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AS/NZS 2081.5:2002

AS/NZS 2081.5:2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Electrical equipment for coal and shale mines - Electrical protection devices - Earth-fault current limiters

Available format(s)

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

Superseded date

06-30-2017

Superseded by

AS/NZS 2081:2011

Language(s)

English

Published date

01-01-2002

Publisher

Standards Australia

Preview
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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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1 - AS/NZS 2081.5:2002 ELECTRICAL EQUIPMENT FOR COAL AND SHALE MINES-ELECTRICAL PROTECTION DEVICES - EARTH-FAULT CURRENT LIMITERS
4 - PREFACE
6 - CONTENTS
7 - FOREWORD
8 - SECTION 1 SCOPE AND GENERAL
8 - 1.1 SCOPE
8 - 1.2 OBJECTIVE
8 - 1.3 RELATIONSHIP TO REGULATIONS
8 - 1.4 REFERENCED DOCUMENTS
9 - 1.5 DEFINITIONS
10 - SECTION 2 DESIGN AND CONSTRUCTION
10 - 2.1 GENERAL
10 - 2.2 COMPLIANCE WITH STANDARDS
10 - 2.3 PROSPECTIVE EARTH-FAULT CURRENT
10 - 2.4 MANUFACTURING TOLERANCE
10 - 2.5 TEMPERATURE RATING INCLUDING SAFETY FACTOR
10 - 2.6 RATING
10 - 2.6.1 Series-connected (zero-sequence) impedance
10 - 2.6.2 Neutral-connected (zero-sequence) impedance
11 - 2.7 INRUSH CURRENT UNDER SERIES-CONNECTED (ZERO-SEQUENCE) IMPEDANCE
11 - 2.8 POWER FACTOR OF NEUTRAL-CONNECTED (ZERO-SEQUENCE) IMPEDANCE
11 - 2.9 TIME/CURRENT RELATIONSHIP OF RESISTOR DEVICES
11 - 2.10 SPECIFIC REQUIREMENTS FOR RESISTOR DEVICES
12 - 2.11 MARKING
12 - 2.11.1 Enclosed equipment
12 - 2.11.2 Unenclosed equipment
13 - SECTION 3 TESTS
13 - 3.1 REACTIVE DEVICES
13 - 3.2 RESISTIVE DEVICES
13 - 3.2.1 Routine Tests
13 - 3.2.2 Type tests
15 - APPENDIX A - INSTALLATION GUIDANCE
15 - A1 GENERAL
15 - A2 AUXILIARY COMPONENTS
15 - A2.1 Voltage rating of systems connected to an earth-fault current limited circuit.
16 - A2.2 Fixing/Mounting

Specifies requirements for devices intended for use in a.c. power supply sytems for providing earth-fault current limitations. Test methods are included.

Committee
EL-023
DocumentType
Standard
ISBN
0 7337 4751 5
Pages
11
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard sets out minimum performance requirements for earth-fault current limiter devices intended for use on a.c. power supply systems, having an earth-fault current limitation system (IT system).NOTES:1 Whereas this Standard is based upon 50 Hz supply systems it is envisaged that equipment may be installed upon higher or low frequency supply systems.Consideration of the effects of these installations upon current limitation and effects upon the human body need to be considered. IEC 60479-1 and IEC 60479-2 should be referenced for the effects upon the human body of other supply frequencies.2 Installation guidelines are provided in Appendix A.

First published as part of AS C318-1958.
Revised and redesignated as AS 2081-1977.
AS 2081-1977 revised and redesignated in part as AS 2081.5-1988.
Jointly revised and designated AS/NZS 2081.5:2002.

AS 2374.1-1997 Power transformers General
AS/NZS 2081.1:2002 Electrical equipment for coal and shale mines - Electrical protection devices - General requirements
AS 2374.4-1982 Power transformers - Tappings and connections
AS 2374.5-1982 Power Transformers Ability To Withstand Short-Circuit
AS 2374.3.1-1992 Power transformers Insulation levels and dielectric test - External clearances in air
AS 2374.8-2000 Power transformers Application guide (Reconfirmed 2016) (Reconfirmed 2024)
AS 3007.2-1987 Electrical installations - Surface mines and associated processing plant - General protection requirements
AS 1824.1-1985 Insulation coordination (phase-to-earth and phase-to-phase, above 1 kV) Basic principles, standard insulation levels and test procedures
AS 2374.2-1997 Power transformers Temperature rise
AS 1824.1-1995 Insulation co-ordination Definitions, principles and rules
AS 2374.3-1982 Power transformers Insulation levels and dielectric tests
AS 3007.2-2004 Electrical installations - Surface mines and associated processing plant - General protection requirements
AS 1028-1992 Power reactors and earthing transformers
AS 2374.6-1994 Power transformers Determination of transformer and reactor sound levels
AS 2374.7-1997 Power transformers Loading guide for oil-immersed power transformers
AS 2374.3.0-1982 Power transformers Insulation levels and dielectric tests - General requirements

MP 87.2:2007 Australian/New Zealand Certification Scheme for explosion-protected electrical equipment (ANZEx Scheme) Recognized Service Facilities Program - Basic rules and procedures
AS/NZS 4871.2:2010 Electrical equipment for mines and quarries Distribution, control and auxiliary equipment
AS/NZS 2081.3:2002 Electrical equipment for coal and shale mines - Electrical protection devices - Earth-leakage protection systems for use on earth-fault current limited systems (IT systems)
AS/NZS 4871.1:2010 Electrical equipment for mines and quarries General requirements
AS/NZS 2081.1:2002 Electrical equipment for coal and shale mines - Electrical protection devices - General requirements
AS/NZS 3190:2009 Approval and test specification - Residual current devices (current-operated earth-leakage devices)
HB 239:2011 Guidance on the repair and overhaul of electrical equipment for explosive atmospheres
HB 242-2007 High voltage mining equipment for use underground (Reconfirmed 2019)
HB 13-2007 Electrical equipment for hazardous areas

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