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AS/NZS 61558.2.17:2001

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Safety of power transformers, power supply units and similar Particular requirements for transformers for switch mode power supplies (IEC 61558-2-17:1997, MOD)
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-26-2021

Language(s)

English

Published date

11-12-2001

Preview

1 - AS/NZS 61558.2.17:2001 SAFETY OF POWER TRANSFORMERS, POWER SUPPLY UNITS AND SIMILAR - PARTICULAR REQUIREMENTS FOR .....
4 - CONTENTS
5 - PREFACE
7 - 1 Scope
7 - 2 Normative references
8 - 3 Definitions
8 - 4 General requirements
8 - 5 General notes on tests
9 - 6 Ratings
9 - 7 Classification
10 - 8 Marking and other information
10 - 9 Protection against accessibility to hazardous live parts
11 - 10 Change of input voltage setting
11 - 11 Output voltage and output current under load
11 - 12 No-load output voltage
11 - 13 Short-circuit voltage
11 - 14 Heating
12 - 15 Short-circuit and overload protection
12 - 16 Mechanical strength
12 - 17 Protection against harmful ingress of dust, solid objects and moisture
12 - 18 Insulation resistance and electric strength
12 - 19 Construction
13 - 20 Components
14 - 21 Internal wiring
14 - 22 Supply connection and other external flexible cable or cords
14 - 23 Terminals for external conductors
14 - 24 Provision for protective earthing
14 - 25 Screws and connections
14 - 26 Creepage distances, clearances and distances through insulation
15 - 27 Resistance to heat, abnormal heat, fire and tracking
15 - 28 Resistance to rusting
16 - Annexes
16 - Annex C - Material group II
16 - Annex D - Material group I
17 - Annex ZZ - Variations to IEC 61558-2-17:1997 for application in Australia and New Zealand

Specifies general safety requirements for approval and test purposes for transformers for switch mode power supplies. This Standard is an adoption with national modifications and contains the full text of IEC 61558-2-17:1997.

Replacement:This part 2 of IEC 61558 AS/NZS 61558 applies to associated power transformers for switch mode power supplies, single-phase or polyphase, air-cooled: separating transformers; isolating transformers; safety isolating transformers,having a rated supply voltage not exceeding 1000 V a.c. and a rated frequency of 500 Hz to 1 MHz, the rated output not exceeding: 10 kVA for single-phase transformers; 16 kVA for polyphase transformers.NOTE 1 For higher frequencies, this standard may be used as a guide.The no-load output voltage or the rated output voltage do not exceed: 1000 V a.c. or 1 415 V ripple-free d.c for separating transformers; 500 V a.c. or 708 V ripple-free d.c for isolating transformers.NOTE 2 For isolating transformers, the rated output voltage may be up to 1000 V a.c. or 1415 V ripple-free d.c. in accordance with the national wiring rules or designed for special purposes. 50 V a.c. r.m.s. and/or 120 V ripple-free d.c for safety isolating transformers.This standard is applicable to dry type transformers. The windings may be encapsulated or non-encapsulated.NOTES3 For transformers filled with liquid dielectric or pulverized material, such as sand, additional requirements are under consideration.4 In locations where special environmental conditions prevail, particular requirements may be necessary in accordance with IEC 60364-5-51.5 For higher output no-load voltages, additional requirements are necessary but this section may be used as a guide.

Committee
EL-002
DocumentType
Standard
ISBN
0 7337 4425 7
Pages
11
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

First published as AS/NZS 61558.2.17:2001.

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