Circuit Breaker Lockout - ABB REG670 Commissioning Manual

1MRK 502 073-UUS A
13.11.1.3
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Commissioning manual
No other outputs should be active.
4. Initiate a single phase-to-ground fault and switch it off immediately when the trip
signal is issued for the corresponding phase. Initiate the same fault once again
within the reset time of the used SMBRREC (79).
5. Initiate a single phase-to-ground fault and switch it off immediately when the trip
signal is issued for the corresponding phase. Initiate the second single phase-to-
ground fault in one of the remaining phases within the time interval, shorter than
tEvolvingFault (default setting 2.0s) and shorter than the dead-time of
SMBRREC (79), when included in the protection scheme.
Check that the second trip is a three-pole trip and that a three-phase autoreclosing
attempt is given after the three-phase dead time. Functional outputs TRIP, TR_A,
TR_B, TR_C and TR1P should be active during the first fault. No other outputs
should be active. Functional outputs TRIP, all TR_A, TR_B, TR_C and TR3P
should be active during second fault.

Circuit breaker lockout

The following tests should be carried out when the built-in lockout function is used in
addition to possible other tests, which depends on the complete configuration of an
IED.
1. Check that AutoLock and TripLockout are both set to Disabled.
2. Activate shortly the set lockout (SETLKOUT) signal in the IED.
3. Check that the circuit breaker lockout (CLLKOUT) signal is set.
4. Activate shortly thereafter, the reset lockout (RSTLKOUT) signal in the IED.
5. Check that the circuit breaker lockout (CLLKOUT) signal is reset.
6. Initiate a three-phase fault.
A three- trip should occur and all trip outputs TR_A, TR_B, TR_C should be
activated. Functional outputs TRIP and TR3P should be active at each fault. The
output CLLKOUT should not be set.
7. Activate the automatic lockout function, set AutoLock = Enabled and repeat.
Besides the TRIP outputs, CLLKOUT should be set.
8. Reset the lockout signal by activating the reset lockout (RSTLKOUT) signal.
9. Activate the trip signal lockout function, set TripLockout = Enabled and repeat.
All trip outputs (TR_A, TR_B, TR_C) and functional outputs TRIP and TR3P
must be active and stay active after each fault, CLLKOUT should be set.
10. Reset the lockout.
All functional outputs should reset.
11. Deactivate the trip signal lockout function, set TripLockout = Disabled and the
automatic lockout function, set AutoLock = Disabled.
Testing functionality by secondary injection
Section 13
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