The project's primary objective is to investigate oscillatory issues within Australia's national grid and devise tools to pinpoint the root causes of instability while proposing potential solutions.

Challenges: Presently, AEMO lacks proactive management of oscillatory stability. Although they address oscillatory behavior upon observation, existing tools and simulations fall short in accurately identifying the underlying causes.

Approach: To meet the urgent demands of the National Electricity Market (NEM), the project will employ various techniques and develop advanced time-domain and frequency-domain analysis tools. These tools will be instrumental in identifying low-frequency oscillations in the NEM, with simulations replicating similar oscillations using simplified test systems such as Single-Machine Infinite-Bus (SMIB) and NEM Power Systems Computer Aided Design (PSCAD) cases.

Expected Outcomes: The project seeks to achieve the following outcomes:

• Mitigate barriers hindering renewable energy adoption by empowering AEMO and TNSPs to proactively identify and address oscillatory instability in the NEM.
• Enhance security and stability within the NEM to facilitate the expansion of renewable generation.
• Foster the development of skills, capacity, and knowledge necessary for effectively integrating high levels of renewable energy technologies.

Additional Impact: The solutions devised will assist grid operators, planners, and renewable energy developers in tackling present and future small-signal stability challenges resulting from the increasing penetration of renewable resources in the NEM.