3.8 CONTROL AND MONITORING ........................................................................................................................................................................47
Synchrocheck - 25 ........................................................................................................................................................................................47
Selective block - BLOCK2 ........................................................................................................................................................................... 48
Internal selective block - BLOCK4 ............................................................................................................................................................. 48
Circuit Breaker supervision ........................................................................................................................................................................ 48
VT supervision - 74VT .................................................................................................................................................................................. 48
CT supervision - 74CT .................................................................................................................................................................................. 48
Demand measures ....................................................................................................................................................................................... 48
Oscillography (DFR) ..................................................................................................................................................................................... 48
PLC (Programmable Logic Controller) ..................................................................................................................................................... 49
Arc Flash ........................................................................................................................................................................................................ 49
3.9 METERING......................................................................................................................................................................................................... 50
Accuracy ........................................................................................................................................................................................................ 50
— 4 FUNCTION CHARACTERISTICS 51
4.1 HARDWARE .......................................................................................................................................................................................................51
Power supply board ...................................................................................................................................................................................... 51
CPU module .................................................................................................................................................................................................... 51
Input board .....................................................................................................................................................................................................52
MMI (Display, Keyboard and LED)
.............................................................................................................................................................52
4.2 FIRMWARE ........................................................................................................................................................................................................ 53
Base software ............................................................................................................................................................................................... 53
Real-time operating system ........................................................................................................................................................................ 53
Task ................................................................................................................................................................................................................. 53
Drivers
.............................................................................................................................................................................................................54
Application Software
....................................................................................................................................................................................54
Data Base .......................................................................................................................................................................................................54
Self test (Application) ...................................................................................................................................................................................54
Development tool (Builder) ..........................................................................................................................................................................54
4.3 I/0 DESCRIPTION ..............................................................................................................................................................................................55
Metering inputs
.............................................................................................................................................................................................55
Conventions ................................................................................................................................................................................................... 60
Use of measured signals ............................................................................................................................................................................. 63
Binary inputs ..................................................................................................................................................................................................64
Output relays
................................................................................................................................................................................................. 70
LED indicators
................................................................................................................................................................................................ 71
Communication interfaces ...........................................................................................................................................................................75
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021

Thytronic XMR-V 4V Specifications

General

Brand	Thytronic
Model	XMR-V 4V
Category	Protection Device
Language	English