ABB RED615 ANSI Bedienungsanleitung
Relion® 615 series
Line Differential Protection and Control
RED615
Product Guide
Contents
1. Description.....................................................................3
2. Standard configurations.................................................3
3. Protection functions........................................................6
4. Application.....................................................................8
5. Supported ABB solutions.............................................14
6. Control.........................................................................15
7. Measurement...............................................................16
8. Disturbance recorder....................................................17
9. Event log......................................................................17
10. Recorded data............................................................17
11. Condition monitoring...................................................17
12. Trip-circuit supervision.................................................17
13. Self-supervision...........................................................17
14. Current circuit supervision...........................................17
15. Protection communication and supervision.................18
16. Access control............................................................19
17. Inputs and outputs......................................................19
18. Station communication................................................20
19. Technical data.............................................................23
20. Local HMI....................................................................50
21. Mounting methods......................................................51
22. IED case and IED plug-in unit......................................51
23. Selection and ordering data.........................................52
24. Accessories and ordering data....................................55
25. Tools...........................................................................55
26. Terminal diagrams.......................................................58
27. Certificates..................................................................60
28. References..................................................................60
29. Functions, codes and symbols....................................61
30. Document revision history...........................................63
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 2012 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.
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
2 ABB
1. Description
RED615 is a phase-segregated two-end line
differential protection and control IED (intelligent
electronic device) designed for utility and
industrial power systems, including radial, looped
and meshed distribution networks with or without
distributed power generation. The RED615s
communicate between substations over a fibre-
optic link or a galvanic pilot wire connection.
RED615 is a member of ABB’s Relion® product
family and part of its 615 protection and control
product series. The 615 series IEDs are
characterized by their compactness and
withdrawable-unit design. Re-engineered from the
ground up, the 615 series has been guided by the
IEC 61850 standard for communication and
interoperability of substation automation
equipment.
The IED provides unit type main protection for
overhead lines and cable feeders in distribution
networks. The IED also features current-based
protection functions for remote back-up for down-
stream protection IEDs and local back-up for the
line differential main protection. Further, standard
configurations B and C also include earth-fault
protection.
The IED is adapted for the protection of overhead
line and cable feeders in isolated neutral,
resistance earthed, compensated (impedance
earthed) and solidly earthed networks. Once the
IED has been given the application-specific
settings, it can directly be put into service.
The 615 series IEDs support a range of
communication protocols including IEC 61850
with GOOSE messaging, IEC 60870-5-103,
Modbus® and DNP3.
2. Standard configurations
RED615 is available in three alternative standard
configurations. The standard signal configuration
can be altered by means of the graphical 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
IED configuration can be adapted to user specific
application requirements.
Table 1. Standard configurations
Description Std. conf.
Line differential protection A
Line differential protection with directional earth-fault protection B
Line differential protection with non-directional earth-fault protection C
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0 Issued: 2012-05-11
Revision: F
ABB 3
Table 2. Supported functions
Functionality A B C
Protection1)
Three-phase non-directional overcurrent protection, low stage, instance 1 ● ● ●
Three-phase non-directional overcurrent protection, high stage, instance 1 ● ● ●
Three-phase non-directional overcurrent protection, high stage, instance 2 ● ● ●
Three-phase non-directional overcurrent protection, instantaneous stage, instance 1 ● ● ●
Non-directional earth-fault protection, low stage, instance 1 - - ●3)
Non-directional earth-fault protection, low stage, instance 2 - - ●3)
Non-directional earth-fault protection, high stage, instance 1 - - ●3)
Non-directional earth-fault protection, instantaneous stage - - ●3)
Directional earth-fault protection, low stage, instance 1 - ●2)3)4) -
Directional earth-fault protection, low stage, instance 2 - ●2)3)4) -
Directional earth-fault protection, high stage - ●2)3)4) -
Admittance based earth-fault protection, instance 1 - o2)3)4) -
Admittance based earth-fault protection, instance 2 - o2)3)4) -
Admittance based earth-fault protection, instance 3 - o2)3)4) -
Wattmetric based earth-fault protection, instance 1 o2)3)4) -
Wattmetric based earth-fault protection, instance 2 o2)3)4) -
Wattmetric based earth-fault protection, instance 3 o2)3)4) -
Transient / intermittent earth-fault protection - ●4)5) -
Harmonics based earth-fault protection o 2)5)6) o 2)5)6)
Non-directional (cross-country) earth fault protection, using calculated Io - ●7) -
Negative-sequence overcurrent protection, instance 1 ● ● ●
Negative-sequence overcurrent protection, instance 2 ● ● ●
Phase discontinuity protection - ● ●
Residual overvoltage protection, instance 1 - ●4) -
Residual overvoltage protection, instance 2 - ●4) -
Residual overvoltage protection, instance 3 - ●4) -
Three-phase thermal protection for feeders, cables and distribution transformers - ● ●
Binary signal transfer ● ● ●
Line differential protection and related measurements, stabilized and instantaneous
stages ● ● ●
Circuit breaker failure protection ●8) ● ●
Three-phase inrush detector ● ● ●
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
4 ABB
Table 2. Supported functions, continued
Functionality A B C
Master trip, instance 1 ● ● ●
Master trip, instance 2 ● ● ●
Control
Circuit-breaker control ● ● ●
Disconnector control, instance 1 ●6) ●6) ●6)
Disconnector control, instance 2 ●6) ●6) ●6)
Earthing switch control ●6) ●6) ●6)
Disconnector position indication, instance 1 ● ● ●
Disconnector position indication, instance 2 ●6) ●6) ●6)
Disconnector position indication, instance 3 ●6) ●6) ●6)
Earthing switch indication, instance 1 ● ● ●
Earthing switch indication, instance 2 ●6) ●6) ●6)
Auto-reclosing - o o
Condition Monitoring
Circuit-breaker condition monitoring - ● ●
Trip circuit supervision, instance 1 ● ● ●
Trip circuit supervision, instance 2 ● ● ●
Current circuit supervision ● ● ●
Protection communication supervision ● ● ●
Measurement
Disturbance recorder ● ● ●
Three-phase current measurement, instance 1 ● ● ●
Sequence current measurement ● ● ●
Residual current measurement, instance 1 - ● ●
Residual voltage measurement - ● -
● = included, o = optional at the time of order
1) The instances of a protection function represent the number of identical function blocks available in a standard configuration. By setting the
application specific parameters of an instance, a protection function stage can be established.
2) One of the following can be ordered as an option; Admittance based E/F, Wattmetric based E/F or Harmonics based E/F. The option is an addition to
the existing E/F of the original configuration. The Admittance based and Wattmetric based optional E/F has also a predefined configuration in the
relay. The optional E/F can be set on or off.
3) Io selectable by parameter, Io measured as default.
4) Uo measured is always used.
5) Io measured is always used.
6) Available in IED and SMT but not connected to anything in logic.
7) Io selectable by parameter, Io calculated as default.
8) Io calculated is always used.
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
ABB 5
3. Protection functions
The IED offers two-stage phase-segregated line
differential protection, phase overcurrent
protection, negative phase-sequence overcurrent
protection and circuit-breaker failure protection.
Depending on the standard configuration chosen,
the basic functionality can be extended by
thermal overload protection, directional or non-
directional earth-fault protection, sensitive earth-
fault protection, phase discontinuity protection,
transient/intermittent earth-fault protection,
residual overvoltage protection and three-pole
multi-shot auto-reclose functions for overhead
line feeders. For standard configuration B
admittance-based, wattmetric-based or
harmonics-based earth-fault protection, is offered
as an option in addition to the directional earth-
fault protection.
The line differential protection function includes a
stabilized low stage and an instantaneous high
stage. The stabilized low stage provides sensitive
differential protection and remains stable during,
for example, current transformer saturation
conditions. The low-stage operation can be
restrained using second harmonic detection if an
out-of-zone power transformer is to be energized.
The instantaneous high stage offers less sensitive
differential protection but enables fast operation
during high fault currents.
The operating time characteristic for the low
stage can be set to definite time or inverse
definite time mode. The direct inter-trip function
ensures that both ends are always simultaneously
tripped, independent of the fault current
contribution.
GUID-B8CBF357-474F-4F61-BE28-D107515A09AA V4 EN
Figure 1. Protection function overview of standard configuration A
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
6 ABB
GUID-81A76312-4CC1-4AE8-A0A3-14C9800EE0E2 V3 EN
Figure 2. Protection function overview of standard configuration B
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
ABB 7
GUID-4F4A066F-28C1-40FB-B3A6-B2CC3119E587 V3 EN
Figure 3. Protection function overview of standard configuration C
4. Application
RED615 can be used in a variety of applications
requiring an absolutely selective unit type
protection system. The zone-of-protection of a
line differential protection system is the feeder
section defined by the location of the current
transformers in the local and the remote
substation.
Combining horizontal GOOSE communication
over a station bus and binary signal transfer over
the protection communication link offers new
application possibilities beyond traditional line
differential protection. One interesting application
based on inter-substation signal transfer is loss-of-
mains (LOM) protection in networks with
distributed generation. The performance of the
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
8 ABB
combination of binary signal transfer and
horizontal GOOSE communication performance
as to speed, selectivity and reliability are hard to
match with conventional loss-of-mains protection.
RED615 is the ideal IED for the protection of
feeders in network configurations containing
closed loops. Under normal operating conditions
the feeder loop is closed. The aim of the closed
loop is to secure the availability of power for the
end users. As a result of the closed loop
configuration, any fault spot in the system will be
fed with fault current from two directions. Using
plain overcurrent protection, either directional or
non-directional, it is difficult to obtain fast and
selective short circuit protection. With RED615
line differential protection IEDs the faulty part of
the network can be selectively isolated, thus
securing power distribution to the healthy part of
the network.
GUID-D4440C4D-6C02-4A37-A38B-1AEDCA9246FC V1 EN
Figure 4. Closed loop network configuration with RED615 line differential protection and control IEDs
Under certain operational circumstances, such as
maintenance of primary equipment or substation
extension projects there will be a need for
interconnecting network parts, which normally are
separated. To avoid major re-parameterization of
the protection devices of the network when the
network topology is changed, line differential
protection IEDs can be used to obtain absolutely
selective feeder protection in looped networks.
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
ABB 9
GUID-245166BA-1052-4EDC-8C2D-9C968FA05C66 V3 EN
Figure 5. RED615 protecting an interconnecting feeder between two primary distribution substations
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
10 ABB
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