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AS 2086-1995 A.C.metal-enclosed switchgear and controlgear for rated voltages above 1 KV and up to and including 72.5 KV

Standard Number:  AS 2086-1995
Title:  A.C.metal-enclosed switchgear and controlgear for rated voltages above 1 KV and up to and including 72.5 KV
Language:  English
Publication Date:  1995/1/19
Execute Date:  1995/5/5
Adopted International Standard:  IEC 60298 Amd.1 Ed. 3.0 Equivalent IEC 60298 Ed. 3.0 Equivalent
Status:  Withdrawn
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:66P.;A4  

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

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