Alstom MiCOM P125 - Page 4

P12y/EN FT/D22 Technical Guide
User Guide
Page 2/108 MiCOM P125/P126/P127
4.5 Menu PROTECTION 37
4.5.1 Submenu [67/50/51] Directional Three Phase Overcurrent (P127) 38
4.5.2 Submenu [67N/50N/51N] Directional Earth Overcurrent 44
4.5.3 Submenu [50/51] Three Phase Overcurrent (P126) 51
4.5.4 Submenu [32N] Earth Wattmetric Protection 56
4.5.5 Submenu [46] Negative Phase Sequence Overcurrent (P126 & P127) 60
4.5.6 Submenu [49] Thermal Replica Overload (P126 & P127) 63
4.5.7 Submenu [37] Undercurrent Protection (P126 & P127) 65
4.5.8 Submenu [59] Overvoltage Protection (P127) 66
4.5.9 Submenu [27] Undervoltage Protection (P127) 67
4.5.10 Submenu [59N] Earth Overvoltage Protection 68
4.5.11 Submenu [79] AUTORECLOSE (P126 & P127) 68
4.6 Menu AUTOMAT. CTRL 71
4.6.1 Submenu Trip Commands 71
4.6.2 Submenu Latch Relays 75
4.6.3 Submenu Blocking Logic 76
4.6.4 Submenu Logic Select 79
4.6.5 Submenu Outputs Relays 79
4.6.6 Submenu Inputs 89
4.6.7 Submenu Inputs (P126 & P127) 90
4.6.8 Submenu Broken Conductor (P126 & P127) 91
4.6.9 Submenu Cold Load PU (P126 & P127) 92
4.6.10 Submenu Circuit Breaker Fail (P126 & P127) 93
4.6.11 Submenu Circuit Breaker Supervision (P126 & P127) 94
4.7 Menu RECORDS (P126 & P127) 102
4.7.1 Submenu CB Monitoring (P126 & P127) 102
4.7.2 Submenu Disturb Record 105
5. WIRING 106
5.1 Auxiliary Power Supply 106
5.2 Current Measurement Inputs 106
5.3 Logic Inputs 106
5.4 Output Relays 107
5.5 Communication 107
5.5.1 RS485 Rear Communication Port 107
5.5.2 RS232 Front Communication Port 107