BS EN 61558-2-14:2013 PDF

Safety of transformers, reactors, power supply units and combination thereof - Particular requirements and tests for variable transformers and power supply units incorporating variable transformers

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BS EN 61558-2-14:2013

Safety of transformers, reactors, power supply units and combination thereof - Particular requirements and tests for variable transformers and power supply units incorporating variable transformers

Формат:: Электронный (PDF)
Дата публикации:: 31 марта 2013 г.
ICS:: 29.180
Технический комитет:: CENELEC
SKU:: BS EN 61558-2-14:2013

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Abstract

1 Scope

Replacement:

This part of IEC 61558 deals with safety of variable transformers for general applications and power supply units incorporating variable transformers for general applications.

Transformers incorporating electronic circuits are also covered by this standard.

NOTE 1 Safety includes electrical, thermal, mechanical and chemical aspects.

Unless otherwise specified, from here onward, the term transformer covers variable transformers for general applications and power supply units incorporating variable transformers for general applications. The rated supply voltage does not exceed 1 000 V a.c., and the rated supply frequency does not exceed 500 Hz. This standard is applicable to transformers and power supply units (linear) with internal operational frequencies not exceeding 500 Hz. This standard used in combination with Part 2-16 for switch mode power supply units ( SMPS ) is also applicable to power supplies with internal operational frequencies higher than 500 Hz. Where the two requirements are in conflict the most severe take precedence This part does not apply to transformers covered by IEC 60076‑11. This part is applicable to stationary or portable , single-phase or polyphase, air-cooled (natural or for...

BS EN 61558-2-14:2013 PDF

Abstract

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Abstract

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