$ABB\'s product guide to small transformers$

ABB\'s product guide to small transformers

Published: 23 May 2013 Category: Product Catalogues

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ABB\'s product guide to small transformers

Published: 23 May 2013 · Category: Product Catalogues

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Application Manual Power Supply Units  • Danger to life by electric voltage! Power supplies must only be installed and taken into operation by adequately qualified personnel and under consideration of the local regulations (e.g. VDE, etc.). • For further information and data, please refer to the product catalogs and data sheets or contact your local ABB office or visit our website under www.abb.com. • No responsibility is taken for the correctness of technical information. • Subject to technical changes without prior notice. • The German original text is authoritative in case of doubt. Without the express written permission of ABB Stotz-Kontakt GmbH, no part of this manual may be reproduced (by printing, photocopying, microfilming or any other technique) or copied, distributed or processed using electronic systems. © ABB Stotz-Kontakt GmbH, Heidelberg, 09/2006 Contents 1. Introduction ............................................................................................................ 3 2. Basic Principles of Power Supplies for Industrial Use ......................................... 4 2.1 Electrical design ............................................................................................. 4 2.2. Power supply types and their design ........................................................... 5 2.2.1 Unregulated power supplies ..................................................................... 6 2.2.2 Linearly regulated power...

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