Proteção direcional e seletividade por zona direcional

ABB

Proteção direcional e seletividade por zona direcional

Publicado: 12 de agosto de 2013 · Categoria: White Papers

Deste documento

Directional protection and directional zone selectivity 1SDC007401G0201 Directional protection and directional zone selectivity Index 1. Generalities 1.1 Directional Protection: different trip times according to the direction of the fault............................................................................................. 2 1.2 Directional Zone Selectivity: the combination of Zone Selectivity and Directional Protection........................................................................................... 3 2. Application Description 2.1 Theoretical introduction....................................................................................... 4 2.2 An outline of D..................................................................................................... 4 2.3 An outline of SdZ D............................................................................................ 5 2.4 D application example: Two generators linked at the same busbar...................... 6 2.5 SdZ application example 1: MV/LV transformer substation with bus tie................ 8 2.6 SdZ application example 2: Presence of low voltage generators........................ 10 3. References 3.1 Reference for D................................................................................................. 12 3.2 References for SdZ............................................................................................ 14 3.2.1 Naval electrical plant (civil)...