Hitachi Relion REB670 Commissioning Manual page 11

1MRK 505 372-UEN Rev. K
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 ................................................................................... 106
10.5.5.1
10.5.5.2
10.6 Frequency protection.........................................................................................................107
10.6.1 Underfrequency protection SAPTUF ..............................................................................107
10.6.1.1
10.6.1.2
10.6.2 Overfrequency protection SAPTOF ................................................................................108
10.6.2.1
10.6.2.2
10.6.3 Rate-of-change frequency protection SAPFRC ............................................................. 108
10.6.3.1
10.6.3.2
10.7 Multipurpose protection..................................................................................................... 109
10.7.1 Function revision history..................................................................................................109
10.7.2 General current and voltage protection CVGAPC........................................................... 110
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..........................................................................................112
10.8.1 Fuse failure supervision FUFSPVC.................................................................................112
10.8.1.1
10.8.1.2
10.8.1.3
10.8.1.4
10.8.1.5
10.8.1.6
10.8.2 Fuse failure supervision VDSPVC...................................................................................115
10.8.2.1
10.8.3 Voltage based delta supervision DELVSPVC..................................................................116
10.8.3.1
10.8.3.2
10.8.4 Current based delta supervision DELISPVC................................................................... 117
10.8.4.1
10.8.4.2
10.8.5 Delta supervision of real input DELSPVC....................................................................... 117
10.8.5.1
10.8.5.2
Busbar protection REB670
Commissioning manual
Check of undervoltage levels..................................................................................... 102
Check of voltage differential trip and alarm levels......................................................104
Check of trip and trip reset timers.............................................................................. 105
Final adjustment of compensation for VT ratio differences ....................................... 106
Completing the test.................................................................................................... 106
Measuring the operate limit of set values...................................................................106
Completing the test.................................................................................................... 107
Verifying the settings.................................................................................................. 107
Completing the test.................................................................................................... 108
Verifying the settings.................................................................................................. 108
Completing the test.................................................................................................... 108
Verifying the settings.................................................................................................. 109
Completing the test.................................................................................................... 109
Built-in overcurrent feature (non-directional).............................................................. 110
Overcurrent feature with current restraint...................................................................110
Overcurrent feature with voltage restraint...................................................................111
Overcurrent feature with directionality........................................................................ 111
Over/Undervoltage feature......................................................................................... 111
Completing the test.................................................................................................... 112
Checking that the binary inputs and outputs operate as expected ............................112
Measuring the operate value for the negative sequence function .............................113
Measuring the operate value for the zero-sequence function ................................... 113
Measuring the operate value for the dead line detection function..............................114
Checking the operation of the du/dt and di/dt based function ................................... 114
Completing the test.................................................................................................... 115
Completing the test.................................................................................................... 116
Verifying the signals and settings............................................................................... 116
Completing the test.................................................................................................... 117
Verifying the signals and settings............................................................................... 117
Completing the test.................................................................................................... 117
Verifying the signals and settings............................................................................... 118
Completing the test.................................................................................................... 118
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