MiCOM P921/P922/P923 - Schneider - error

Technical GuideP92x/EN FT/H42User GuideMiCOM P921/P922/P923 Page 67/702.8.4 "TIME PEAK VALUE" SubmenuThis submenu makes it possible to set the period of time which will be used tocalculate average and maximum values.To gain access to the Time peak value submenu from the “Records” menu, press followed by or until the desired submenu header is displayed.RECORDSTIME PEAK VALUEHeading of the Records menu. To gain access to the menu fromthe default display press followed by or until the menu isdisplayed.Heading of the “TIME PEAK VALUE” submenuTIME WINDOW5 minDescription: setting of the period of time used to calculate theaverage and maximum values of voltages.Range: 5 / 10 / 15 / 30 / 60 min2.8.5 "FREQ DISTURB REC" Submenu (only MiCOM P923)Frequency disturbance records are stored in the non-volatile memory. One recordcould be stored, its duration is of 20 seconds; the pre-trigger and the post-triggertimes are fixed at 5 and 15 seconds repectively.The acquisition frequency of the frequency disturbance record is 1 sample per cycle ofthe power system frequency.Frequency disturbance records can be extracted either automatically (rear port only)or manually (front or rear port).The recording of data can be triggered by frequency element, any instantaneous ortime delayed information, activation of a logic input or a logic equation.To gain access to the Circuit Breaker monitoring submenu from the “Records”menu, press followed by or until the desired submenu header is displayed.RECORDSFREQ DISTURB RECHeading of the Records menu. To gain access to the menu fromthe default display press followed by or until the menu isdisplayed.Heading of the “Frequency Disturbance Records” menuFREQ DISTURB RECTRIG = ON TRIPDescription: configuration of the frrequency disturbancerecords trigger.Range: TRIP/FREQ/EQU.