13.07.2015 Views

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

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Technical GuideP92x/EN TD/H42Technical Data<strong>MiCOM</strong> <strong>P921</strong>/<strong>P922</strong>/<strong>P923</strong> Page 23/426. AUTOMATIC CONTROL6.1 Trip commandsAssignation of the following thresholds to trip output relays:−−−All models: tU>, tV0>, tV0>> ortV0>>>, equation A to equation H, tAux1 or tAux2,<strong>P922</strong> and <strong>P923</strong>: tAux3 to tAux5, tF1 to TF6, tV0der>, tV0der>> ortV0der>>>, tV1< or tV1>,<strong>P923</strong> only: df/dt1 to df/dt6, F1+df/dt1 to F6+df/dt6, DU/DT1 to DU/DT4.6.2 Latch outputsNumber of relay settable:6.3 Blocking logic<strong>P921</strong> <strong>P922</strong> <strong>P923</strong>4 8 8Possibility to block the following delayed thresholds:All models: tU>, tV0>, tV0>> ortV0>>>, tAux1 or tAux2<strong>P922</strong> and <strong>P923</strong>: tV0der>, tV0der>> or tV0der>>>, tV1< or tV1>, tF1 to TF6<strong>P923</strong> only: df/dt1 to df/dt, DU/DT 1 to DU/DT 46.4 Output relaysAlarm and trip threshold assignation to a logic output: 4 relays (<strong>P921</strong>), 8 relays (<strong>P922</strong>and <strong>P923</strong>).Assignable functions:−−−All models: TRIP.CB, CLOS.CB, V, V0>, V0>>, V0>>>, tV0>, tV0>>,tV0>>>, V, V0>, V0>>, V0>>>, tV0>, tV0>>, tV0>>>, CB FAIL, EQUA to EQU H.<strong>P922</strong> and <strong>P923</strong>: V0d>, V0d>>, tV0d>, tV0d>>, V2>, V2>>, tV2>, tV2>>,V1, V2>, V2>>, tV2>, tV2>>, V1

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