5.
Initiate the same fault once again within the reclaim time of the used autorecloser
function.
A single-phase fault shall be given at the first fault. A three-phase trip must be
initiated for the second fault. Check that the corresponding trip signals appear
after both faults. Functional outputs TRIP, TR_A, TR_B, TR_C and TR1P should
be active during 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.
6.
Initiate a single-phase-to-ground fault and switch it off immediately when the trip
signal is issued for the corresponding phase.
7.
Initiate the second single-phase-to-ground fault in one of the remaining phases.
This shall be within the time interval, shorter than
tEvolvingFault
(default setting
2.0 s) and shorter than the dead-time of the autoreclose function, when included
in the protection scheme. Check that the second trip is a three-phase 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
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.
6.10.2.2
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.
Initiate a three-phase fault
The functional output TRIP should be active at each fault. The output CLLKOUT
must not be set.
3.
Activate the automatic lockout function, set
AutoLock
=
Enabled
and repeat.
4.
Reset the lockout signal by shortly thereafter activating the reset lockout
(RSTLKOUT) signal.
5.
Activate the TRIP signal lockout function, set
TripLockout
=
Enabled
and repeat.
The output TRIP must be active and stay active after each fault, CLLKOUT must
be set.
6.
Reset the lockout.
All functional outputs should reset.
7.
Deactivate the TRIP signal lockout function, set
TripLockout
=
Disabled
and the
automatic lockout function, set
AutoLock
=
Disabled
if not used.
6.10.2.3
Completing the test
Continue to test another function or end the testing by setting the parameter
TestMode
to
Disabled
under
Main menu/Tests/IED test mode/1:TESTMODE
. If another
function is tested, then set the parameter
Blocked
to
No
under
Main menu/Tests/
Function test modes/Logic/SPTPTRC(94,1->0)/1:SPTPTRC
for the function, or for
1MRK 506 331-UUS A
Section 6
Testing functionality
139
Commissioning Manual
Summary of Contents for Relion 650 Series REL650
Page 1: ...Relion 650 series Line distance protection REL650 ANSI Commissioning Manual ...
Page 2: ......
Page 8: ......
Page 22: ...14 ...
Page 44: ...36 ...
Page 52: ...44 ...
Page 156: ...148 ...
Page 166: ...158 ...
Page 175: ...167 ...