Alstom MiCOM P54 Series - Page 176

P54x/EN OP/La4 Operation
(OP) 5-2 MiCOM P543, P544, P545 & P546
OP
1.13 Quadrilateral phase resistive reaches (Distance option only) 39
1.14 Quadrilateral ground resistive reaches (Distance option only) 39
1.15 Advanced distance elements zone settings (Distance option only) 39
1.15.1 Phase fault zone settings (Distance option only) 40
1.15.2 Ground fault zone settings (Distance option only) 40
1.15.3 Distance zone sensitivities (Distance option only) 41
1.16 Conventional voltage transformer and capacitor VT applications (Distance option
only) 42
1.16.1 CVTs with passive suppression of ferroresonance (Distance option only) 42
1.16.2 CVTs with active suppression of ferroresonance (Distance option only) 42
1.17 Load blinding (load avoidance) (Distance option only) 43
1.18 Distance elements basic scheme setting (Distance option only) 43
1.19 Power swing detection, alarming and blocking (Distance option only) 45
1.19.1 Detection of power swings (Distance option only) 45
1.19.2 Actions upon power swing detection (Distance option only) 46
1.19.3 Detection of a fault during a power swing (Distance option only) 46
1.19.4 Actions upon detection of a fault during a power swing (Distance option only) 46
1.19.5 Power swing settings (Distance option only) 46
1.20 Out of step detection and tripping (Distance option only) 47
1.20.1 Out of step detection (Distance option only) 47
1.20.1.1 Characteristic (Distance option only) 48
1.20.1.2 Operating principle (Distance option only) 49
1.21 Switch on to fault (SOTF) and trip on reclose (TOR) (Distance option only) 50
1.21.1 Switch onto fault mode 52
1.21.2 Trip on reclose mode (Distance option only) 53
1.21.3 Polarization during circuit energization (Distance option only) 53
1.22 Directional function - setup of DEF and directional comparison elements (Distance
option only) 53
1.22.1 DEF zero sequence polarization with “virtual current polarizing” (Distance option only) 54
1.22.2 DEF negative sequence polarization (Distance option only) 54
1.22.3 Delta directional comparison principle and setup (Distance option only) 55
1.22.4 Delta directional decision (Distance option only) 57
1.23 Channel aided schemes (Distance option only) 58
1.23.1 Distance scheme PUR - permissive underreach transfer trip (Distance option only) 61
1.23.2 Distance scheme POR - permissive overreach transfer trip (Distance option only) 62
1.23.3 Permissive overreach trip reinforcement (Distance option only) 65
1.23.4 Permissive overreach scheme weak infeed features (Distance option only) 66
1.23.5 Permissive scheme unblocking logic - loss of guard (Distance option only) 66
1.23.6 Distance scheme BLOCKING (Distance option only) 67
1.23.7 Distance schemes current reversal guard logic (Distance option only) 68
1.23.8 Permissive overreach schemes current reversal guard (Distance option only) 69
1.23.9 Blocking scheme 1 and 2 current reversal guard (Distance option only) 69