ABB RET615 User manual

RET615
ABB
Brand
ABB
Model
RET615
Type
User manual

This manual is also suitable for

—
RELION® 615 SERIES
Transformer Protection and Control
RET615
Product Guide
Contents
1. Description..................................................................... 3
2. Standard configurations................................................. 3
3. Protection functions......................................................14
4. Application................................................................... 15
5. Supported ABB solutions............................................. 18
6. Control......................................................................... 19
7. Measurements............................................................. 20
8. Disturbance recorder....................................................20
9. Event log...................................................................... 20
10. Recorded data............................................................ 20
11. Condition monitoring .................................................. 21
12. Trip-circuit supervision.................................................21
13. Self-supervision...........................................................21
14. Fuse failure supervision............................................... 22
15. Access control............................................................ 22
16. Inputs and outputs...................................................... 22
17. Station communication................................................22
18. Technical data.............................................................28
19. Local HMI....................................................................51
20. Mounting methods...................................................... 52
21. Relay case and plug-in unit......................................... 52
22. Selection and ordering data.........................................52
23. Accessories and ordering data.................................... 53
24. Tools...........................................................................54
25. Cyber security............................................................. 55
26. Terminal diagrams.......................................................56
27. Certificates.................................................................. 58
28. References..................................................................58
29. Functions, codes and symbols.................................... 59
30. Document revision history........................................... 62
Disclaimer
The information in this document is subject to change without notice and should not be construed as a commitment by ABB. ABB assumes no responsibility for any errors
that may appear in this document.
© Copyright 2018 ABB.
All rights reserved.
Trademarks
ABB and Relion are registered trademarks of the ABB Group. All other brand or product names mentioned in this document may be trademarks or registered trademarks
of their respective holders.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
2 ABB
1. Description
RET615 is a dedicated transformer protection and control relay
for power transformers, unit and step-up transformers including
power generator-transformer blocks in utility and industry
power distribution systems. RET615 is a member of ABB’s
Relion
®
product family and part of its 615 protection and
control product series. The 615 series relays are characterized
by their compactness and withdrawable-unit design.
Re-engineered from the ground up, the 615 series has been
designed to unleash the full potential of the IEC 61850 standard
for communication and interoperability between substation
automation devices. Once the standard configuration relay has
been given the application-specific settings, it can directly be
put into service.
The 615 series relays support a range of communication
protocols including IEC 61850 with Edition 2 support, process
bus according to IEC 61850-9-2 LE, IEC 60870-5-103,
Modbus
®
and DNP3. Profibus DPV1 communication protocol is
supported by using the protocol converter SPA-ZC 302.
2. Standard configurations
RET615 is available with eight alternative standard
configurations. The standard signal configuration can be
altered by means of the signal matrix or the graphical
application functionality of the Protection and Control IED
Manager PCM600. Further, the application configuration
functionality of PCM600 supports the creation of multi-layer
logic functions utilizing various logical elements including timers
and flip-flops. By combining protection functions with logic
function blocks the relay configuration can be adapted to user
specific application requirements.
The relay is delivered from the factory with default connections
described in the functional diagrams for binary inputs, binary
outputs, function-to-function connections and alarm LEDs.
Some of the supported functions in RET615 must be added
with the Application Configuration tool to be available in the
Signal Matrix tool and in the relay. The positive measuring
direction of directional protection functions is towards the
outgoing feeder.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1 Issued: 2018-12-20
Revision: M
ABB 3
Master trip
Lockout relay
94/86
Master Trip
Lockout relay
94/86
3×
2×
6
×R
TD
2
×mA
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
OR
AND
- HV side: I, Io
- LV side: I
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
Analog interface types
1)
Current transformer
1)
Conventional transformer inputs
Voltage transformer
7
-
A
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
TCS
TCM
CBCM
CBCM
OPTS
OPTM
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
Io>
51N-1
Io>>
51N-2
dIoLo>
87NL
18×
MAP
MAP
TPOSM
84M
Io (HV)
Io
Io
3I (LV)
3×
3I (HV)
3Ith>T/G/C
49T/G/C
GUID-C90DE25B-AEC6-4542-8FC8-F4604ACDB769 V2 EN
Figure 1. Functionality overview for standard configuration A
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
4 ABB
Master trip
Lockout relay
94/86
Master Trip
Lockout relay
94/86
3×
2×
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
OR
AND
- HV side: I
- LV side: I, Io
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
B
Analog interface types
1)
Current transformer
1)
Conventional transformer inputs
Voltage transformer
7
-
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
TCS
TCM
CBCM
CBCM
OPTS
OPTM
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
Io>
51N-1
Io>>
51N-2
dIoLo>
87NL
18×
MAP
MAP
3Ith>T/G/C
49T/G/C
Io
Io
Io (LV)
TPOSM
84M
6×RTD
2
×mA
3×
3I (HV)
3I (LV)
GUID-C948BC5D-9075-4336-86FC-B8C3F7BA5BAB V2 EN
Figure 2. Functionality overview for standard configuration B
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 5
Master trip
Lockout relay
94/86
Master Trip
Lockout relay
94/86
3×
2×
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
OR
AND
- HV side: I, Io
- LV side: I
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
Analog interface types
1)
Current transformer
1)
Conventional transformer inputs
Voltage transformer
7
-
C
3Ith>T/G/C
49T/G/C
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
TCS
TCM
CBCM
CBCM
OPTS
OPTM
Io>
51N-1
Io>>
51N-2
18×
MAP
MAP
dIoHi>
87NH
I2>
46
ARC
50L/50NL
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
TPOSM
84M
3I (HV)
3I (LV)
Io
Io (HV)
Io
6
×R
TD
2
×mA
3×
GUID-F8F3319F-B60D-47EF-A940-0891BC683D6C V2 EN
Figure 3. Functionality overview for standard configuration C
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
6 ABB
6×RTD
2
×mA
Master trip
Lockout relay
94/86
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
OR
AND
- HV side: I
- LV side: I, Io
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
D
Analog interface types
1)
Current transformer
1)
Conventional transformer inputs
Voltage transformer
7
-
3Ith>T/G/C
49T/G/C
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
TCS
TCM
CBCM
CBCM
OPTS
OPTM
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
Io>
51N-1
Io>>
51N-2
dIoHi>
87NH
18×
MAP
MAP
TPOSM
84M
3I (HV)
3I (LV)
Io (LV)
Io
3×
Io
Master Trip
Lockout relay
94/86
3×
2×
GUID-422AE187-3E2A-4A20-BBE2-2B8A840DC1FA V2 EN
Figure 4. Functionality overview for standard configuration D
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 7
Master trip
Lockout relay
94/86
2x
RTD
1xmA
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
OR
AND
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1/9-2LE
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
E
7
5
Analog interface types
1)
Cur
rent transformer
1)
Conventional transformer inputs
V
oltage transformer
2)
2)
One of the five inputs is reserved for future
applications
- HV side: I, Io, U, Uo, P, Q, E, pf, f
- LV side: I
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
3Ith>T/G/C
49T/G/C
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
TCS
TCM
CBCM
CBCM
OPTS
OPTM
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
Io>
51N-1
Io>>
51N-2
dIoLo>
87NL
3U<
27
Uo>
59G
FUSEF
60
18×
MAP
MAP
3I (LV)
3U>
59
U
L1
U
L2
U
L3
U
L1
U
L2
U
L3
Uo
Uo
Io
Io
Io (HV)
U
L1
U
L2
U
L3
TPOSM
84M
3×
3I (HV)
3I (HV)
Master Trip
Lockout relay
94/86
3×
2×
GUID-DC590CA4-DF86-499D-8B77-3DE0CB2997F0 V2 EN
Figure 5. Functionality overview for standard configuration E
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
8 ABB
Master trip
Lockout relay
94/86
2×RTD
1
×mA
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
OR
AND
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1/9-2LE
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
F
7
5
Analog interface types
1)
Cur
rent transformer
1)
Conventional transformer inputs
V
oltage transformer
2)
2)
One of the five inputs is reserved for future
applications
- HV side: I, U, Uo, P, Q, E, pf, f
- LV side: I, Io
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
3Ith>T/G/C
49T/G/C
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
3U<
27
Uo>
59G
TCS
TCM
CBCM
CBCM
OPTS
OPTM
FUSEF
60
3U>
59
TPOSM
84M
Io>
51N-1
Io>>
51N-2
dIoLo>
87NL
18×
MAP
MAP
3I (LV)
U
L1
U
L2
U
L3
Uo
3I (HV)
U
L1
U
L2
U
L3
Io (LV)
Io
3×
3I (HV)
Io
U
L1
U
L2
U
L3
Uo
Master Trip
Lockout relay
94/86
3×
2×
GUID-7F2F76A7-E9D6-4845-8A56-42144178898C V2 EN
Figure 6. Functionality overview for standard configuration F
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 9
Master trip
Lockout relay
94/86
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
OR
AND
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1/9-2LE
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
G
Analog interface types
1)
Current transformer
1)
Conventional transformer inputs
Voltage transformer
7
5
- HV side: I, Io, U, Uo, P, Q, E, pf, f
- LV side: I
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
3Ith>T/G/C
49T/G/C
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
Io>
51N-1
Io>>
51N-2
3U<
27
Uo>
59G
dIoHi>
87NH
TCS
TCM
CBCM
CBCM
OPTS
OPTM
FUSEF
60
3U>
59
TPOSM
84M
3I (LV)
Io
Io
3×
3I (HV)
3I (HV)
18×
MAP
MAP
2x
RTD
1xmA
Io (HV)
U
L1
U
L2
U
L3
Uo
Uo
U
L1
U
L2
U
L3
U
L1
U
L2
U
L3
Master Trip
Lockout relay
94/86
3×
2×
GUID-D133822F-DB95-4CF6-B971-9D67054A5731 V2 EN
Figure 7. Functionality overview for standard configuration G
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
10 ABB
2×RTD
1
×mA
Master trip
Lockout relay
94/86
CONDITION MONITORING
AND SUPERVISION
ALSO AVAILABLE
- Disturbance and fault recorders
- Event log and recorded data
- High-Speed Output module (optional)
- Local/Remote push button on LHMI
- Self-supervision
- Time synchronization: IEEE 1588 v2,
SNTP, IRIG-B
- User management
- Web HMI
OR
AND
CONTROL AND INDICATION
1)
MEASUREMENT
TRANSFORMER PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
Object Ctrl
2)
Ind
3)
CB
DC
ES
1)
Check availability of binary inputs/outputs
from technical documentation
2)
Control and indication function for
primary object
3)
Status indication function for
primary object
1 -
2 3
1 2
STANDARD
CONFIGURATION
REMARKS
Optional
function
No. of
instances
Alternative
function to be
defined when
ordering
OR
Io/Uo
Calculated
value
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
COMMUNICATION
P
rotocols:
IEC 61850-8-1/9-2LE
Modbus
®
IEC 60870-5-103
DNP3
Interfaces:
Ethernet: TX (RJ45), FX (LC)
Serial: Serial glass fiber (ST),
RS-485, RS-232
Redundant p
rotocols:
HSR
PRP
RSTP
RET615
Analog interface types
1)
Current transformer
1)
Conventional transformer inputs
Voltage transformer
7
5
- HV side: I, U, Uo, P, Q, E, pf, f
- LV side: I, Io
- Limit value supervision
- Load profile record
- RTD/mA measurement, optional
- Symmetrical components
H
I2>
46
3I>>>
50P/51P
3I>/Io>BF
51BF/51NBF
3I>
51P-1
3I>>
51P-2
3dI>T
87T
I2>
46
ARC
50L/50NL
3I>>
51P-2
3I>>>
50P/51P
3I>
51P-1
Io>
51N-1
Io>>
51N-2
3U<
27
Uo>
59G
dIoHi>
87NH
TCS
TCM
CBCM
CBCM
OPTS
OPTM
FUSEF
60
3U>
59
18×
MAP
MAP
TPOSM
84M
3Ith>T/G/C
49T/G/C
3I (LV)
Io
3×
3I (HV)
Io (LV)
3I (HV)
Io
U
L1
U
L2
U
L3
Uo
Uo
U
L1
U
L2
U
L3
U
L1
U
L2
U
L3
Master Trip
Lockout relay
94/86
3×
2×
GUID-8C9FE17B-5399-487C-BE59-7377D23FC744 V2 EN
Figure 8. Functionality overview for standard configuration H
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 11
Table 1. Standard configurations
Description Std. conf.
Transformer differential with low-impedance restricted earth-fault protection on the HV side A
Transformer differential with low-impedance restricted earth-fault protection on the LV side B
Transformer differential with high-impedance restricted earth-fault protection on the HV side C
Transformer differential with high-impedance restricted earth-fault protection on the LV side D
Transformer differential with voltage protection and measurements, and low-impedance restricted earth-fault protection on the
HV side
E
Transformer differential with voltage protection and measurements, and low-impedance restricted earth-fault protection on the
LV side
F
Transformer differential with voltage protection and measurements, and high-impedance restricted earth-fault protection on the
HV side
G
Transformer differential with voltage protection and measurements, and high-impedance restricted earth-fault protection on the
LV side
H
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
12 ABB
Table 2. Supported functions
Function IEC 61850 A B C D E F G H
Protection
Three-phase non-directional overcurrent
protection, low stage
PHLPTOC1
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
PHLPTOC2
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
Three-phase non-directional overcurrent
protection, high stage
PHHPTOC1
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
PHHPTOC2
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
Three-phase non-directional overcurrent
protection, instantaneous stage
PHIPTOC1
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
PHIPTOC2
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
Non-directional earth-fault protection, low stage EFLPTOC1
1
HV
1
HV 1)
1
HV
1
HV 1)
EFLPTOC2
1
LV
1
LV 2)
1
LV
1
LV 2)
Non-directional earth-fault protection, high
stage
EFHPTOC1
1
HV
1
HV 1)
1
HV
1
HV 1)
EFHPTOC2
1
LV
1
LV 2)
1
LV
1
LV 2)
Negative-sequence overcurrent protection NSPTOC1
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
NSPTOC2
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
Residual overvoltage protection ROVPTOV
2
HV
2
HV
2
HV
2
HV
Three-phase undervoltage protection PHPTUV
2
HV
2
HV
2
HV
2
HV
Three-phase overvoltage protection PHPTOV
2
HV
2
HV
2
HV
2
HV
Three-phase thermal overload protection, two
time constants
T2PTTR
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
Stabilized and instantaneous differential
protection for two-winding transformers
TR2PTDF 1 1 1 1 1 1 1 1
Numerically stabilized low-impedance restricted
earth-fault protection
LREFPNDF
1
HV
1
LV
1
HV
1
LV
High-impedance based restricted earth-fault
protection
HREFPDIF
1
HV
1
LV 3)
1
HV
1
LV 3)
Circuit breaker failure protection CCBRBRF
1
HV 1)
1
HV 1)
1
HV 1)
1
HV 1)
1
HV 1)
1
HV 1)
1
HV 1)
1
HV 1)
Master trip TRPPTRC 2
(3)
4)
2
(3)
4)
2
(3)
4)
2
(3)
4)
2
(3)
4)
2
(3)
4)
2
(3)
4)
2
(3)
4)
Arc protection ARCSARC
(3)
LV 5)
(3)
LV 5)
(3)
LV 5)
(3)
LV 5)
(3)
LV 5)
(3)
LV 5)
(3)
LV 5)
(3)
LV 5)
Multipurpose protection MAPGAPC 18 18 18 18 18 18 18 18
Control
Circuit-breaker control CBXCBR
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
Disconnector control DCXSWI 2 2 2 2 2 2 2 2
Earthing switch control ESXSWI 1 1 1 1 1 1 1 1
Disconnector position indication DCSXSWI 3 3 3 3 3 3 3 3
Earthing switch indication ESSXSWI 2 2 2 2 2 2 2 2
Tap changer position indication TPOSYLTC 1 1 1 1 1 1 1 1
Condition monitoring and supervision
Circuit-breaker condition monitoring SSCBR
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
Trip circuit supervision TCSSCBR 2 2 2 2 2 2 2 2
Fuse failure supervision SEQSPVC 1 1 1 1
Runtime counter for machines and devices MDSOPT 1 1 1 1 1 1 1 1
Measurement
Disturbance recorder RDRE 1 1 1 1 1 1 1 1
Load profile record LDPRLRC 1 1 1 1 1 1 1 1
Fault record FLTRFRC 1 1 1 1 1 1 1 1
Three-phase current measurement CMMXU1
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
CMMXU2
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
1
LV
Sequence current measurement CSMSQI1
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
1
HV
Residual current measurement RESCMMXU1
1
HV
1
HV
1
HV
1
HV
RESCMMXU2
1
LV
1
LV
1
LV
1
LV
Three-phase voltage measurement VMMXU
1
HV
1
HV
1
HV
1
HV
Residual voltage measurement RESVMMXU
1
HV
1
HV
1
HV
1
HV
Sequence voltage measurement VSMSQI
1
HV
1
HV
1
HV
1
HV
Three-phase power and energy measurement PEMMXU
1
HV
1
HV
1
HV
1
HV
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 13
Table 2. Supported functions, continued
Function IEC 61850 A B C D E F G H
RTD/mA measurement XRGGIO130 (1) (1) (1) (1) (1) (1) (1) (1)
Frequency measurement FMMXU 1 1 1 1
IEC 61850-9-2 LE sampled value sending
6)7)
SMVSENDER (1) (1) (1) (1)
IEC 61850-9-2 LE sampled value receiving
(voltage sharing)
6)7)
SMVRCV (1) (1) (1) (1)
Other
Minimum pulse timer (2 pcs) TPGAPC 4 4 4 4 4 4 4 4
Minimum pulse timer (2 pcs, second resolution) TPSGAPC 1 1 1 1 1 1 1 1
Minimum pulse timer (2 pcs, minute resolution) TPMGAPC 1 1 1 1 1 1 1 1
Pulse timer (8 pcs) PTGAPC 2 2 2 2 2 2 2 2
Time delay off (8 pcs) TOFGAPC 4 4 4 4 4 4 4 4
Time delay on (8 pcs) TONGAPC 4 4 4 4 4 4 4 4
Set-reset (8 pcs) SRGAPC 4 4 4 4 4 4 4 4
Move (8 pcs) MVGAPC 2 2 2 2 2 2 2 2
Generic control point (16 pcs) SPCGAPC 2 2 2 2 2 2 2 2
Analog value scaling (4 pcs) SCA4GAPC 4 4 4 4 4 4 4 4
Integer value move (4 pcs) MVI4GAPC 1 1 1 1 1 1 1 1
1, 2, ... = Number of included instances. The instances of a protection function represent the number of identical protection function blocks available in the standard
configuration.
() = optional
HV = The function block is to be used on the high-voltage side in the application.
LV = The function block is to be used on the low-voltage side in the application.
1) "Io calculated" is always used.
2) IoB calculated is always used.
3) "IoB measured" is always used.
4) Master trip is included and connected to the corresponding HSO in the configuration only when the BIO0007 module is used. If additionally the ARC option is selected, ARCSARC is
connected in the configuration to the corresponding master trip input.
5) "IoB calculated" and "3IB" are always used.
6) Available only with IEC 61850-9-2
7) Available only with COM0031-0037
3. Protection functions
The relay features three-phase, multi-slope stabilized (biased)
stage transformer differential protection and an instantaneous
stage to provide fast and selective protection for phase-to-
phase short circuit, winding interturn fault and bushing flash-
over protection. Besides second harmonic restraint, an
advanced waveform-based blocking algorithm ensures stability
at transformer energization and a fifth harmonic restraint
function ensures good protection stability at moderate
overexcitation of power transformers. Sensitive restricted
earth-fault protection completes the overall differential
protection providing detection of even single phase-to-earth
faults close to the neutral earthing point of the transformer.
Either the conventional high-impedance scheme or a numerical
low-impedance scheme can be selected for protection of the
transformer windings. When low-impedance restricted earth-
fault protection is used neither stabilizing resistors nor varistors
are needed and as a further benefit the transforming ratio of the
neutral earthing CTs can differ from those of the phase current
transformers. Due to its unit protection character and absolute
selectivity restricted earth fault does not need to be time-
graded with other protection schemes, and therefore high
speed fault clearance can be achieved.
The relay also incorporates a thermal overload protection
function, which supervises the thermal stress of the transformer
windings to prevent premature aging of the insulation of the
windings. Multiple stages of short circuit, phase overcurrent,
negative-sequence and earth-fault backup protection are
separately available for both sides of the power transformer.
Earth-fault protection based on the measured or calculated
residual voltage is also available. Depending on the chosen
standard configuration the relay also features three-phase
overvoltage protection, three-phase undervoltage protection
and residual overvoltage protection. Further, the relay also
offers circuit breaker failure protection.
Enhanced with optional hardware and software, the relay also
features three light detection channels for arc fault protection of
the circuit breaker, busbar and cable compartment of metal-
enclosed indoor switchgear.
The arc-fault protection sensor interface is available on the
optional communication module. Fast tripping increases staff
safety and security and limits material damage in an arc fault
situation. A binary input and output module can be selected as
an option - having three high speed binary outputs (HSO) it
further decreases the total operate time with typically 4...6 ms
compared to the normal power outputs.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
14 ABB
4. Application
RET615 provides main protection for two-winding power
transformers and power generator-transformer blocks. The
eight standard configurations offer comprehensive protection
functions for detection and elimination of operational
disturbance conditions and power transformer faults.
The standard configurations A, C, E and G are intended for
power transformers with earthed HV side neutrals. The A and E
configuration features low-impedance REF protection while the
C and G configurations offer high-impedance REF protection.
The B, D, F and H configurations fit transformers with solidly-
earthed LV side neutral or the LV side with a neutral earthing
resistor. The B, D, F and H configurations also fit applications
including a separate earthing transformer located within the
area of protection. The A, B , E, and F configurations also suit
applications, where the turns ratio of the CT of the neutral
earthing circuit differs from the turns ratio of the line CTs. The C,
D, G and H configurations require that the turns ratios of the
CTs are equal.
Standard configurations E, F, G and H include phase-voltage
protection and measurement functions which provide two-
stage power transformer overvoltage and undervoltage
protection and/or supervision.
Two optional RTD/mA modules are available. The optional
RTD/mA module offered for the standard configurations A-D
allows
up to eight analog signals to be measured via the six RTD
inputs and the two mA inputs using transducers. The RTD and
mA inputs can be used for measuring the oil temperature at the
bottom and top of the transformer. Furthermore, the RTD/mA
inputs can be used for measuring the ambient air temperature.
The RTD inputs also offer thermal protection of dry-type power
transformers fitted with Pt-100 temperature sensors.
Temperature measurement over the RTD/mA inputs extends
the function of the three-phase thermal overload protection of
the relay. Further, one of the RTD inputs can also be used as a
direct resistance measuring input for position information of the
on-load tap changer. Alternatively, the tap changer position
indication can be obtained via a mA-transducer.
The optional RTD/mA module offered for the standard
configurations E-H allows up to three analog signals to be
measured via the two RTD inputs and the one mA input using
transducers. The RTD inputs can be used for measuring the oil
temperature and the ambient air temperature. Temperature
measurement over the RTD inputs extends the function of the
three-phase thermal overload protection of the relay. For on-
load tap changer, the tap changer position indication can be
obtained via a mA transducer. If required, the analog
temperature or tap changer position values can be sent to other
devices using analog horizontal GOOSE messaging. Analog
values can also be received from other devices over the station
bus, thus improving the extent of relevant information.
3I (LV)
RTD
3I (HV)
Io (HV)
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
RET615
Std. conf.
ANSI IEC
49T
50L/50NL
50P/51P
51P/51N
87NL
87T
3Ith>T
ARC
3I>>>
3I/Io
dIoLo>
3dI>T
A
GUID-6657E450-7FB8-4154-954D-E896064D04A3 V1 EN
Figure 9. Protection of a two-winding power transformer with RET615 standard configuration A
Figure 9 illustrates the protection of a two-winding power
transformer with RET615 standard configuration A. The main
protection used in this application example is transformer
differential protection. Additionally, restricted earth-fault
protection with numerical low-impedance principle is applied
on the transformer's HV side.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 15
RET615
Std. conf.
ANSI IEC
49T
50L/50NL
50P/51P
51P/51N
87NH
87T
3Ith>T
ARC
3I>>>
3I/Io
dIoHi>
3dI>T
D
3I (LV)
RTD
3I (HV)
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
Io (LV)
GUID-46A1FCF8-F2EC-4737-9EA8-636E4AEF84FC V1 EN
Figure 10. Protection of a two-winding power transformer with RET615 standard configuration D
Figure 10 illustrates the protection of a two-winding power
transformer with RET615 standard configuration D. The main
protection used in this application example is transformer
differential protection. Additionally, restricted earth-fault
protection with high-impedance principle is applied on the
transformer's LV side.
3U Uo
3I (LV)
RTD
3I (HV)
Io (HV)
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
RET615
Std. conf.
ANSI IEC
27/59
49T
50L/50NL
50P/51P
51P/51N
59G
87NL
87T
3U</3U>
3Ith>T
ARC
3I>>>
3I/Io
Uo>
dIoLo>
3dI>T
E
GUID-3C760FFC-6D6B-4860-A198-4BA4273B32D9 V1 EN
Figure 11. Protection of a two-winding power transformer with RET615 standard configuration E
Figure 11 illustrates the protection of a two-winding power
transformer with RET615 standard configuration E. The main
protection used in this application example is transformer
differential protection. Additionally, restricted earth-fault
protection with numerical low-impedance principle and voltage
based protection are applied on the transformer's HV side.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
16 ABB
REU615
Std. conf.
ANSI IEC
27/59
50P/51P
51P/51N
84M
90V
3U</3U>
3I>>>
3I/Io
TPOSM
COLTC
B
RET615
Std. conf.
ANSI IEC
27/59
49T
50L/50NL
50P/51P
51P/51N
87NL
87T
3U</3U>
3Ith>T
ARC
3I>>>
3I/Io
dIoLo>
3dI>T
E
3I (LV)
RTD
3I (HV)
Io (HV)
3U
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
3U Uo
R
L
ClearESC
I
O
U12 0. 0 kV
P 0.00 kW
Q 0.00 kVAr
IL2 0 A
A
GUID-AB31C909-F38E-4885-AFEE-E2EEE3675263 V4 EN
Figure 12. Protection of a two-winding power transformer with RET615 standard configuration E
Figure 12 illustrates the protection of a two-winding power
transformer with RET615 standard configuration. The main
protection used in this application example is transformer
differential protection. Restricted earth-fault protection with
numerical low-impedance principle is applied on the
transformer's HV side. The RTD inputs of RET615 are utilized
for monitoring the oil temperature and oil level of the
transformer. Additionally, REU615 with the standard
configuration B is used as automatic voltage regulator for the
on-load tap changer of the transformer.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 17
5. Supported ABB solutions
The 615 series protection relays together with the Substation
Management Unit COM600S constitute a genuine IEC 61850
solution for reliable power distribution in utility and industrial
power systems. To facilitate the system engineering, ABB's
relays are supplied with connectivity packages. The
connectivity packages include a compilation of software and
relay-specific information, including single-line diagram
templates and a full relay data model. The data model includes
event and parameter lists. With the connectivity packages, the
relays can be readily configured using PCM600 and integrated
with COM600S or the network control and management
system MicroSCADA Pro.
The 615 series relays offer native support for IEC 61850 Edition
2 also including binary and analog horizontal GOOSE
messaging. In addition, process bus with the sending of
sampled values of analog currents and voltages and the
receiving of sampled values of voltages is supported.
Compared to traditional hard-wired, inter-device signaling,
peer-to-peer communication over a switched Ethernet LAN
offers an advanced and versatile platform for power system
protection. Among the distinctive features of the protection
system approach, enabled by the full implementation of the IEC
61850 substation automation standard, are fast
communication capability, continuous supervision of the
protection and communication system's integrity, and an
inherent flexibility regarding reconfiguration and upgrades.This
protection relay series is able to optimally utilize interoperability
provided by the IEC 61850 Edition 2 features.
At substation level, COM600S uses the data content of the bay-
level devices to enhance substation level functionality.
COM600S
features a Web browser-based HMI, which provides
a customizable graphical display for visualizing single-line
mimic diagrams for switchgear bay solutions. The SLD feature
is especially useful when 615 series relays without the optional
single-line diagram feature are used. The Web HMI of
COM600S also provides an overview of the whole substation,
including relay-specific single-line diagrams, which makes
information easily accessible. Substation devices and
processes can also be remotely accessed through the Web
HMI, which improves personnel safety.
In addition, COM600S can be used as a local data warehouse
for the substation's technical documentation and for the
network data collected by the devices. The collected network
data facilitates extensive reporting and analyzing of network
fault situations by using the data historian and event handling
features of COM600S. The historical data can be used for
accurate monitoring of process and equipment performance,
using calculations based on both real-time and historical
values. A better understanding of the process dynamics is
achieved by combining time-based process measurements
with production and maintenance events.
COM600S can also function as a gateway and provide
seamless connectivity between the substation devices and
network-level control and management systems, such as
MicroSCADA Pro and System 800xA.
GOOSE Analyzer interface in COM600S enables the following
and analyzing the horizontal IEC 61850 application during
commissioning and operation at station level. It logs all GOOSE
events during substation operation to enable improved system
supervision.
Table 3. Supported ABB solutions
Product Version
Substation Management Unit COM600S 4.0 SP1 or later
4.1 or later (Edition 2)
MicroSCADA Pro SYS 600 9.3 FP2 or later
9.4 or later (Edition 2)
System 800xA 5.1 or later
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
18 ABB
PCM600Ethernet switch
Utility: IEC 60870-5-104
Industry: OPC
COM600S
Web HMI
ABB
MicroSCADA Pro/
System 800xA
Analog and binary horizontal
GOOSE communication
IEC 61850
PCM600Ethernet switch
COM600S
Web HMI
Analog and binary horizontal
GOOSE communication
IEC 61850
GUID-4D002AA0-E35D-4D3F-A157-01F1A3044DDB V4 EN
Figure 13. ABB power system example using Relion relays, COM600S and MicroSCADA Pro/System 800xA
6. Control
RET615 integrates functionality for the control of a circuit
breaker via the front panel HMI or by means of remote controls.
In addition to the circuit-breaker control the relay features two
control blocks which are intended for motor-operated control of
disconnectors or circuit breaker truck and for their position
indications. Further, the relay offers one control block which is
intended for motor-operated control of one earthing switch
control and its position indication.
Two physical binary inputs and two physical binary outputs are
needed in the relay for each controllable primary device taken
into use. Depending on the chosen standard configuration of
the relay the number of unused binary inputs and binary outputs
varies. Further, some standard configurations also offer
optional hardware modules that increase the number of
available binary inputs and outputs.
If the amount of available binary inputs or outputs of the chosen
standard configuration is not sufficient, the standard
configuration can be modified to release some binary inputs or
outputs which have originally been configured for other
purposes, when applicable, or an external input or output
module, for example, RIO600 can be integrated to the relay.
The binary inputs and outputs of the external I/O module can be
used for the less time critical binary signals of the application.
The integration enables releasing of some initially reserved
binary inputs and outputs of the relay in the standard
configuration.
The suitability of the binary outputs of the relay which have been
selected for controlling of primary devices should be carefully
verified, for example the make and carry as well as the breaking
capacity. In case the requirements for the control-circuit of the
primary device are not met, the use of external auxiliary relays
should to be considered.
The optional large graphical LCD of the relay's HMI includes a
single-line diagram (SLD) with position indication for the
relevant primary devices. Interlocking schemes required by the
application are configured using the signal matrix or the
application configuration functionality of PCM600.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
ABB 19
7. Measurements
The relay continuously measures the high voltage (HV) side and
the low voltage (LV) side phase currents and the neutral current
of the protected transformer. In addition, the relay calculates
the symmetrical components of the currents and voltages,
maximum current demand value over a user-selectable pre-set
time frame, the active and reactive power, the power factor,
and the active and reactive energy values. Calculated values
are also obtained from the protection and condition monitoring
functions of the relay. Depending on the standard
configuration, the relay also measures the phase voltages, the
residual voltage and the voltage sequence components.
For standard configuration A, B, C and D RTD/mA inputs are
offered as an option. By means of the optional RTD/mA module
the relay can measure up to eight analog signals such as
temperature, pressure and tap changer position values via the
six RTD inputs or the two mA inputs using transducers.
For standard configuration E, F, G and H RTD/mA inputs are
offered as an option. By means of these inputs the relay can
measure up to three analog signals such as temperature,
pressure and tap changer position values via the two RTD
inputs or the one mA inputs using transducers.
The measured values can be accessed via the local HMI or
remotely via the communication interface of the relay. The
values can also be accessed locally or remotely using the Web
HMI.
The relay is provided with a load profile recorder. The load
profile feature stores the historical load data captured at a
periodical time interval (demand interval). The records are in
COMTRADE format.
8. Disturbance recorder
The relay is provided with a disturbance recorder featuring up to
12 analog and 64 binary signal channels.The analog channels
can be set to record either the waveform or the trend of the
currents and voltages measured.
The analog channels can be set to trigger the recording function
when the measured value falls below or exceeds the set values.
The
binary signal channels can be set to start a recording either
on the rising or the falling edge of the binary signal or on both.
By default, the binary channels are set to record external or
internal relay signals, for example, the start or trip signals of the
relay stages, or external blocking or control signals. Binary relay
signals, such as protection start and trip signals, or an external
relay control signal via a binary input, can be set to trigger the
recording. Recorded information is stored in a nonvolatile
memory and can be uploaded for subsequent fault analysis.
9. Event log
To collect sequence-of-events information, the relay has a non-
volatile memory capable of storing 1024 events with the
associated time stamps. The non-volatile memory retains its
data even if the relay temporarily loses its auxiliary supply. The
event log facilitates detailed pre- and post-fault analyses of
feeder faults and disturbances. The considerable capacity to
process and store data and events in the relay facilitates
meeting the growing information demand of future network
configurations.
The sequence-of-events information can be accessed either via
local HMI or remotely via the communication interface of the
relay. The information can also be accessed locally or remotely
using the Web HMI.
10. Recorded data
The relay has the capacity to store the records of the 128 latest
fault events. The records can be used to analyze the power
system events. Each record includes, for example, current,
voltage and angle values and a time stamp. The fault recording
can be triggered by the start or the trip signal of a protection
block, or by both. The available measurement modes include
DFT, RMS and peak-to-peak. Fault records store relay
measurement values at the moment when any protection
function starts. In addition, the maximum demand current with
time stamp is separately recorded. The records are stored in
the non-volatile memory.
Transformer Protection and Control
1MRS756891 M
RET615
Product version: 5.0 FP1
20 ABB
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ABB RET615 User manual

RET615
ABB
Brand
ABB
Model
RET615
Type
User manual
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