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ATS021-ATS022 - Automatic transfer switching
ABB

ATS021-ATS022 - Automatic transfer switching

ABB

ATS021-ATS022 - Automatic transfer switching

Publicado: 13 de setembro de 2013 · Categoria: Cadernos técnicos

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...

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