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AS
AS 2086-1995

AS 2086-1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 72.5 kV

Available format(s)

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

Superseded date

30-06-2017

Published date

01-01-1995

Publisher

Standards Australia

Preview

1 - AS 2086-1995 A.C. METAL-ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGES ABOVE 1kV AND UP TO AND INCLUDING 72.5 kV
4 - PREFACE
6 - CONTENTS
8 - SECTION ONE - GENERAL
8 - 1. Scope
8 - SECTION TWO - SERVICE CONDITIONS
8 - 2. Nominal and special service conditions
9 - SECTION THREE - TERMS AND DEFINITIONS
9 - 3. Definitions
9 - 3.101 Switchgear and controlgear
9 - 3.102 Metal-enclosed switchgear and controlgear
10 - 3.103 Transport unit
10 - 3.104 Functional unit
10 - 3.105 Enclosure
10 - 3.106 Compartment
10 - 3.107 Gas-filled compartment
10 - 3.108 Component
10 - 3.109 Partition
11 - 3.110 Shutter
11 - 3.111 Bushing
11 - 3.112 Removable part
11 - 3.113 Withdrawable part
11 - 3.114 Segregation (of conductors)
11 - 3.115 Service position (connected position)
11 - 3.116 Earthing position
11 - 3.117 Test position (of a withdrawable part)
11 - 3.118 Disconnected position (of a withdrawable part)
11 - 3.119 Removed position (of a removable part)
12 - 3.120 Main circuit
12 - 3.121 Auxiliary circuit
12 - 3.122 Rated value
12 - 3.123 Degree of protection
12 - 3.124 Ambient air temperature (of metal-enclosed switchgear and controlgear)
12 - 3.125 Disruptive discharge
12 - 3.126 Minimum functional pressure (of gas-filled compartments)
12 - 3.127 Design pressure (of gas-filled compartments)
12 - 3.128 Design temperature (of gas-filled compartments)
13 - SECTION FOUR - RATED CHARACTERISTICS
13 - 4. Rating
13 - 4.1 Rated voltage
13 - 4.2 Rated insulation level
13 - 4.3 Rated Frequency
13 - 4.4 Rated normal current and temperature rise
13 - 4.4.1 Rated normal current
14 - 4.4.2 Temperature rise
14 - 4.5 Rated short-time withstand current
14 - 4.6 Rated peak withstand current
14 - 4.7 Rated duration of short circuit
14 - 4.8 Rated supply voltage of closing and opening devices and auxiliary circuits
14 - 4.9 Rated supply frequency of operating devices and auxiliary circuits
14 - 4.10 Rated pressure of compressed gas supply for operation
14 - 4.101 Rated filling pressure (of gas-filled compartments)
14 - SECTION FIVE - RULES FOR DESIGN AND CONSTRUCTION
14 - 5. Design and construction
15 - 5.1 Requirements for liquids in switchgear and controlgear
15 - 5.2 Requirements for gases in switchgear and controlgear
15 - 5.3 Earthing
15 - 5.3.1 Earthing of the main circuit
15 - 5.3.2 Earthing of the enclosure
16 - 5.4 Auxiliary equipment
16 - 5.5 Dependent power closing
16 - 5.6 Stored energy closing
16 - 5.7 Operating of releases
16 - 5.8 Low and high pressure interlocking devices
16 - 5.9 Nameplates
17 - 5.101 Degree of protection and internal fault
18 - 5.102 Enclosure
20 - 5.103 Partitions and shutters
21 - 5.104 Pressure relief of gas-filled compartments
21 - 5.105 Disconnectors and earthing switches
22 - 5.106 Interlocks
23 - 5.107 Provisions for dielectric tests on cables
23 - SECTION SIX - RULES FOR TYPE TESTS
23 - 6. Type tests
24 - 6.1 Dielectric tests
24 - 6.1.1 Ambient air conditions during tests
24 - 6.1.2 Wet test procedure
24 - 6.1.3 Conditions of switchgear and controlgear during dielectric tests
24 - 6.1.4 Application of test voltages and test conditions
25 - 6.1.5 Test voltages
26 - 6.1.6 Lightning and switching impulse voltage tests
26 - 6.1.7 Power-frequency voltage tests on the main circuit
26 - 6.1.8 Artificial pollution tests
26 - 6.1.9 Partial discharge tests
27 - 6.1.10 Dielectric tests on auxiliary and control circuits
27 - 6.2 Radio interference voltage (RIV) tests
27 - 6.3 Temperature-rise tests
27 - 6.4 Measurement of the resistance of the main circuit
27 - 6.5 Short-time and peak withstand current tests
28 - 6.101 Verification of making and breaking capacities
29 - 6.102 Mechanical operation tests
29 - 6.103 Verification of the degree of protection
29 - 6.104 Pressure withstand test for gas-filled compartments
29 - 6.105 Gas tightness tests of gas-filled compartments
30 - 6.106 Measurement of leakage currents
30 - 6.107 Weatherproofing test
30 - 6.108 Arcing due to internal fault
31 - SECTION SEVEN - RULES FOR ROUTINE TESTS
31 - 7. Routine tests
31 - 7.1 Power-frequency voltage tests on the main circuit
31 - 7.2 Dielectric tests on auxiliary and control circuits
31 - 7.3 Measurement of the resistance of the main circuit
32 - 7.101 Partial discharge measurement
32 - 7.102 Mechanical operation tests
32 - 7.103 Pressure tests of gas-filled compartments
32 - 7.104 Gas tightness tests of gas-filled compartments
32 - 7.105 Tests of auxiliary electrical, pneumatic and hydraulic devices
32 - 7.106 Verification of correct wiring
32 - 7.107 Tests after erection on site
33 - 7.108 Measurement of gas condition after filling on site
33 - SECTION EIGHT - GENERAL INFORMATION
33 - 8. Guide to the selection of switching devices for service
33 - 9. Information to be given with enquiries, tenders and orders
33 - 9.101 Information with enquiries and orders
34 - 9.102 Information with tenders
35 - 10. Rules for transport, storage, erection and maintenance
35 - 10.1 Conditions during transport, storage and erection
35 - 10.2 Erection (mounting)
35 - 10.3 Maintenance
37 - Annex AA - Internal fault
38 - AA.1 Introduction
38 - AA.2 Types of accessibility
38 - AA.3 Test arrangements
39 - AA.4 Current and voltage applied
40 - AA.5 Test procedure
41 - AA.6 Assessment of the test
42 - AA.7 Test report
45 - Annex BB - Method of calculating the cross sectional area of bare conductors with regard to thermal stresses due to currents
46 - Annex CC - Recommended method for the weatherproofing test for outdoor metal-enclosed switchgear and controlgear
49 - Annex DD - Guide for voltage tests after erection on site
50 - Annex EE - Rated insulation level for Series II
51 - Annex FF - Partial discharge measurement
51 - FF.1 General
51 - FF.2 Application
52 - FF.3 Test circuits and measuring instruments
52 - FF.4 Test procedure
53 - FF.5 Maximum permissible partial discharge quantity
56 - Annex GG - Gas tightness specifications and tests
56 - INTRODUCTION
56 - GG.1 Scope and object
56 - GG.2 Definitions
58 - GG.3 Specifications for gas tightness
58 - GG.4 Tests
62 - APPENDIX ZZ - LIST OF VARIATIONS BETWEEN THIS STANDARD AND IEC 298
63 - APPENDIX ZA - ITEMS SUBJECT TO AGREEMENT BETWEEN THE MANUFACTURER AND THE USER

Applies to factory-assembled metal-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 72.5 kV for indoor and outdoor installations and for service frequencies up to and including 60 Hz. This Standard is equivalent in technical content but not corresponding in full presentation to IEC 298:1990 and Amendment 1:1994.

This standard specifies requirements for factory-assembled metal-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 52 kV for indoor and outdoor installation, and for service frequencies up to and including 60 Hz.For metal-enclosed switchgear and controlgear containing gas-filled compartments, the design pressure is limited to a maximum of 3 bar (gauge). Gas-filled compartments having a design pressure exceeding 3 bar (gauge) shall be designed and tested in accordance with IEC 517.Metal-enclosed switchgear and controlgear for special use, for example in flammable atmospheres, in mines or on board ships, may be subject to additional requirements.This standard does not deal with components contained in metal-enclosed switchgear and controlgear for which individual specifications exist.NOTES1 Switchgear and controlgear assemblies having an insulation enclosure are covered by IEC 466.2 Metal-enclosed switchgear and controlgear for rated voltages above 52 kV insulated by air at atmospheric pressure may be covered by this standard taking into account the insulation levels of IEC 694.3 Liquid-insulated hermetically sealed compartments are equal to gas-filled compartments with respect to independence from ambient atmosphere.

Committee
EL-007
DocumentType
Standard
ISBN
0 7262 9667 8
Pages
64
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Standards Relationship
IEC 60298:1990 Identical

First published as AS 2086-1977.Second edition 1984.Third edition 1995. First published as AS 2086-1977. Second edition 1984. Third edition 1995.

AS 1018-1985 Partial discharge measurements
AS 2263-1995 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above
AS 2650-1986 High voltage a.c. switchgear and controlgear - Common requirements
AS 1852.441-1985 International electrotechnical vocabulary - Switchgear, controlgear and fuses
AS 1852.151-1988 International electrotechnical vocabulary - Electric and magnetic devices
AS 1306-1985 High voltage a.c. switchgear and controlgear - Disconnectors (isolators) and earthing switches
AS 1265-1990 Bushings for alternating voltages above 1000 V
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS 2006-1986 High voltage a.c. switchgear and controlgear - Circuit breakers for rated voltages above 1000 V
AS 2264-1995 A.C. insulation-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 38 kV
AS 1255.3-1973 Methods of test for electrical characteristics of solid plastics insulating materials - Determination of electric strength at power frequencies

AS 2264-1995 A.C. insulation-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 38 kV
AS 4243-1994 Additional requirements for enclosed switchgear and controlgear from 1 kV to 72.5 kV to be use in severe climatic conditions
AS 2067-1984 Switchgear assemblies and ancillary equipment for alternating voltages above 1 kV
AS 2263-1995 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above
AS 60470-2001 High-voltage alternating current contactors and contactor-based motor starters (Reconfirmed 2015)
AS 2989-1992 Electrical equipment for coal mines - Specific requirements for high voltage circuit-breakers and disconnectors
AS 2024-1991 High voltage a.c. switchgear and controlgear - Switch-fuse combinations
AS 2791-1996 High-voltage switchgear and controlgear - Use and handling of sulphur hexafluoride (SF6) in high-voltage switchgear and controlgear

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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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