Completing The Test; Distance Protection Zone, Quadrilateral Characteristic Zrwpdis; Function Revision History; Verifying The Signals And Settings For Solidly Earthed System - ABB Relion 670 Series Commissioning Manual

1MRK 506 377-UEN Rev. K
10.4.1.5

Completing the test

Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore
connections and settings to the original values, if changed for testing purposes.
10.4.2

Distance protection zone, quadrilateral characteristic ZRWPDIS

Prepare the IED for verification of settings outlined in Section
Values of the logical signals for ZRWPDIS are available on the local HMI under Main menu /Test /
Function status /Impedance protection /DistanceProt2Ph(21,Z<) /ZRWPDIS(21;Z<):1 .
The Signal Monitoring tool in PCM600 shows same signals that are available on the Local HMI.
10.4.2.1

Function revision history

Document
revision
A
B
C
D
E
F
G
H
10.4.2.2

Verifying the signals and settings for solidly earthed system

Testing the underimpedance starting element
Measure operating characteristics during constant current conditions. Keep the measured current as
close as possible to its rated value or lower. But make sure it is above the set minimum operating
current.
Ensure that the maximum continuous current to the IED does not exceed four times its rated value, if
the measurement of the operating characteristics runs under constant voltage conditions.
The test procedure has to take into consideration that the shaped load encroachment characteristic
is active. It is therefore necessary to check the setting. To verify the settings with the shaped load
encroachment characteristic, the test should be carried out according to figures mentioned below. In
cases where the load encroachment characteristic is not activated, tests according to the adjusted
figures should be carried out.
To verify the settings, the operating points according to the following fault types should be tested:
Railway application RER670
Commissioning manual
Product History
revision
2.2.1 Scale factor for setting parameter tVL2 is modified to 1000.
2.2.1 -
2.2.2 Default service value for outputs ZL1Ang, ZL2Ang, and ZL12Ang are displayed as
9999.999 in the monitoring tool when the measured current is below minimum current
set level. Setting parameters REOverRLStart and XEOverXLStart are not visible in PST
when system earthing is chosen as Compensated or High impedance.
2.2.3 Internal time delay of one fundamental power cycle for seal-in detection logic is added
for stable direction detection and trip indication even with low voltage conditions during
fault. Operating time improvement for faults occurrence around 90.0% to 95% of set
reach for all measuring zones. No maloperation from instantaneous measuring zones at
CB opening.
2.2.3 -
2.2.4 -
2.2.4 Added outputs TRUDISP, TRPHPRL2, and STIE after I0 expired signal combined into
STCND. Updated current reversal logic to avoid unintentional additional time delay of 1.5
fundamental power cycles for faults, without current reversal conditions. Updated end
zone timer logic to avoid false trip indications even when OpModeEndI0 is set to Off.
2.2.5 -
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Testing functionality by secondary injection
GUID-9C7EEB4D-95AE-479B-A835-108B817F803F v3
"Preparing the IED to verify
GUID-3888AA98-0413-4C9B-B942-F954FFB360B5 v3
GUID-8F0DDEC4-F830-4312-8BD1-F41E791A967E v1
GUID-1EC21698-A754-450C-A622-65032F277DD1 v2
Section 10
M13850-41 v5
settings".
73