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1MRK 505 293-UEN B
1.
Check that the IED settings are appropriate, for example the start value and the time
delay.
2.
Supply the IED with three-phase voltages at their rated values and frequency 20 mHz
under the set value
(
tDelay +100 ms).
3.
Verify that the TRIP signal is active.
4.
Increase the frequency with a 40 mHz step, applying it until the TRIP signal resets.
5.
Measure the reset time of the
function.
Verification of the low voltage magnitude blocking
1.
Check that the IED settings are appropriate, especially the
in SAPTUF, and the
function.
2.
Supply the IED with three-phase voltages at rated values.
3.
Slowly decrease the magnitude of the applied voltage until the BLKDMAGN signal
appears.
4.
Note the voltage magnitude value and compare it with the value
UBase / 100.
Where:
•
•
5.
Slowly decrease the frequency of the applied voltage, to a value below
explained in Section
6.
Check that the START signal does not appear.
7.
Wait for a time corresponding to (
not appear.
8.
Slowly increase the magnitude of the applied voltages until the
9.
Verify that the signal
to verify that also the signal TRIP becomes active.
7.5.1.2
Completing the test
Continue to test another function or end the testing by setting the parameter
under Main menu/Tests/IED test mode/TESTMODE:1. If another function is tested, then set
the parameter
SAPTUF(81,f<)/SAPTUF:X for the function, or for each individual function in a chain, to be
tested next. Remember to set the parameter
has been tested.
7.5.2
Overfrequency protection SAPTOF
Prepare the IED for verification of settings as outlined in section
settings.
Values of the logical signals for SAPTOF are available on the local HMI under Main menu/
Tests/Function status/Frequency/SAPTOF(81,f>)/SAPTOF:X. The Signal Monitoring in
PCM600 shows the same signals that are available on the local HMI.
Breaker protection REQ650
Commissioning manual
StartFrequency , applying it for a time that is at least 10% longer than
GlobalBaseSel and the MinValFreqMeas in the SMAI preprocessing
MinValFreqMeas is a set value of the SMAI.
UBase is the value in the GBASVAL group identified by the setting
"Verification of START value and time delay to
START appears and wait for a time at least equal to ( tDelay +100 ms)
Blocked to No under Main menu/Tests/Function test modes/Frequency/
© Copyright 2013 ABB. All rights reserved
TRIP signal, and compare it with the technical data of the
tDelay +100 ms), and check that the TRIP signal does
Blocked to Yes , for each individual function that
Testing functionality
StartFrequency and the tDelay
MinValFreqMeas x
GlobalBaseSel .
StartFrequency as
operate".
BLKDMAGN signal resets.
TestMode to Off
Preparing the IED to verify
Section 7
M16289-39 v5.1.1
M16289-57 v5
M16290-2 v7.1.1
71
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