AS/NZS 2081.5:2002
Electrical equipment for coal and shale mines - Electrical protection devices - Earth fault current limiters
Specifies requirements for devices intended for use in a.c. power supply systems for providing earth-fault current limitations. Test methods are included.
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AS/NZS 2081.5:2002 ELECTRICAL EQUIPMENT FOR COAL AND SHALE MINES-ELECTRICAL PROTECTION DEVICES - EARTH-FAULT CURRENT LIMITERS
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 OBJECTIVE
1.3 RELATIONSHIP TO REGULATIONS
1.4 REFERENCED DOCUMENTS
1.5 DEFINITIONS
SECTION 2 DESIGN AND CONSTRUCTION
2.1 GENERAL
2.2 COMPLIANCE WITH STANDARDS
2.3 PROSPECTIVE EARTH-FAULT CURRENT
2.4 MANUFACTURING TOLERANCE
2.5 TEMPERATURE RATING INCLUDING SAFETY FACTOR
2.6 RATING
2.6.1 Series-connected (zero-sequence) impedance
2.6.2 Neutral-connected (zero-sequence) impedance
2.7 INRUSH CURRENT UNDER SERIES-CONNECTED (ZERO-SEQUENCE) IMPEDANCE
2.8 POWER FACTOR OF NEUTRAL-CONNECTED (ZERO-SEQUENCE) IMPEDANCE
2.9 TIME/CURRENT RELATIONSHIP OF RESISTOR DEVICES
2.10 SPECIFIC REQUIREMENTS FOR RESISTOR DEVICES
2.11 MARKING
2.11.1 Enclosed equipment
2.11.2 Unenclosed equipment
SECTION 3 TESTS
3.1 REACTIVE DEVICES
3.2 RESISTIVE DEVICES
3.2.1 Routine Tests
3.2.2 Type tests
APPENDIX A - INSTALLATION GUIDANCE
A1 GENERAL
A2 AUXILIARY COMPONENTS
A2.1 Voltage rating of systems connected to an earth-fault current limited circuit.
A2.2 Fixing/Mounting
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AS/NZS 2081.5:2002 ELECTRICAL EQUIPMENT FOR COAL AND SHALE MINES-ELECTRICAL PROTECTION DEVICES - EARTH-FAULT CURRENT LIMITERS
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 OBJECTIVE
1.3 RELATIONSHIP TO REGULATIONS
1.4 REFERENCED DOCUMENTS
1.5 DEFINITIONS
SECTION 2 DESIGN AND CONSTRUCTION
2.1 GENERAL
2.2 COMPLIANCE WITH STANDARDS
2.3 PROSPECTIVE EARTH-FAULT CURRENT
2.4 MANUFACTURING TOLERANCE
2.5 TEMPERATURE RATING INCLUDING SAFETY FACTOR
2.6 RATING
2.6.1 Series-connected (zero-sequence) impedance
2.6.2 Neutral-connected (zero-sequence) impedance
2.7 INRUSH CURRENT UNDER SERIES-CONNECTED (ZERO-SEQUENCE) IMPEDANCE
2.8 POWER FACTOR OF NEUTRAL-CONNECTED (ZERO-SEQUENCE) IMPEDANCE
2.9 TIME/CURRENT RELATIONSHIP OF RESISTOR DEVICES
2.10 SPECIFIC REQUIREMENTS FOR RESISTOR DEVICES
2.11 MARKING
2.11.1 Enclosed equipment
2.11.2 Unenclosed equipment
SECTION 3 TESTS
3.1 REACTIVE DEVICES
3.2 RESISTIVE DEVICES
3.2.1 Routine Tests
3.2.2 Type tests
APPENDIX A - INSTALLATION GUIDANCE
A1 GENERAL
A2 AUXILIARY COMPONENTS
A2.1 Voltage rating of systems connected to an earth-fault current limited circuit.
A2.2 Fixing/Mounting
AS/NZS 2081.5:2002
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.