MiCOM P921/P922/P923 - Schneider - error

P92x/EN TD/H42Page 18/42Technical GuideTechnical DataMiCOM P921/P922/P9235.3.2 Time delay settingsEach voltage element (V0 or V0der) is associated to an independent time delay.Each measuring element time delay can be blocked by the operation of a userdefined logic (optical isolated) input (see “Blocking logic1” or “Blocking logic2”functions).ElementTime delay type1 st stage Definite Time (DT) or IDMT2 nd stage DT3 rd stage DT5.3.3 Inverse Time Delay CharacteristicThe inverse characteristic is defined by the following formula:where:⎛ ⎞⎜ ⎟⎜ TMS ⎟t = ⎜ ⎟⎜ V0⎟− 1⎝ VS⎠tTMSV 0Vs= operating time in seconds= time Multiplier Setting= applied input voltage= relay setting voltageSetting Range Step SizeTMS 0,5 - 100 0.5Setting Range Step SizeTRESET (only DT) 0 – 100s 0.01s5.3.4 Definite time delay characteristicsSetting Range Step SizetV 0 > 0 – 599s 0.01stV 0 >> 0 – 599s 0.01stV 0 >>> 0 – 599s 0.01stV0der>* 0 – 599s 0.01stV0der>>* 0 – 599s 0.01stV0der>>>* 0 – 599s 0.01s* P922 & P923