ABB RED670 User Manual

13. Repeat the previous two steps using OPENCMD instead of CLOSECMD.
Asymmetry current detection with CB monitoring: Set all three currents to
110% of Current Release level. Activate CLOSECMD.
NO TRIP signal should appear due to symmetrical condition.
14.
Deactivate the CLOSECMD. Decrease one current with 120% of the current
unsymmetrical level compared to the other two phases. Activate
CLOSECMD and measure the operating time of the CCPDSC protection.
Use the TRIP signal from the configured binary output to stop the timer.
15. Deactivate the CLOSECMD. Decrease one current with 80% of the current
unsymmetrical level compared to the other two phases. Activate
CLOSECMD.
NO TRIP signal should appear.
11.5.9.2 Completing the test
SEMOD55625-106 v4
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.
11.5.10 Directional underpower protection GUPPDUP
SEMOD175027-3 v5
Prepare the IED for verification of settings outlined in Section
"Preparing the IED
to verify settings".
11.5.10.1 Verifying the settings
SEMOD175027-7 v7
The underpower protection shall be set to values according to the real set values to
be used.
The test is made by means of injection of voltage and current where the amplitude
of both current and voltage and the phase angle between the voltage and current
can be controlled. During the test, the analog outputs of active and reactive power
shall be monitored.
1.
Connect the test set for injection of voltage and current corresponding to the
mode to be used in the application. If a three-phase test set is available this
could be used for all the modes. If a single-phase current/voltage test set is
available the test set should be connected to a selected input for one-phase
current and voltage.
1MRK 505 378-UEN A Section 11
Testing functionality by secondary injection
Line differential protection RED670 2.2 IEC 189
Commissioning manual

ABB RED670 Specifications

General

Rated Frequency	50/60 Hz
Product Type	Protection Relay
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, IEC 60870-5-103, DNP3
Operating Temperature Range	-25°C to +55°C
Protection Functions	Differential protection, distance protection, overcurrent protection
Outputs	Binary outputs
Enclosure	IP54
Mounting	19" rack mounting