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Description
A protection, control, and monitoring IED with
extensive functional library and configuration
possibilities and expandable hardware design tomeet specific user requirements
ABB RED670 Line differential protection IED
A protection, control, and monitoring IED withextensive functional library and configuration
possibilities and expandable hardware design to
meet specific user requirements
• For overhead lines and cables
• For transformer feeders
• For single and/or three phase tripping
• High impedance differential protection for
tee-feeders
• Phase-segregated line differential protection
with up to six stabilized inputs for up to five line
terminals with:
- Charging current compensation
- Separate inputs for each CT in double
breaker, ring and one and a half breaker
installations for improved through fault stability
- Suitable for multiplexed, route switched, as
well as dedicated fibre, communication networks using C37.94 protocol
- Power transformers can be included in the
protected zone
- Transfer of up to eight binary signals
- Time synchronization with the echo-method
or built-in GPS
• Full scheme phase-to-phase and phase-to-earth
distance protection with up to three zones:
- All types of scheme communication
- Load encroachment feature
• Synchrocheck and dead-line check function for
single- or multi-breaker arrangements:
- Selectable energizing direction
- Two functions with built-in voltage selection
- For automatic or manual synchrocheck and
with different settings
• Auto-reclosing function for single- two-, and/or
three-phase reclosing:
- Two functions with priority circuits for
multi-breaker arrangements
- Co-operation with synchrocheck function
- Can be switched On-Off from remote through
communication or with local switches through
binary inputs
• Selectable additional software functions such as
distance protection, control and monitoring
• Built-in data communication modules for station
bus IEC 61850-8-1
• Data communication modules for station bus
IEC 60870-5-103, LON and SPA
• Integrated disturbance and event recorder for up
to 40 analog and 96 binary signals
• Time synchronization over IEC 61850-8-1, LON,
SPA, binary input or with optional GPS module
• Analog measurements accuracy up to below
0.5% for power and 0.25% for current and voltage and with site calibration to optimize total
accuracy
• Versatile local human-machine interface
• Extensive self-supervision with internal event
recorder
• Six independent groups of complete setting
parameters with password protection
• Powerful software PC tool for setting, disturbance evaluation and configuration
• Remote end data communication modules for
C37.94 and G.703
Differential protection
- High impedance differential protection
(PDIF, 87X)
• Line differential protection
- Line differential protection, 3 CT sets, 2-3 line
ends (PDIF, 87L)
- Line differential protection, 6 CT sets, 3-5 line
ends (PDIF, 87L)
- Line differential protection 3 CT sets, with
in-zone transformers, 2-3 line ends
(PDIF, 87LT)
- Line differential protection 6 CT sets, with
in-zone transformers, 3-5 line ends
(PDIF, 87LT)
• Distance protection
- Distance protection zones (PDIS, 21)
- Phase selection with load encroachment
(PDIS, 21)
- Power swing detection (RPSB, 78)
- Automatic switch onto fault logic (PSOF)
• Current protection
- Instantaneous phase overcurrent protection(PIOC, 50)
- Four step phase overcurrent protection(POCM, 51/67)
- Instantaneous residual overcurrent protection(PIOC, 50N)
- Four step residual overcurrent protection
(PEFM, 51N/67N)
- Thermal overload protection, one time con stant (PTTR, 26)
- Breaker failure protection (RBRF, 50BF)
- Stub protection (PTOC, 50STB)
- Pole discordance protection (RPLD, 52PD)
• Voltage protection
- Two step undervoltage protection(PUVM, 27)
- Two step overvoltage protection (POVM, 59)
- Two step residual overvoltage protection
(POVM, 59N)
- Overexcitation protection (PVPH, 24)
• Frequency protection
- Underfrequency protection (PTUF, 81)
- Overfrequency protection (PTOF, 81)
- Rate-of-change frequency protection
(PFRC, 81)
• Multipurpose protection
- General current and voltage protection
(GAPC)
• Secondary system supervision
- Current circuit supervision (RDIF)
- Fuse failure supervision (RFUF)
• Control
- Synchrocheck and energizing check(RSYN, 25)
- Autorecloser (RREC, 79)
- Apparatus control for single bay, max 8 app.
(1CB) incl. Interlocking (APC8)
- Apparatus control for single bay, max 15 app.
(2CBs) incl. Interlocking (APC15)
• Scheme communication
- Scheme communication logic for distanceprotection (PSCH, 85)
- Current reversal and weak-end infeed logic
for distance protection (PSCH, 85)
- Local acceleration logic (PLAL)
- Scheme communication logic for residual
overcurrent protection (PSCH, 85)
- Current reversal and weak-end infeed logic
for residual overcurrent protection(PSCH, 85)
• Logic
- Tripping logic (PTRC, 94)
- Trip matrix logic
- Configurable logic blocks
- Fixed signal function block
• Monitoring
- Measurements (MMXU)
- Supervision of mA input signals (MVGGIO)
- Event counter (GGIO)
- Event function
- Disturbance report (RBDR)
- Fault locator (RFLO)
• Metering
- Pulse counter logic (GGIO)
• Station communication
- IEC61850-8-1 communication
- LON communication protocol
- SPA communication protocol
- IEC 60870-5-103 communication protocol
- Horizontal communication via GOOSE forinterlocking
- Single command, 16 signals
- Multiple Command, 80 blocks with 16 signalseach
- Ethernet configuration of links
• Remote communication
- Binary signal transfer
• Basic IED functions
- Self supervision with internal event list
- Time synchronization (TIME)
- Parameter setting groups
- Test mode functionality (TEST)
- Change lock function
- IED identifiers
- Rated system frequency
• Hardware
- Power supply module (PSM)
- Binary input module (BIM)
- Binary output module (BOM)
- Binary in/out module (IOM)
- mA input module (MIM)
- Transformer input module, standard com pression connection terminals (TRM)
- Optical ethernet module (OEM)
- SPA/LON/IEC module (SLM)
- Line data communication module (LDCM)
- GPS time synchronization module (GSM)
• Accessories
- GPS antenna, including mounting kit
- External interface converter from C37.94 to G703
- High impedance resistor unit
- Test switch module RTXP24
- On/off switch
Application The RED 670 IED is used for the protection, con trol and monitoring of overhead lines and cables in
all types of networks. The IED can be used up to
the highest voltage levels. It is suitable for the pro tection of heavily loaded lines and multi-terminal
lines where the requirement for tripping is one-,
two-, and/or three pole. The IED is also suitable
for protection of cable feeders to generator block transformers.
The phase segregated current differential protec tion provides an excellent sensitivity for high
resistive faults and gives a secure phase selection.
The availability of six stabilized current inputs
allows use on multi-breaker arrangements in three
terminal applications or up to five terminal appli cations with single breaker arrangements. Remote
communication based on the IEEE C37.94 stan dard can be redundant when required for important
installations. Charging current compensation
allows high sensitivity also on long overhead lines
and cables. A full scheme distance protection is
included as independent protection or as back-up
at remote end communication failures. Eight chan nels for intertrip and binary signals are available in
the communication between the IEDs.
The auto-reclose for single-, two- and/or three
phase reclosing includes priority circuits for
multi-breaker arrangements. It co-operates with
the synchrocheck function with high-speed ordelayed reclosing.
High set instantaneous phase and earth overcur rent, four step directional or un-directional delayed
phase and earth overcurrent, thermal overload and
two step under and overvoltage functions are
examples of the available functions allowing the
user to fulfill any application requirement.
The IED can also be provided with a full control
and interlocking functionality including co-opera tion with the synchrocheck function to allow inte gration of the main or back-up control.
The advanced logic capability, where the user
logic is prepared with a graphical tool, allows spe cial applications such as automatic opening of dis connectors in multi-breaker arrangements, closing
of breaker rings, load transfer logics etc. The
graphical configuration tool ensures simple and
fast testing and commissioning.
Serial data communication is via optical connec tions to ensure immunity against disturbances.
The wide application flexibility makes this product
an excellent choice for both new installations and
the refurbishment of existing installations.
Functionality Differential protection
High impedance differential protection(PDIF, 87)
The high impedance differential protection can be
used when the involved CT cores have same turn
ratio and similar magnetizing characteristic. It uti lizes an external summation of the phases and neu tral current and a series resistor and a voltage
dependent resistor externally to the relay.
Line differential protection, 3 or 6CT sets (PDIF, 87L)
The line differential function compares the cur rents entering and leaving the protected overhead
line or cable. It offers phase-segregated true cur rent differential protection with high sensitivity
and provides phase selection information for sin gle-pole tripping.
The three terminal version is used for conventional
two-terminal lines with or without 1 1/2 circuit
breaker arrangement in one end, as well as three
terminal lines with single breaker arrangements atall terminals.
Purchase history
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