Table of Contents
xi
7SS52 V4 Manual
C53000-G1176-C182-3
5.9 Protection General ............................................................................................................. 167
5.9.1 Current-Controlled TRIP Reset .......................................................................................... 167
5.9.2 Local Control of the Bay Unit..............................................................................................167
5.9.3 Operating States "Bay Out of Service", "Maintenance Mode"............................................ 168
5.9.4 Overcurrent-Controlled TRIP command............................................................................. 169
5.9.5 Feeder-Selective Trip Release........................................................................................... 170
5.9.6 Testing the Tripping Circuits and the Circuit Breakers ....................................................... 170
5.9.7 Busbar Tripping via an External Signal .............................................................................. 171
5.9.8 Setting Notes...................................................................................................................... 172
5.9.9 Settings for the Central Unit ............................................................................................... 174
5.9.10 List of Information from the Central Unit............................................................................. 175
5.9.11 Settings for the Bay Unit..................................................................................................... 175
5.9.12 List of Information from the Bay Unit.................................................................................. 176
5.10 Bay Unit.............................................................................................................................. 177
5.10.1 Functional Description........................................................................................................ 177
5.10.2 Setting Notes...................................................................................................................... 177
5.11 Integrated Operation of the Bay Unit.................................................................................. 178
5.11.1 Functional Description........................................................................................................ 178
5.11.2 Setting Notes...................................................................................................................... 178
5.11.3 Settings of the Bay Unit...................................................................................................... 179
5.12 PC Port of the Bay Unit ...................................................................................................... 180
5.12.1 Functional Description........................................................................................................ 180
5.12.2 Setting Notes...................................................................................................................... 180
5.12.3 Settings of the Bay Unit...................................................................................................... 181
5.13 Fault Recording in the Bay Unit (”Local Fault Recording”)................................................. 182
5.13.1 Functional Description........................................................................................................ 182
5.13.2 Setting Notes...................................................................................................................... 182
5.13.3 Settings of the Bay Unit...................................................................................................... 183
5.14 Scope of Protective Functions in the Bay Unit ................................................................... 184
5.14.1 Functional Description........................................................................................................ 184
5.14.2 Setting Notes...................................................................................................................... 184
5.14.3 Settings of the Central Unit................................................................................................. 185
5.14.4 Settings of the Bay Unit...................................................................................................... 185
5.15 Power System Data of the Bay Unit ................................................................................... 186
5.15.1 Functional Description........................................................................................................ 186
5.15.2 Setting Notes...................................................................................................................... 186
5.15.3 Settings of the Central Unit................................................................................................. 187
5.15.4 Settings of the Bay Unit...................................................................................................... 187
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