Aktívna norma | Vydaná: 19.10.2022

IEC 61558-2-2-ed.3.0-EXV

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-2: Particular requirements and tests for control transformers and power supply units incorporating control transformers

Dostupné jazyky: Anglicky

Dostupné prevedenie: Elektronické PDF, Tlačené, CD-ROM

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Podrobné informácie

Označenie: IEC 61558-2-2-ed.3.0-EXV

Dátum vydania: 19.10.2022

Stránok: 210

Krajina: Medzinárodná technická norma

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Anotácia

IEC 61558-2-2:2022 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61558-2-2:2022 EXV includes the content of the references made to IEC 61558-1:2017. IEC 61558-2-2:2022 deals with the safety of control transformers and power supply units incorporating control transformers. Transformers incorporating electronic circuits are also covered by this document. This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - adjustment of structure and references in accordance with IEC 61558-1:2017; - new general symbol for control transformers; - new symbol for power supply unit with linearly regulated output voltage. It has the status of a group safety publication in accordance with IEC Guide 104.

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