ABB REB650 - Document Revision History

Two step overvoltage protection OV2PTOV (59).................................129
Identification....................................................................................129
Functionality....................................................................................129
Function block.................................................................................130
Signals.............................................................................................130
Settings............................................................................................131
Monitored data.................................................................................132
Operation principle..........................................................................132
Measurement principle...............................................................133
Time delay..................................................................................133
Blocking......................................................................................135
Design........................................................................................135
Technical data.................................................................................137
Two step residual overvoltage protection ROV2PTOV (59N)...............137
Identification....................................................................................137
Functionality....................................................................................137
Function block.................................................................................138
Signals.............................................................................................138
Settings............................................................................................139
Monitored data.................................................................................139
Operation principle..........................................................................139
Measurement principle...............................................................140
Time delay..................................................................................140
Blocking......................................................................................141
Design........................................................................................141
Technical data.................................................................................143
Section 9 Secondary system supervision..........................................145
Fuse failure supervision SDDRFUF......................................................145
Identification....................................................................................145
Functionality....................................................................................145
Function block.................................................................................146
Signals.............................................................................................146
Settings............................................................................................147
Monitored data.................................................................................148
Operation principle..........................................................................148
Zero and negative sequence detection......................................148
Delta current and delta voltage detection...................................149
Dead line detection.....................................................................152
Main logic...................................................................................152
Table of contents
5
Technical Manual