The recent update to the AS/NZS 4777.1 standard introduce some changes and one of this is the removal of the Stand-Alone Mode. This shift aims to streamline compliance and simplify system integration for inverter energy systems (IES).
What’s Different?
The previous standard of AS/NZS 4777.1 included the stand-alone mode, where inverters could be operated autonomously outside the mains. While this was useful in some applications, it added complexity because it required coordination with other standards.The new standard has eliminated the stand-alone mode, and the scope of AS/NZS 4777.1 has been narrowed to address only the installation and operation of inverter energy systems. The roles of several different standards have been redrawn thus:
- • AS/NZS 4777.1 now covers IES installations exclusively.
- • AS/NZS 5033 covers everything from the PV modules down to the input terminals of the inverter.
- • AS/NZS 5139 focuses on the battery systems themselves and covers their integration up to the input terminals of the inverter.
Why This Change Matters
This will simplify the regulatory environment. For the installers and the manufacturers, they no longer have to consider stand-alone mode considerations in the AS/NZS 4777.1 but can instead know clearly separated standards for the various parts of the system. This will reduce confusion and make compliance easier.Future Benefits
The new approach not only streamlines the existing installations but also future-proofs the standards. With clearly separated standards, independent changes can be made without having an effect on any of the others. This modularity keeps each component flexible and regulated according to the most relevant standards.Removing the stand-alone mode from AS/NZS 4777.1 represents a significant improvement in the regulatory framework for inverter energy systems. It simplifies compliance, enhances system integration, and sets the stage for more effective updates in the future.
We design and manufacture high-quality switchboards. Contact us today to discuss your requirements and get started!