ABB REG650 Technical Manual page 17

Technical Manual
Measurement principle...............................................................300
Time delay..................................................................................301
Design........................................................................................302
Technical data.................................................................................302
Section 11 Secondary system supervision..........................................303
Fuse failure supervision SDDRFUF......................................................303
Identification....................................................................................303
Functionality....................................................................................303
Function block.................................................................................304
Signals.............................................................................................304
Settings............................................................................................305
Monitored data.................................................................................306
Operation principle..........................................................................306
Zero and negative sequence detection......................................306
Delta current and delta voltage detection...................................307
Dead line detection.....................................................................310
Main logic...................................................................................310
Technical data.................................................................................314
Breaker close/trip circuit monitoring TCSSCBR...................................314
Identification....................................................................................314
Functionality....................................................................................314
Function block.................................................................................315
Signals.............................................................................................315
Settings............................................................................................315
Operation principle..........................................................................315
Technical data.................................................................................316
Section 12 Control...............................................................................317
Synchronism check, energizing check, and synchronizing
SESRSYN (25).....................................................................................317
Identification....................................................................................317
Functionality....................................................................................317
Function block.................................................................................318
Signals.............................................................................................318
Settings............................................................................................320
Monitored data.................................................................................322
Operation principle..........................................................................323
Basic functionality.......................................................................323
Synchronism check....................................................................323
Synchronizing.............................................................................325
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