Section 3 Configuration
3.1 Description of configuration REB670
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3.1.1 Available ACT configurations for pre-configured REB670
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Three configurations have been made available for pre-configured REB670 IED with two zones.
Product variant with six zone is available as customized product only. It shall be noted that all
three configurations include the following features:
• fully configured for the total available number of bays in each REB670 variant
• facility to take any bay out of service via the local HMI or externally via binary input
• facility to block any of the two zones via the local HMI or externally via binary input
• facility to block all bay trips via the local HMI or externally via binary input, but leaving all
other function in service (that is BBP Zones, BFP and OCP where applicable)
• facility to externally initiate built-in disturbance recorder
• facility to connect external breaker failure backup trip signal from every bay
• facility to connect external bay trip signal
3.1.2 Configuration X01
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This configuration includes only busbar protection for simple stations layouts (in other words,
one-and-a-half breaker, double breaker or single breaker stations). Additionally it can be used
for double busbar-single breaker stations where disconnector replica is done by using only b
auxiliary contact from every disconnector and/or circuit breakers. As a consequence no
disconnector/breaker supervision will be available. It is as well possible to adapt this
configuration by the signal matrix tool to be used as direct replacement of RED521 terminals.
This configuration is available for all five REB670 variants (that is A20, A31, B20, B21 & B31). It
shall be noted that optional functions breaker failure protection CCRBRF, end fault protection
and overcurrent protection PH4SPTOC can be ordered together with this configuration, but
they will not be pre-configured. Thus these optional functions shall be configured by the end
user.
3.1.3 Configuration X02
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This configuration includes only busbar protection for double busbar-single breaker stations,
where Zone Selection is done by using a and b auxiliary contacts from every disconnector
and/or circuit breaker. Thus full disconnector/breaker supervision is available. This
configuration is available for only three REB670 variants (that is A31, B21 and B31). It shall be
noted that optional functions breaker failure protection CCRBRF, end fault protection and
overcurrent protection PH4SPTOC can be ordered together with this configuration, but they
will not be pre-configured. Thus these optional functions shall be configured by the end user.
3.1.4 Configuration X03
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This configuration includes BBP with breaker failure protection CCRBRF, end fault protection
and overcurrent protection PH4SPTOC for double busbar-single breaker stations, where Zone
Selection is done by using a and b auxiliary contacts from every disconnectors and/or circuit
breakers. Thus full disconnector/breaker supervision is available. This configuration is
available for only three REB670 variants (that is A31, B21 and B31).
1MRK 505 370-UEN D Section 3
Configuration
Busbar protection REB670 47
Application manual
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