Activating Zcvpsof Externally; Initiating Zcvpsof Automatically And Setting Mode To Impedance; Initiating Zcvpsof Automatically And Setting Mode To Uilevel; Completing The Test - ABB RELION REG670 Commissioning Manual

1MRK 502 067-UEN B
ZCVPSOF is activated either by the external input BC, or by the internal DLD. FUFSPVC is done
with a pre-fault condition where the phase voltages and currents are at zero. A reverse three-
phase fault with zero impedance and a three-phase fault with an impedance corresponding to
the whole line is applied. This fault shall cause an instantaneous trip and result in a TRIP
indication.
12.4.12.1

Activating ZCVPSOF externally

1. Activate the switch onto fault BC input.
During normal operating conditions, the BC input is de-energized.
2. Set
3. Apply a three-phase fault condition corresponding to a fault at approximately 45% of the
line or with impedance at 50% of the used zone setting and current greater than 30% of
IBase .
The ZACC input is activated.
4. Check that the TRIP output, external signals and indication are obtained.
12.4.12.2

Initiating ZCVPSOF automatically and setting mode to impedance

1. Deactivate the switch onto fault BC input.
2. Set the current and voltage inputs to lower than
3. Set
4. Apply a three-phase fault condition corresponding to a fault at approximately 45% of the
line or with impedance at 50% of the used zone setting and current greater than 30% of
IBase .Apply a two-phase fault condition corresponding to a fault at approximately 45%
of the line or with impedance at 50% of the used zone setting and current greater than
30% of
The ZACC input is activated.
5. Check that the correct TRIP output, external signals and indication are obtained.
12.4.12.3

Initiating ZCVPSOF automatically and setting mode to UILevel

1. Deactivate the switch onto fault BC input.
2. Set the current and voltage inputs to lower than
3. Set
4. Apply the three-phase currents in such a way that the magnitudes are greater than
and the three-phase voltages in such a way that the magnitudes and lower than
least for the duration of the
5. Check that the correct TRIP output, external signals and indication are obtained.
12.4.12.4

Completing the test

Continue to test another function or end the test by changing the
Restore connections and settings to their original values, if they were changed for testing
purposes.
12.4.13

Loss of excitation LEXPDIS

Prepare the IED for verification of settings outlined in section
"Requirements" and section "Preparing for test" in this chapter.
Commissioning manual
AutoInitMode to DLD disabled and Mode to Impedance .
AutoInitMode to Voltage and Mode to Impedance .
IBase .
AutoInitMode to Voltage and Mode to UILevel .
IPh< and UPh< for at least one second.
IPh< and UPh< for at least one second.
tDuration setting.
Testing functionality by secondary injection
GUID-E83E1B3D-026C-48DB-BB9B-43C6597DE5DB v4
UPh< at
TestMode setting to Off .
Section 12
M13850-14 v7
M13850-27 v7
IPh<
M13850-41 v5
SEMOD158873-3 v3
147