AS 4777.2-2002

1 - AS 4777.2-2002 GRID CONNECTION OF ENERGY SYSTEMS VIA INVERTERS - INVERTER REQUIREMENTS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 NORMATIVE REFERENCES
6 - 3 DEFINITIONS
6 - 3.1 Electricity distribution network
6 - 3.2 Grid
7 - 3.3 Grid protection device
7 - 3.4 Inverter
7 - 3.5 Inverter energy system
7 - 3.6 Islanding
7 - 3.7 Nominal grid voltage
7 - 3.8 Ripple control
7 - 3.9 Uninterruptible power supply (UPS) system
7 - 4 INVERTER REQUIREMENTS
7 - 4.1 General
7 - 4.2 Compatibility with electrical installation
7 - 4.3 Power flow direction
7 - 4.4 Power factor
8 - 4.5 Harmonic currents
8 - 4.6 EMC
8 - 4.7 Voltage fluctuations and flicker
8 - 4.8 Impulse protection
8 - 4.9 Transient voltage limits
9 - 4.10 Direct current injection
10 - 4.11 Data logging and communications devices
11 - APPENDIX A - POWER FACTOR TEST
11 - A1 TEST SPECIFICATIONS
12 - APPENDIX B - HARMONIC CURRENT LIMIT TEST
12 - B1 TEST SPECIFICATIONS
12 - B2 HARMONIC CURRENT LIMITS
12 - B3 SUPPLY SOURCE DURING HARMONIC TESTS
14 - APPENDIX C - TRANSIENT VOLTAGE LIMIT TEST
14 - C1 GENERAL
14 - C2 TEST SPECIFICATIONS
14 - C3 TRANSIENT VOLTAGE LIMITS

Specifies requirements for inverters with ratings of up to 10 kVA for single-phase units, or 30 kVA for three-phase units, and intended for connection to the low-voltage electricity distribution network (grid).

This Standard specifies the requirements for inverters, with ratings up to 10 kVA for single-phase units or up to 30 kVA for three-phase units, for the injection of electric power through an electrical installation to the electricity distribution network.NOTE: Although this Standard does not apply to larger systems, similar principles can be used for the design of such systems.

First published as AS 4777.2-2002.