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AS 4298-1995

AS 4298-1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Gas-insulated metal-enclosed switchgear for rated voltages 72.5 kV and above - Requirements for switching of bus-charging currents by disconnectors

Available format(s)

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

Language(s)

English

Published date

01-01-1995

Publisher

Standards Australia

Superseded date

30-06-2017

Superseded by

AS 62271.102-2005

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$64.49
Including GST where applicable

1 - AS 4298-1995 GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES 72.5 kV AND ABOVE-REQUIREMENTS FOR SWITCHING OF...
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Scope and object
7 - 2 Normative reference
7 - 3 Definitions
7 - 3.1 disconnector:
7 - 3.2 bus-charging current:
7 - 3.3 transient voltage to earth (TVE):
8 - 4 Type tests
8 - 4.1 Test duties for making and breaking of bus-charging currents
8 - 4.2 Arrangement of the disconnector for tests
9 - 4.3 Test frequency
9 - 4.4 Test volt ages for making and breaking tests
11 - 4.5 Test circuits for making and breaking tests
11 - 4.5.1 Switching of a very short portion of busbar duct, test duty 1
12 - 4.5.2 Out-of-phase switching, test duty 2
13 - 4.5.3 Current switching capability test, test duty 3
14 - 4.6 Performance of making and breaking tests
14 - 4.7 Behaviour of the disconnector during making and breaking tests
15 - 4.8 Condition after test
15 - 4.9 Type test reports
15 - 4.10 Requirements for measurements

Specifies test requirements for gas-insulated metal-enclosed disconnectors used to switch small capacitive currents (no load currents) such as occur when sections of busbars or grading capacitors are energized or de-energized. This Standard is identical with and has been reproduced from IEC 1259:1994.

Committee
EL-007
DocumentType
Standard
ISBN
0 7262 9863 8
Pages
10
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This International Standard applies to alternating current gas-insulated metal-enclosed disconnectors for rated voltages of 72,5 kV and above.This standard provides test requirementsfor gas-insulated metal-encloseddisconnectors used to switch small capacitive currents (no load currents) such as occur when sections of busbars or grading capacitors are energized or de-energized.NOTE - Simultaneous switching of disconnectors in the same circuit is not advisable and thus not considered in this standard.

Standards Relationship
IEC 61259:1994 Identical

First published as AS 4298-1995.

ASTM E 2392/E2392M : 2010 Standard Guide for Design of Earthen Wall Building Systems
ASTM E 2392/E2392M : 2010 : R2016 Standard Guide for Design of Earthen Wall Building Systems
AS 1306-1985 High voltage a.c. switchgear and controlgear - Disconnectors (isolators) and earthing switches
ASTM E 2392/E2392M : 2010 : EDT 1 Standard Guide for Design of Earthen Wall Building Systems

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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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