A three-phase trip should occur and all trip outputs TRL1, TRL2, TRL3 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
=
On
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
=
On
and repeat.
All trip outputs (TRL1, TRL2, TRL3) 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
=
Off
and the
automatic lockout function, set
AutoLock
=
Off
.
10.12.1.5
Completing the test
Continue to test another function or end the test by changing the
TestMode
setting to
Off
. Restore connections and settings to their original values, if they were changed for
testing purposes.
10.13
Monitoring
10.13.1
Gas medium supervision SSIMG
Prepare the IED for verification of settings as outlined in section
medium supervision for alarm and lock out conditions"
in this chapter.
Check that the input logical signal
BLOCK
is logical zero and that on the local HMI,
the logical signals
PRES_ALM
,
PRES_LO
,
TEMP_ALM
and
TEMP_LO
are equal to
logical zero.
10.13.1.1
Testing the liquid medium supervision for alarm and lock out conditions
1.
Connect binary inputs to consider gas pressure and gas density to initiate the
alarms.
2.
Consider the analogue pressure input
PRESSURE
to initiate the alarms.
3.
Gas pressure lock out input can be used to set
PRES_LO
signal, check the signal
status in local HMI under
Main menu/Test/Function status/Monitoring/Gas
medium supervision SSIMG/PRES_LO
4.
Reduce the pressure level input below
PresAlmLimit
, check for
PRES_ALM
signal status in local HMI under
Main menu/Test/Function status/
Monitoring/Gas medium supervision SSIMG/PRES_ALM
5.
Activate
BLOCK
binary input, the signals
PRES_ALM
,
PRES_LO
should
disappear.
1MRK 506 355-UEN A
Section 10
Testing functionality by secondary injection
Line distance protection REL670 2.1 IEC
233
Commissioning manual
Содержание Relion 670 Series REL670
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