ABB Relion 670 Series Commissioning Manual page 107

1MRK 506 377-UEN Rev. K
10.5.2 Two-step directional phase overcurrent protection D2PTOC
Prepare the IED for verification of settings outlined in Section
Values of the logical signals for D2PTOC are available on the local HMI under Main menu/Tests/
Function status/Current protection/DirOverCurr2Step(51_67, 2(2I>))/D2PTOC(51_67;2(2I>)):x ,
where x = 1, 2,...8.
The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI.
10.5.2.1 Function revision history
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revision
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10.5.2.2 Verifying the settings
1. Connect the test set for current injection to the appropriate IED phases.
If there is any configuration logic that is used to enable or block any of the two available
overcurrent steps, make sure that the step under test is enabled.
2. Connect the test set for the appropriate two-phase voltage injection to the IED phases L1 and
L2. The protection shall be fed with a symmetrical two-phase voltage.
3. Block step two when testing step 1. To test step 1, follow the procedure described below:
3.1. Set the injected polarizing voltage larger than the set minimum polarizing voltage (default
3.2. Increase the injected current, note the operate value of the tested step of the function
3.3. Decrease the current slowly, note the reset value and compare it to the reset ratio 95%.
4. Set the injected current to 200% of the operate level of the tested stage, switch on the current
and check the time delay.
Railway application RER670
Commissioning manual
Product History
revision
2.2.1 -
2.2.1 -
2.2.2 -
2.2.3 -
2.2.3 -
2.2.4 -
2.2.4 -
2.2.4 -
2.2.4 -
2.2.5 • The harmonic restraint function changed to freeze the definite and IDMT timers.
• The previously called setting tDef1 is changed to t1 for more clear understanding.
The verification of the non-directional phase overcurrent function is done as
instructed below, but without applying any polarizing voltage.
is 3.0% of UBase) and set the injection current to lag the appropriate voltage by an angle
of about 45° if forward directional function is selected.
If reverse directional function is selected, set the injection current to lag the polarizing
voltage by an angle equal to 225° (equal to 45° + 180°).
Monitor on the HMI service values for measured current, voltage and phase angle
between the voltage and current in order to verify that D2PTOC function do measure the
quantities as expected.
and compare it to the set value.
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Testing functionality by secondary injection
"Preparing the IED to verify
GUID-71346D64-9EF5-4E35-879B-C4C12945F330 v1
Section 10
SEMOD56287-67 v9
settings".
SEMOD56287-72 v10
101