ABB Relion 670 series, Technical Reference Manual

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Setting parameters.....................................................................846
Technical data............................................................................846
Zero sequence overvoltage protection LCZSPTOV (59N)..............846
Introduction.................................................................................846
Principle of operation..................................................................847
Function block............................................................................847
Input and output signals.............................................................847
Setting parameters.....................................................................848
Technical data............................................................................848
Negative sequence overcurrent protection LCNSPTOC (46)..........848
Introduction.................................................................................848
Principle of operation..................................................................849
Function block............................................................................849
Input and output signals.............................................................849
Setting parameters.....................................................................850
Technical data............................................................................850
Zero sequence overcurrent protection LCZSPTOC (51N)..............850
Introduction.................................................................................851
Principle of operation..................................................................851
Function block............................................................................851
Input and output signals.............................................................851
Setting parameters.....................................................................852
Technical data............................................................................852
Three phase overcurrent LCP3PTOC (51)......................................852
Introduction.................................................................................852
Principle of operation..................................................................853
Function block............................................................................853
Input and output signals.............................................................853
Setting parameters.....................................................................854
Technical data............................................................................854
Three phase undercurrent LCP3PTUC (37)....................................855
Introduction.................................................................................855
Principle of operation..................................................................855
Function block............................................................................855
Input and output signals.............................................................856
Setting parameters.....................................................................856
Technical data............................................................................857
Section 14 Logic..................................................................................859
Tripping logic SMPPTRC (94)..............................................................859
Table of contents
23
Technical reference manual