PRE-PROD SITE

This is the pre-production environment and sandbox site.

Technical resources

Frequency Control

Since the FPSSP, frequency control objectives have been pursued through a number of different avenues, including but not limited to:

In order to operate, the system must have the ability to set and maintain frequency.

Power system frequency is controlled by the constant balancing of electricity supply and demand. If electricity supply exceeds demand at an instant in time, power system frequency will increase. If electricity demand exceeds supply at an instant in time, power system frequency will decrease.

To maintain this balance, AEMO relies on frequency control services, which are mostly designed to inject or remove power from the grid to restore the balance of supply and demand. AEMO have been involved in investigations, reviews and trials that support better frequency control in the long term and enable the delivery of frequency control services form new technologies. Relevant documents are available under the ‘Resources’ and ‘Trials’ sections, below.


System Strength

Since the FPSSP, system strength objectives have been pursued through a number of different avenues, including but not limited to:

System strength is a complex concept, and an area of emerging understanding internationally. Definitions vary across jurisdictions and continue to evolve as the international power system community’s collective understanding of power system phenomena continues to grow.

AEMO sees system strength as the ability of the power system to maintain and control the voltage waveform at any given location in the power system, both during steady state operation and following a disturbance. System strength can be related to the available fault current at a specified location in the power system, with higher fault current indicating higher system strength with greater ability to maintain the voltage waveform.

System strength is an area of particular focus as operation of wind and solar IBR increases and some regions may be regularly be pushed into unfamiliar territory.


Emerging technology

Since the FPSSP, emerging technology objectives have been pursued through a number of different avenues, including but not limited to:


Distributed Energy Resources

Since the FPSSP, DER objectives have been pursued through AEMO’s Distributed Energy Resources program. Information on power system incidents, some of which have affected DER, are available via the power system incident report page, including the Queensland and South Australia system separation on 25 August 2018.


Technical standards

Since the FPSSP, technical standard have been reviewed and updated through AEMO’s DER Program Standards and connections stream, including the technical integration of DER report, and reforms to generator technical requirements.

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