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AS
AS 2326.2-1991

AS 2326.2-1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

On-load tap-changers - Application guide

Available format(s)

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

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1991

Publisher

Standards Australia

1 - AS 2326.2-1991 ON-LOAD TAP-CHANGERS - APPLICATION GUIDE
4 - PREFACE
5 - CONTENTS
6 - 1. Scope
6 - 2. Selection of a tap-changer
6 - 2.1 General remarks
6 - 2.2 Insulation level
7 - 2.3 Current and step vol tage
7 - 2.4 Breaking capacity
8 - 2.5 Number of tapping positions
8 - 2.6 Discharges during the operat ion of the change-over selectors
8 - 2.7 Mechanical life
8 - 2.8 Motor-drive mechanism
9 - 2.9 Pressure and vacuum tests
9 - 2.10 Low-temperature conditions
9 - 3. Location of oil-immersed tap-changer components
9 - 3.1 Tap selectors
9 - 3.2 Diverter and selector switches
9 - 3.3 Oil level alarm contacts
9 - 4. Field service
9 - 4.1 Safety of operation
10 - 4.2 Parallel operation
10 - 4.3 Contact erosion and oil contamination
10 - 4.4 Oil replacement
10 - 5. Information required with enquiry or order
10 - 5.1 Rating and general data
11 - 5.2 Insulation level
11 - 5.3 Pressure, vacuum and temperature requirements
11 - 5.4 Special
11 - 5.5 Fittings
12 - 5.6 Motor-drive mechanism
13 - AUSTRALIAN APPENDIX A - VARIATION FROM IEC 542 REQUIRED FOR AUSTRALIAN CONDITIONS
13 - A1 SCOPE
13 - A2 LIST

Provides guidance and recommendations to assist in the selection of on-load tap-changers for use with tapped windings of transformers or reactors. This Standard is technically identical with IEC 542:1976, Application guide for on-load tap-changers (as amended 1988).

This application guide is intended to assist in the selection of suitable on-load tap-changers for use in conjunction with the tapped windings of transformers or reactors which, in the following text, are referred to as transformers.As in the second edition of IEC Publication 214, On-load Tap-changers (revision of Publication 214 (1966)), the designation "on-load tap-changer" is shortened to "tap-changer" in the remainder of this guide and all the tap-changers referred to shall be presumed to comply with the requirements specified in IEC Publication 214.The recommendations of the application guide are not mandatory and only represent advice to the tap-changer manufacturer and purchaser. The responsibility for the correct application of the fully assembled tap-changer in connection with the transformer is with the manufacturer of the transformer.

Committee
EL-008
DocumentType
Standard
ISBN
0 7262 6921 2
Pages
8
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Standards Relationship
IEC 60542:1976 Identical

First published as AS 2326.2-1980.Second edition 1991. First published as AS 2326.2-1980. Second edition 1991.

AS 2326.1-1991 On-load tap-changers - Requirements
AS 1078-1984 Guide to loading of oil-immersed transformers
AS 2374.4-1982 Power transformers - Tappings and connections
AS 2374.5-1982 Power Transformers Ability To Withstand Short-Circuit
AS 2374.1-1997 Power transformers General

AS 2326.1-1991 On-load tap-changers - Requirements
AS 2374.3.0-1982 Power transformers Insulation levels and dielectric tests - General requirements

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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