ATS021 - ATS-22: Chave de transferência automática

ABB

ATS021 - ATS-22: Chave de transferência automática

Publicado: 9 de agosto de 2013 · Categoria: White Papers

Deste documento

White Paper - July 2012 ATS021-ATS022 Automatic transfer switching ATS021-ATS022 Automatic transfer switching Index 1. Introduction................................................................................2 2. Description of ATS......................................................................3 Switching logics.......................................................................6 Transformer for the main line and generator for the emergency line.. ....................................................................7 Transformer for the main line and transformer for the emergency line.. ..................................................................12 Use of a bus-tie for the exclusion of non-priority loads (with ATS022).....................................................................16 Use of a bus-tie to manage two independent supply lines (with ATS022). . ............................................................20 3. Field of application ...................................................................25 4. Application example..................................................................27 ABB | ATS021-ATS022 Automatic transfer switching 1 1. Introduction Over the past few years, service continuity in low voltage electrical installations has played an increasingly leading role. In actual fact, this requirement is a fundamental characteristic if economically and functionally efficient installations are to be created. A system able to switch the...