Measuring The Operating Time Of Distance Protection Zones; Completing The Test; High Speed Distance For Series Compensated Line Zones, Quadrilateral And Mho Characteristic Zmfcpdis (21); Function Revision History - ABB Relion 670 Series Commissioning Manual

Transformer protection
Hide thumbs Also See for Relion 670 Series:
Table of Contents

Advertisement

1MRK 504 165-UUS Rev. J
11.4.7.4

Measuring the operating time of distance protection zones

Procedure:
1.
Subject the IED to healthy normal load conditions for at least two seconds.
2.
Apply the fault condition to find the operating time for the phase-to-phase fault according to test
point 12 for zone 1. Compare the result of the measurement to the setting tPPZ1.
3.
Repeat steps
12. Compare the result of the measurement to the setting t1PG.
4.
Repeat steps
The zones that are not tested have to be blocked and the zone that is tested has to be released.
11.4.7.5

Completing the test

Continue to test another function or end the test by changing the TESTMODE setting to Disabled.
Restore connections and settings to the original values, if changed for testing purposes.
11.4.8
High Speed distance for series compensated line zones,
quadrilateral and mho characteristic ZMFCPDIS (21)
Prepare the IED for verification of settings outlined in Section
11.4.8.1

Function revision history

Document
revision
A
B
C
D
E
F
Table continues on next page
Transformer protection RET670
Commissioning manual
Test points 8, 9, 10 and 11 are intended to test the directional lines of impedance
protection. Since directionality is a common function for all seven measuring
zones, it is only necessary to test 8, 9, 10 and 11 once, in the forward direction in
order to test the accuracy of directionality (directional angles). Directional
functionality testing (trip inside, no-trip outside) should always be made for all
impedance zones set with directionality (forward or reverse).
1
to
2
to find the operating time for the phase-to-ground fault according to test point
1
to
2
to find the operating time for all other used measuring zones.
Product
History
revision
2.2.1
Impedance measurement and supervision added (ZMMXU).
2.2.1
-
2.2.2
-
2.2.3
Transient directional (TD) element added, with associated input and outputs.
2.2.3
-
2.2.4
-
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Testing functionality by secondary injection
GUID-BB93C603-F43E-40CB-8EFA-3B0F280C011D v6
GUID-60C5389E-B021-45BB-8CB3-E21348CF50EF v2
GUID-EE954483-7157-4EA2-A5DD-537DF6864BC2 v5
"Preparing the IED to verify
GUID-96705EE1-C538-4737-AAE9-141287810AAE v3
Section 11
settings".
127

Advertisement

Table of Contents
loading

This manual is also suitable for:

Ret670

Table of Contents