ABB Relion 670 Series Commissioning Manual page 11

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

Advertisement

1MRK 505 372-UUS Rev. K
10.4.11.2
10.5
Voltage protection......................................................................................................................99
10.5.1
Two step undervoltage protection UV2PTUV (27).................................................................. 99
10.5.1.1
10.5.1.2
10.5.2
Two step overvoltage protection OV2PTOV (59).................................................................. 101
10.5.2.1
10.5.2.2
10.5.2.3
10.5.3
Two step residual overvoltage protection ROV2PTOV (59N)............................................... 101
10.5.3.1
10.5.3.2
10.5.3.3
10.5.4
Voltage differential protection VDCPTOV (60)...................................................................... 103
10.5.4.1
10.5.4.2
10.5.4.3
10.5.4.4
10.5.4.5
10.5.4.6
10.5.5
Loss of voltage check LOVPTUV (27)...................................................................................107
10.5.5.1
10.5.5.2
10.6
Frequency protection...............................................................................................................108
10.6.1
Underfrequency protection SAPTUF (81)............................................................................. 108
10.6.1.1
10.6.1.2
10.6.2
Overfrequency protection SAPTOF (81)............................................................................... 109
10.6.2.1
10.6.2.2
10.6.3
Rate-of-change frequency protection SAPFRC (81)............................................................. 110
10.6.3.1
10.6.3.2
10.7
Multipurpose protection............................................................................................................111
10.7.1
Function revision history........................................................................................................ 111
10.7.2
General current and voltage protection CVGAPC................................................................. 111
10.7.2.1
10.7.2.2
10.7.2.3
10.7.2.4
10.7.2.5
10.7.2.6
10.8
Secondary system supervision................................................................................................ 114
Busbar protection REB670
Commissioning manual
Completing the test............................................................................................................ 99
Verifying the settings.......................................................................................................... 99
Completing the test.......................................................................................................... 100
Verifying the settings........................................................................................................ 101
Extended testing...............................................................................................................101
Completing the test.......................................................................................................... 101
Function revision history...................................................................................................102
Verifying the settings........................................................................................................ 102
Completing the test.......................................................................................................... 103
Function revision history...................................................................................................103
Check of undervoltage levels........................................................................................... 103
Check of voltage differential trip and alarm levels............................................................105
Check of trip and trip reset timers.................................................................................... 106
Final adjustment of compensation for VT ratio differences ............................................. 107
Completing the test.......................................................................................................... 107
Measuring the trip limit of set values................................................................................ 107
Completing the test.......................................................................................................... 108
Verifying the settings........................................................................................................ 108
Completing the test.......................................................................................................... 109
Verifying the settings........................................................................................................ 109
Completing the test...........................................................................................................110
Verifying the settings........................................................................................................ 110
Completing the test...........................................................................................................110
Built-in overcurrent feature (non-directional).................................................................... 111
Overcurrent feature with current restraint.........................................................................112
Overcurrent feature with voltage restraint........................................................................ 112
Overcurrent feature with directionality.............................................................................. 113
Over/Undervoltage feature............................................................................................... 113
Completing the test...........................................................................................................113
© 2017 - 2022 Hitachi Energy. All rights reserved
Table of contents
5

Advertisement

Table of Contents
loading

This manual is also suitable for:

Relion reb670

Table of Contents