Operation And Maintenance; Maintenance Of Bay Protection Functions; Protection Blocking; Protection Tripping - ABB REB500 Applications Manual

Section 6
BP-Additions to base documentation
6.2
6.2.1
6.2.2
6.2.3
46

Operation and maintenance

The following information about bay protection functionality applies in addition to
the Operation Manual of REB500.

Maintenance of bay protection functions

Before checking the bay protection functions, consider the possible effect of, for
example, secondary injection on other protection functions such as the busbar and
breaker failure protection functions.
Where there is doubt, block the station protection functions by ap-
plying the input signal "31205_Block SP" to the central unit.

Protection blocking

This section lists the indications and signals which occur when the bay protection
is blocked.
Table 56 BP blocked, central unit and bay units
LEDs
HMI text
BP blocked Green lit, yellow
flashes until button
on the local HMI
pressed

Protection tripping

This section lists the indications and signals which occur when the bay protection
trips.
Table 57 BP tripped, central unit
LEDs
HMI text
Date Time Green lit,
red lit
DIST trip
Feeder name
Date Time Green lit,
red lit
OCTD trip
Feeder name
Date Time Green lit,
OCINV trip red lit
Feeder name
Date Time Green lit,
I0INV trip red lit
Feeder name
Date Time Green lit,
Event
CU: "49405_BP blocked" active
BU: "29405_BP blocked" active
Event
CU: None
CU: None
CU None
CU: None
CU: None
Bay protection functions REB500
1MRK 505 353-UEN
Application Manual