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XMR-T
Thytronic XMR-T User Manual
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FUNCTION CHARACTERISTICS
157
all-FBF
.ai
Blo
ck1
BL
K1 B
F
I
L1L
...
I
L3L
I
E1
52a/52b
T
rip ProtE
xt
S
ta
r
t BF
Tr
i
p
B
F
Block1
&
BF-BLK1
BF E
n
abl
e
I
BF
>
I
EBF
>
t
BF
General logic diagram of the breaker failure element - BF
TR
IPP
ING M
A
TR
IX
(LED+REL
A
YS
)
Start BF
Start IBF>
T
rip BF
T
rip int-prot
&
&
&
&
Block1 input (ON
≡
Block)
BLK1 BF
T
rip Int/Ext
Block1
Start BF
ON
≡
CB Closed
Start BF
T
rip BF
T
rip BF
T
rip ProtE
xt
52a
&
Block1 enable (ON
≡
Enable)
BF-BLK1
Block1
52a
I
BF
>
Max
I
L1L
...
I
L3L
≥
I
BF
>
I
L1L
I
L2L
I
L3L
I
EBF
>
I
E
≥
I
EBF
>
I
E1
≥
1
RESET
t
BF
0
T
t
BF
≥
1
Binary input INx
T
0
L
ogic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
Binary input INx
T
0
L
ogic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
Binary input INx
T
0
L
ogic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
52b
Binary input INx
T
0
L
ogic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
52b
Start IEBF>
“0”
C
B Inp
u
t
CB Input OFF
CB Input ON
Logic diagram concerning the breaker failure element -BF
XMR-T EQUIPMENT MANUAL
Ed. 2.9 - 02/2021
156
158
Table of Contents
Default Chapter
3
Default Chapter
3
Table of Contents
3
1 Introduction
6
Conformity
6
Copyright
6
Insulation Tests
6
Safety Recommendations
6
Scope and Liability
6
Service Support
6
Warranty
6
Environment
8
Glossary/Definitions
8
Graphical Conventions
8
Product Identification
8
2 General
12
Preface
12
Photo
12
Main Features
13
Cyber Security
14
3 Technical Data
16
Measuring Relays and Protection Equipment
16
Mechanical Data
16
Insulation Test
16
EMC Tests for Interference Immunity)
16
Voltage Dip and Interruption
16
Emission
17
Mechanical Tests
17
Climatic Tests
17
Safety
17
Certifications
17
Input Circuits
18
Auxiliary Power Supply Uaux
18
Binary Inputs
18
Phase Current Inputs with Inductive Cts
18
Residual Current Input
18
Residual Voltage Input
18
Block Output (Logic Selectivity)
19
Communication Interfaces
19
Local Port
19
Network Ports
19
Protocol
19
Rated Values (All Versions)
19
Rated Values and General Settings
19
Binary Inputs
20
Input Sequence
20
Output Relays
20
Polarity
20
Starting Control Set
20
MMI (man Machine Interface)
19
Protective Functions
20
Overeflux- 24
20
Negative Sequence Overcurrent for Line/Transformer Protection- 46LT
21
Thermometric Probes - 26
21
Undercurrent - 37 (H, L, T)
21
Undervoltage - 27
21
Negative Sequence / Positive Sequence Current Ratio - I (H, L, T)
22
Phase Overcurrent - 50/51 Side (H, L, T)
23
Thermal Image for Line/Transformer Protection - 49 (H, L, T)
23
Residual Overcurrent - 50N/51N or High Impedance Restricted Earth Fault - 87NHIZ
24
Overvoltage - 59
26
Residual Overvoltage - 59N
26
High Impedance Restricted Earth Fault - 64REF 1, 2
27
Overfrequency - 81O
27
Underfrequency - 81U
27
Differential - 87G-87M-87T
28
Control and Monitoring
28
Breaker Failure - BF (L H T)
28
Internal Selective Block - BLOCK4
28
Second Harmonic Restraint - 2Ndh-REST (H, L, T)
28
Selective Block - BLOCK2
28
Trip Circuit Supervision - 74TCS (H, L, T)
28
Circuit Breaker Supervision (H, L, T)
29
CT Supervision - 74CT (H, L, T)
29
Demand Measures
29
Oscillography (DFR)
29
Accuracy
30
Arc Flash
30
Metering
30
4 Function Characteristics
31
Hardware
31
Power Supply Board
31
CPU Module
31
Input Board
32
MMI (Display, Keyboard and LED)
32
Firmware
33
Base Software
33
Real-Time Operating System
33
Task
33
Drivers
34
Application Software
34
Data Base
34
Self Test (Application)
34
Development Tool (Builder)
34
I/0 Description
35
Metering Inputs
35
Conventions
40
Use of Measured Signals
43
Binary Inputs
44
Output Relays
49
LED Indicators
50
Communication Interfaces
53
Protective Elements
54
Rated Values
54
Overflux - 24
59
Thermal Protection with RTD Thermometric Probes - 26
66
Undervoltage - 27
68
Undercurrent - 37 (H, L, T)
72
Negative Sequence Overcurrent for Line or Transformer Protection - 46 (H, L, T)
74
Thermal Image - 49LT for Line or Transformer Protection (H, L, T)
81
Negative Sequence Current / Positive Sequence Current Ratio - I2/I1 (H, L, T)
92
Phase Overcurrent - 50/51 (H, L, T)
95
Residual Overcurrent - 50N.1/51N.1, 50N.2/51N.2 or High Impedance Restricted Earth Fault - 87NHIZ.1, 87NHIZ.2 Side 1,2
105
Residual Overcurrent - 50N(Comp)/51N(Comp) Side H or Side L
116
Overvoltage - 59
126
Residual Overvoltage - 59N
130
Low Impedance Restricted Ground Fault- 64REF
134
Overfrequency - 81O
137
Underfrequency - 81U
139
Differential Protection 87G-87M-87T
142
Breaker Failure - BF (H, L, T)
156
Control and Monitoring
158
Remote Tripping (1, 2, 3)
158
Second Harmonic Restraint - 2Ndh-REST (H, L, T)
159
CT Supervision - 74CT (H, L, T)
160
Trip Circuit Supervision - 74TCS (H, L, T)
161
Virtual I/O
164
Circuit Breaker Supervision
167
Oscillography
169
Arc Flash Protection
170
5 Measures, Logic States and Counters
171
Measures
171
Delayed Inputs
172
Pilot Wire Diagnostic
172
Protections
172
Selective Block - BLOCK2
172
Self Test
172
Event Recording - SER
173
Fault Recording - SFR
173
Oscillography - DFR
173
6 Installation
175
Mounting
175
Packaging
175
Electrical Connections
177
RATED I N and I en SETTINGS
185
Final Operations
185
Led Commissioning
185
Rated Iand Isettings
185
7 Programming and Settings
186
SW Thyvisor
186
Thyvisor Use
186
MMI (man Machine Interface)
187
Reading Variables (READ)
187
Setting Modifying (SET)
188
Test
189
Communication
189
Circuit Breaker Commands
189
Enable / Block Changes Via Keyboard - Password
190
Maintenance
191
Packaging
191
8 Appendix
192
Repair
191
Appendix A1 - Input-Output Scheme
192
Appendix A2 - Protection Functions
193
Appendix A3 - Application Schemes
194
APPENDIX B - EC Conformity Declaration
199
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Thytronic XMR-T Specifications
General
Brand
Thytronic
Model
XMR-T
Category
Protection Device
Language
English
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