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AS
AS/NZS 4871.1:2002

AS/NZS 4871.1:2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 mines, for use underground General requirements

Available format(s)

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

Superseded date

29-03-2023

Superseded by

AS/NZS 4871.1:2010

Language(s)

English

Published date

02-03-2002

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
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1 - AS/NZS 4871.1:2002 ELECTRICAL EQUIPMENT FOR COAL MINES, FOR USE UNDERGROUND - GENERAL REQUIREMENTS
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 APPLICATION
6 - 1.3 SERVICE CONDITIONS
7 - 1.4 REFERENCED DOCUMENTS
8 - 1.5 DEFINITIONS
8 - 1.5.1 Access cover
8 - 1.5.2 Adaptor
8 - 1.5.3 Approved
8 - 1.5.4 Area, hazardous
8 - 1.5.5 Area, non-hazardous (safe)
8 - 1.5.6 Automatic circuit opening device
8 - 1.5.7 Automatic control
8 - 1.5.8 Cable attachments
9 - 1.5.9 Cable entry
9 - 1.5.10 Certifying authority
9 - 1.5.11 Circuit-breaker
9 - 1.5.12 Clearance
9 - 1.5.13 Conduit entry
9 - 1.5.14 Connection facilities
9 - 1.5.15 Contactor
9 - 1.5.16 Cover
9 - 1.5.17 Creepage distance
9 - 1.5.18 Dead front
9 - 1.5.19 Disconnector (Isolating switch)
9 - 1.5.20 Distribution, control box and auxiliary equipment
9 - 1.5.21 Earth-continuity protection
9 - 1.5.22 Earth-fault current limitation
9 - 1.5.23 Earth-fault lockout protection
10 - 1.5.24 Earth-fault protection
10 - 1.5.25 Electrical equipment
10 - 1.5.26 Electrical equipment for explosive gas atmospheres
10 - 1.5.27 Enclosure
10 - 1.5.28 Ex component
10 - 1.5.29 Explosion-protected
10 - 1.5.30 Explosion-protection
10 - 1.5.31 Explosive atmosphere
10 - 1.5.32 Fail-to-safety (fail-safe)
10 - 1.5.33 Fixed equipment
10 - 1.5.34 Flameproof enclosure
11 - 1.5.35 Flame resistant
11 - 1.5.36 Fuse, HRC
11 - 1.5.37 Ignition temperature
11 - 1.5.38 Interlocking device
11 - 1.5.39 Intrinsically safe circuit
11 - 1.5.40 Inverse time-delay overcurrent release
11 - 1.5.41 Local control
11 - 1.5.42 Maximum surface temperature
11 - 1.5.43 Mobile machine
11 - 1.5.44 Overcurrent and short-circuit protection
11 - 1.5.45 Overload protection
11 - 1.5.46 Pilot core
12 - 1.5.47 Portable equipment
12 - 1.5.48 Prospective peak current
12 - 1.5.49 Rated conditional short-circuit current
12 - 1.5.50 Rated peak withstand current
12 - 1.5.51 Rated prospective short-circuit current
12 - 1.5.52 Rated short-time withstand current
12 - 1.5.53 Rating
12 - 1.5.54 Regulatory authority
12 - 1.5.55 Relevant Standards
12 - 1.5.56 Remote control
12 - 1.5.57 Restrained plug and receptacle
12 - 1.5.58 Sensitive earth-fault protection
12 - 1.5.59 Sequence interlocking
12 - 1.5.60 Shunt release
13 - 1.5.61 Switching device
13 - 1.5.62 Temperature classification
13 - 1.5.63 Terminal compartment
13 - 1.5.64 Testing station
13 - 1.5.65 Transportable equipment
13 - 1.5.66 Transportable substation
13 - 1.5.67 Undervoltage release
13 - 1.5.68 Voltage
14 - SECTION 2 COMMON REQUIREMENTS
14 - 2.1 GENERAL
14 - 2.1.1 Safety appraisal
14 - 2.1.2 Supply system
14 - 2.1.3 System fault levels
14 - 2.1.4 Equipment selection
14 - 2.1.5 Temperature rating
15 - 2.1.6 Assembly
15 - 2.1.7 Construction
15 - 2.2 ENCLOSURE REQUIREMENTS
15 - 2.2.1 General
15 - 2.2.2 Internal segregation
15 - 2.2.3 Access
16 - 2.2.4 Withdrawable and plug-in equipment
16 - 2.2.5 Unused openings and threaded entries
16 - 2.2.6 Electric shock interlocking
17 - 2.3 COMPONENTS REQUIREMENTS
17 - 2.3.1 General
17 - 2.3.2 Switching devices
19 - 2.3.3 Transformers
20 - 2.3.4 Measuring instruments
20 - 2.3.5 Terminals
20 - 2.3.6 Cable attachments
20 - 2.3.7 Motors
20 - 2.3.8 Resistors
21 - 2.3.9 Electronic based systems
21 - 2.4 CONDUCTORS AND CABLING REQUIREMENTS
21 - 2.4.1 Conductor insulation
21 - 2.4.2 Earthing conductors
22 - 2.4.3 Neutral earthing conductor
22 - 2.4.4 Power conductors
22 - 2.4.5 Control, protection and auxiliary conductors
22 - 2.4.6 Intrinsically safe conductors
22 - 2.4.7 Internal wiring
23 - 2.4.8 Cables
23 - 2.5 CONNECTION FACILITIES FOR EARTHING OR BONDING CONDUCTORS
23 - 2.5.1 General
23 - 2.5.2 Circuits containing voltages below 50V to earth
24 - 2.5.3 Provision for earthing circuits above 1200V
24 - 2.6 PROTECTION REQUIREMENTS
24 - 2.6.1 General
24 - 2.6.2 Protection devices
27 - 2.6.3 Transformer protection
27 - 2.6.4 Motor protection
27 - 2.6.5 Control protection or auxiliary circuits
27 - 2.7 REMOTE CONTROL
28 - SECTION 3 SPECIFIC LOCATION REQUIREMENTS
28 - 3.1 GENERAL
28 - 3.2 HAZARDOUS AREAS
28 - 3.2.1 Electric arcing interlocking
29 - 3.2.2 Enclosures
30 - 3.2.3 Batteries
30 - 3.2.4 Cable hose
30 - 3.2.5 Machine cables
31 - 3.2.6 Intrinsically safe plugs and sockets
33 - SECTION 4 TESTS
33 - 4.1 TYPE TESTS
33 - 4.1.1 Verification of compliance
33 - 4.1.2 Certificates of type tests
33 - 4.1.3 Exemption from re-test
33 - 4.1.4 Explosion-protection tests
33 - 4.1.5 Verification of the manufacturer’s assigned fault rating
34 - 4.1.6 Test arrangement
34 - 4.1.7 Short-circuit protective device incorporated
34 - 4.1.8 Short-circuit protective device not incorporated
34 - 4.1.9 Rated short-time withstand current test
35 - 4.1.10 Relationship between peak and r.m.s. values for short-circuit current
35 - 4.1.11 Test conditions and criteria
35 - 4.1.12 Power circuit test method and application
36 - 4.1.13 Criteria of acceptance
37 - 4.1.14 Temperature rise test
37 - 4.1.15 Temperature rise test for motors
38 - 4.1.16 Temperature measurements
38 - 4.2 ROUTINE TESTS
38 - 4.2.1 General
38 - 4.2.2 Insulation resistance test
39 - 4.2.3 High voltage test
40 - 4.2.4 Function test
40 - 4.2.5 Additional routine tests
41 - SECTION 5 MARKING AND LABELLING
41 - 5.1 EQUIPMENT MARKING
41 - 5.2 COMPONENT MARKING
41 - 5.3 WIRING MARKING
42 - 5.4 WARNING LABEL
42 - 5.5 WARNING PLATES
43 - APPENDIX A - INFORMATION TO BE SUPPLIED BY THE PURCHASER
43 - A1 RELATING TO THE SYSTEM TO BE INSTALLED
43 - A2 RELATING TO CONNECTED ELECTRICAL EQUIPMENT, WHERE KNOWN
43 - A3 RELATING TO CABLES AND CABLE ENTRIES
44 - APPENDIX B - INTEGRATED CONTROL SYSTEMS
44 - B1 GENERAL
44 - B2 RECOMMENDED PROCESS
44 - B3 OTHER RECOMMENDATIONS
45 - APPENDIX C - ADDITIONAL INFORMATION ON FLAMEPROOF ENCLOSURES
45 - C1 PRECAUTIONS ASSOCIATED WITH HIGH ENERGY ARC FAULTS
45 - C2 DOCUMENTATION
46 - APPENDIX D - DOCUMENTATION REQUIREMENTS

Specifies the general design, manufacturing, testing and performance standards for all electrical equipment intended for use in underground coal mines.

Committee
EL-023
DocumentType
Standard
ISBN
0 7337 4357 9
Pages
41
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard sets out the general requirements for all electrical equipment intended for use in underground coal mines.

First published as part of AS 1039-1972.
AS 1740 first published 1975.
Second edition AS 1039-1983.
AS 2595.1 first published 1983.
Second edition AS 1740-1985.
Second edition AS 2595.1-1985.
AS 2989 first published 1987.
Third edition AS 1039-1986.
Third edition AS 1740-1990.
Third edition AS 2595.1-1992.
Second edition AS 2989-1992.
AS 1039-1986, AS 1740-1990, AS 2595.1-1992 and AS 2989-1992 jointly revised, amalgamated and redesignated in part as AS/NZS 4871.1:2002

AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
AS/NZS 3931:1998 Risk analysis of technological systems - Application guide
AS 61508.3-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Software requirements
AS 4042-1992 Software configuration management plans
AS/NZS 60079.0:2000 Electrical apparatus for explosive gas atmospheres General requirements
AS/NZS 3100:1997 Approval and test specification - General requirements for electrical equipment
AS/NZS 4360:1999 Risk management
AS 2081-1977 Equipment for earth-fault protection, monitoring and current limitation for use in coal and shale mines
AS 1614-1985 The design and use of reflectorized signs for mines and tunnels
AS/NZS 1802:1995 Electric cables - Reeling and trailing - For underground coal mining purposes
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS 3007.2-1987 Electrical installations - Surface mines and associated processing plant - General protection requirements
AS/NZS 4695.112:1996 Fire hazard testing of electrotechnical products Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions
AS 1180.13B-1987 Methods of test for hose made from elastomeric materials Determination of electrical resistance of hose assembly
AS 1931.1-1996 High-voltage test techniques - General definitions and test requirements
AS 1180.10B-1982 Methods of test for hose made from elastomeric materials Determination of combustion propagation characteristics of a horizontally oriented specimen of hose using surface ignition
AS 1675-1986 Current transformers - Measurement and protection
AS 2380.1-1989 Electrical equipment for explosive atmospheres - Explosion-protection techniques General requirements (Reconfirmed 2013)
AS 2374.1-1997 Power transformers General
AS 2067-1984 Switchgear assemblies and ancillary equipment for alternating voltages above 1 kV
AS 1243-1982 Voltage transformers for measurement and protection
AS/NZS 4240:1994 Remote controls for mining equipment
AS/NZS 2381.1:1999 Electrical equipment for explosive atmospheres - Selection, installation and maintenance General requirements
AS 61508.1-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - General requirements
AS/NZS 1972:1996 Electric cables - Underground coal mines - Other than reeling and trailing
AS/NZS 60079.11:2000 Electrical apparatus for explosive gas atmospheres Intrinsic safety 'i'
AS 2381.7-1989 Electrical equipment for explosive atmospheres - Selection, installation and maintenance Intrinsic safety i
AS 1931.2-1996 High-voltage test techniques - Measuring systems
AS 2380.2-1991 Electrical equipment for explosive atmospheres - Explosion-protection techniques Flameproof enclosure d

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 3584.1:2008 Diesel engine systems for underground coal mines Fire protected - Heavy duty
AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
AS/NZS 1972:2006 Electric cables - Underground coal mines - Other than reeling and trailing (Reconfirmed 2020)
AS/NZS 3584.2:2008 Diesel engine systems for underground coal mines Explosion protected
AS 2067-2008 Substations and high voltage installations exceeding 1 kV a.c.
AS/NZS 4871.4:2002 Electrical equipment for coal mines, for use underground Mains powered electrical mobile machines
AS/NZS 4240.1:2009 Remote control systems for mining equipment Design, construction, testing, installation and commissioning (Reconfirmed 2021)
HB 242-2007 High voltage mining equipment for use underground (Reconfirmed 2019)
AS 60204.1-2005 Safety of machinery - Electrical equipment of machines General requirements (IEC 60204-1, Ed. 5 (FDIS) MOD)
AS/NZS 4871.5:2002 Electrical equipment for coal mines, for use underground Battery powered electrical mobile machines
AS/NZS 4871.3:2002 Electrical equipment for coal mines, for use underground Substations
HB 13-2007 Electrical equipment for hazardous areas
AS/NZS 3584.2:2003 Diesel engine systems for underground coal mines - Explosion protected
AS/NZS 4871.6:2007 Electrical equipment for coal mines, for use underground Diesel powered machinery and ancillary equipment
AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
AS/NZS 4871.2:2002 Electrical equipment for coal mines, for use underground Distribution, control and auxiliary equipment

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