CYG PRS-7367 - Page 12

Table of contents
4 PRS-7367
3.9 Phase discontinuity protection 46D ............................................................. 77
3.9.1 46D Overview ..................................................................................................................... 77
3.9.2 46D Protection Principle .................................................................................................... 78
3.9.3 46D Application Scope ....................................................................................................... 79
3.9.4 46D Settings ....................................................................................................................... 80
3.10 Negative sequence current protection 46N ............................................... 80
3.10.1 46N Overview................................................................................................................... 80
3.10.2 46N Protection Principle .................................................................................................. 81
3.10.3 46N Application Scope ..................................................................................................... 83
3.10.4 46N Settings..................................................................................................................... 83
3.11 Three-phase overvoltage protection 59 ..................................................... 83
3.11.1 59 Overview ..................................................................................................................... 83
3.11.2 59 Protection Principle ..................................................................................................... 85
3.11.3 59 Application Scope ........................................................................................................ 86
3.11.4 59 Settings ....................................................................................................................... 86
3.12 Positive sequence overvoltage protection 59P ......................................... 87
3.12.1 59P Overview ................................................................................................................... 87
3.12.2 59P Protection Principle ................................................................................................... 88
3.12.3 59P Application Scope ..................................................................................................... 89
3.12.4 59P Settings ..................................................................................................................... 89
3.13 Residual overvoltage protection 59G ......................................................... 89
3.13.1 59G Overview .................................................................................................................. 89
3.13.2 59G Protection Principle .................................................................................................. 90
3.13.3 59G Application Scope..................................................................................................... 91
3.13.4 59G Settings .................................................................................................................... 92
3.14 Negative sequence overvoltage protection 59N ....................................... 92
3.14.1 59N Overview................................................................................................................... 92
3.14.2 59N Protection Principle .................................................................................................. 93
3.14.3 59N Application Scope ..................................................................................................... 94
3.14.4 59N Settings..................................................................................................................... 94