Areva MiCOM P921 - Page 81

Technical Guide P92x/EN FT/E11
User Guide
MiCOM P921-P922-P923 Page 3/110
10.6 Frequency protection (MiCOM P922 and P923) 48
10.6.1 Description 48
10.6.2 HMI description 48
10.7 Rate of change of frequency (MiCOM P923 only) 50
10.7.1 HMI description 50
10.7.2 df/dt functionning 52
11. CONTROL FUNCTIONS 55
11.1 "TRIP OUTPUT RLY" Menu 55
11.1.1 MiCOM P921 - P922 and P923 : common information 56
11.1.2 Additional information for the MiCOM P922 – MiCOM P923 relay 57
11.1.3 Additional information for the MiCOM P923 relay 58
11.2 "LATCH OUTPUTS" Menu 58
11.2.1 Description 58
11.2.2 MiCOM P921-MiCOM P922 and P923 : common information 59
11.2.3 Additional information for the MiCOM P922 and P923 relay 60
11.2.4 Additional information for the MiCOM P923 61
11.2.5 Example of configuration 61
11.3 "BLOCKING LOG1 t" Menu 62
11.3.1 Description 62
11.3.2 MiCOM P921-P922 and P923 : common information 62
11.3.3 Additional information for the MiCOM P922 and P923 relay 63
11.3.4 Additional information for the MiCOM P923 64
11.3.5 Example of configuration 64
11.4 "BLOCKING LOG2 t" Menu 64
11.5 "AUX OUTPUT RLY" Menu 65
11.5.1 Description 65
11.5.2 MiCOM P921, MiCOM P922 and P923: common information 65
11.5.3 Additional information for the MiCOM P922 and P923 relay 67
11.5.4 Additional information for MiCOM P923 only 69
11.6 "LATCH OUTPUT RELAYS" Menu 70
11.6.1 Description 70
11.6.2 MiCOM P921, MiCOM P922 and P923 : common information 70
11.7 "AND LOGIC EQUATION" Menu 71
11.7.1 Description 71
11.7.2 MiCOM P921 and MiCOM P922 : common information 71
11.7.3 Additional information for the MiCOM P922 relay 73
11.7.4 MiCOM P923 74
11.7.5 Example of configuration 78