Subaru impreza 2017, Owner'S Manual

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Technical data........................................................................... 100
Instantaneous residual overcurrent protection EFPIOC ................ 101
Identification.............................................................................. 101
Functionality.............................................................................. 101
Function block........................................................................... 101
Signals.......................................................................................101
Settings......................................................................................102
Monitored data...........................................................................102
Operation principle.................................................................... 102
Technical data........................................................................... 103
Directional residual overcurrent protection, four steps EF4PTOC .104
Identification.............................................................................. 104
Functionality.............................................................................. 104
Function block........................................................................... 105
Signals.......................................................................................105
Settings......................................................................................106
Monitored data...........................................................................112
Operation principle.................................................................... 113
Operating quantity within the function.................................. 113
Internal polarizing................................................................. 114
External polarizing for earth-fault function............................116
Directional detection for earth fault function......................... 116
Base quantities within the protection....................................116
Internal earth-fault protection structure................................ 117
Four residual overcurrent steps............................................117
Directional supervision element with integrated
directional comparison function............................................118
Second harmonic blocking element..................................... 121
Switch on to fault feature......................................................123
Technical data........................................................................... 125
Four step directional negative phase sequence overcurrent
protection NS4PTOC .....................................................................126
Identification.............................................................................. 126
Functionality.............................................................................. 126
Function block........................................................................... 127
Signals.......................................................................................127
Settings......................................................................................128
Monitored data...........................................................................133
Operation principle.................................................................... 133
Operating quantity within the function.................................. 133
Internal polarizing facility of the function.............................. 134
External polarizing for negative sequence function..............135
Internal negative sequence protection structure.................. 135
Four negative sequence overcurrent stages........................ 135
Table of contents
Breaker protection REQ650 2.2 IEC 3
Technical manual