Australia Inverter requirements

Can anyone provide me more information about below standard/requirements:

-AS 4777.1 - 2002 Grid connection of energy systems via inverters Part 1: Installationrequirements.
-AS 4777.2 - 2002 Grid connection of energy systems via inverters Part 2: Inverter requirements.
-AS 4777.3 - 2002 Grid connection of energy systems via inverters Part 1: Grid protectionrequirements.