MiCOM P921/P922/P923 - Schneider - error

P92x/EN TD/H42Page 2/42Technical GuideTechnical DataMiCOM P921/P922/P9235.4 Negative sequence overvoltage (ANSI code 47) only P922 & P923 195.4.1 Threshold settings (secondary values) 195.4.2 Time delay settings 195.4.3 Inverse Time Delay Characteristic 195.4.4 Definite time delay characteristics 205.4.5 Hysteresis 205.5 Positive sequence undervoltage (ANSI code 27D) only P922 & P923 205.5.1 Threshold settings (secondary values) 205.5.2 Time delay settings 205.5.3 Inverse Time Delay Characteristic 215.5.4 Definite time delay characteristics 215.5.5 Hysteresis 215.6 Under/overfrequency (ANSI codes 81U/81O) only P922 & P923 215.7 Rate of change of frequency (ANSI codes 81R) only P923 225.7.1 Threshold settings 225.7.2 Integration time 225.7.3 Validation number of protection 225.7.4 Under voltage blocking 225.7.5 Frequency Change of Rate of Frequency (P923 only) 225.7.6 Delta U / Delta T 226. AUTOMATIC CONTROL 236.1 Trip commands 236.2 Latch outputs 236.3 Blocking logic 236.4 Output relays 236.5 Frequency Change of Rate of Frequency (P923 only) 236.6 Logic Equation 246.6.1 Timer Setting Ranges 246.6.2 Available logical gates 256.6.3 Available signals 256.7 Inputs assignation 266.8 VT Supervision Setting Range (P922 and P923) 266.9 CB Supervision Setting Range (P922 and P923) 277. MEASUREMENT AND RECORDS 287.1 Settings 287.2 Event Records 287.3 Fault Records 28