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8.1. Test the actual set values defined by
OperAlmLevel and OperLOLevel.
8.2. The operation counter, NOOPER is updated for every close-open sequence of the
breaker by changing the position of auxiliary contacts
POSCLOSE and POSOPEN.
8.3.
OPERALM
is activated when NOOPER value exceeds the set
OperAlmLevel value. The
actual value can be read on the output
NOOPER
.
8.4.
OPERLO
is activated when NOOPER value exceeds the set
OperLOLevel value.
9. Test of CB spring charge monitoring
9.1. Test the actual set value defined by
SpChAlmTime.
9.2. Enable
SPRCHRST
input. Also activate SPRCHRD after a time greater than set time
SpChAlmTime.
9.3. At this condition,
SPCHALM
is activated.
10. Test of CB gas pressure indication
10.1. Test the actual set value defined by
tDGasPresAlm and tDGasPresLO.
10.2. The output
GPRESALM
is activated after a time greater than set time of
tDGasPresAlm value if the input
PRESALM
is enabled.
10.3. The output
GPRESLO
is activated after a set time of
tDGasPresLO value if the input
PRESLO
is enabled.
12.12.3.2
Completing the test
GUID-0A16206F-690E-46EF-86F4-5A89E0BF640B v3
1.
Continue to test another function or end the test by changing the
Test mode setting to
Off.
2.
Restore connections and settings to their original values if they were changed for testing
purposes.
12.12.4
Event function EVENT
M11751-2 v4
Prepare the IED for verification of settings as outlined in section
and section
During testing, the IED can be set when in test mode from PST. The functionality of the event
reporting during test mode is set in the Parameter Setting tool in PCM600.
•
Use event masks
•
Report no events
•
Report all events
In test mode, individual event blocks can be blocked from PCM600.
12.12.5
Limit counter L4UFCNT
GUID-7EBDC372-3407-4577-8B9A-6AB1758A1F34 v1
The Limit counter function L4UFCNT can be tested by connecting a binary input to the counter
and applying pulses to the counter. The speed of the pulses must not exceed the cycle time of
the function. Normally the counter will be tested when testing the function that the counter is
connected to, such as the trip function. When the function is configured, test it together with
the function that operates it. Trig the function and check that the counter result corresponds
to the number of operations.
Section 12
1MRK 502 067-UEN B
Testing functionality by secondary injection
226
Commissioning manual