ABB Relion 670 Series Applications Manual page 35

1MRK 505 370-UUS Rev. K
Optionally available circuit breaker failure protection, one for every CT input into the IED, offers secure
local back-up protection for the circuit breakers in the station.
Optionally available four-stage, non-directional overcurrent protections, one for every CT input into the
IED, provide remote backup functionality for connected feeders and remote-end stations.
Optionally available voltage and frequency protection functions enable to include voltage release criterion
for busbar protection or to integrate independent over-, under-voltage protection for the bus in the busbar
protection IED.
Optionally available over-current, thermal overload and capacitor bank protection functions open
possibilities to integrate protection of shunt reactors and shunt capacitor banks into the busbar protection
IED.
It is normal practice to have just one busbar protection IED per busbar. Nevertheless some utilities do
apply two independent busbar protection IEDs per zone of protection. This IED fits both solutions.
A simplified bus differential protection for multi-phase faults and ground faults can be obtained by using a
single, one-phase IED with external auxiliary summation current transformers.
The IED can be used in applications with IEC/UCA 61850-9-2LE process bus with up to eight merging
units (MU) depending on the other functionality included in the IED. Each MU has eight analog channels,
four currents and four voltages. Conventional and Merging Unit channels can be mixed freely in the
application.
Forcing of binary inputs and outputs is a convenient way to test wiring in substations as well as testing
configuration logic in the IEDs. Basically it means that all binary inputs and outputs on the IED I/O
modules (BOM, BIM, IOM & SOM) can be forced to arbitrary values.
IED supports COMTRADE1999 and COMTRADE2013 formats which can be selected in Parameter
Setting Tool (PST) of PCM600 or via LHMI.
Central Account Management is an authentication infrastructure that offers a secure solution for
enforcing access control to IEDs and other systems within a substation. This incorporates management
of user accounts, roles and certificates and the distribution of such, a procedure completely transparent
to the user.
The Flexible Product Naming allows the customer to use an IED-vendor independent IEC 61850 model
of the IED. This customer model will be exposed in all IEC 61850 communication, but all other aspects of
the IED will remain unchanged (e.g., names on the local HMI and names in the tools). This offers
significant flexibility to adapt the IED to the customers' system and standard solution.
Optional apparatus control for up to 30 objects can provide a facility to draw simplified single line diagram
(SLD) of the station on the local HMI.
Busbar protection REB670
Application manual
Note that customized REB670 is delivered without any configuration. Thus the complete
IED engineering shall be done by the customer or its system integrator. In order to
secure proper operation of the busbar protection it is strictly recommended to always
start engineering work from the PCM600 project for the pre-configured REB670 which is
the closest to the actual application. Then, necessary modifications shall be applied in
order to adopt the customized IED configuration to suite the actual station layout. The
PCM600 project for the pre-configured REB670 IEDs is available in the Connectivity
Package DVD.
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Section 2
Application
M11788-3 v11
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