In this episode, Dr. Chaudhuri and Fater Akuhwa discuss sub-synchronous oscillations (SSO) and the challenges around identifying them in broad areas where multiple inverter-based resources (IBRs) interact. They briefly highlight recent occurrences of SSO and discuss NESO's System Oscillation Assessment of IBRs- a compliance process designed to mitigate the risks of SSO.
How effective is NESO's compliance process? What steps should be taken to prevent oscillations, and what implications do they have on the environment and cost?
Dr Chaudhuri discusses a four-layer approach to tackle these challenges. He talks about the major research challenges around stability analysis and in a quick-fire round he gives his thoughts on competing technologies like GMF vs GFL and nuclear vs wind.
Episode Overview
with timestamps
[00:07] - Introduction and overview of Dr. Chaudhuri's role and research.
[01:28]- Explanation of the Global Power System Transformation Consortium Efforts
[06:54] - Definition and impact of inverter-based resources
[10:36] - Explanation of sub-synchronous oscillations and their causes
[18:38] - Specific instances of sub-synchronous oscillations in the UK
[20:42] - Operational transparency and system security
[28:44] - Future Research Directions and Recommended research questions.
[29:34] - Quickfire Questions
[36:00] - Final thoughts and closing remarks
Meet our guests
Dr. Balarko Chaudhuri
He is a reader in Power Systems based in the Control and Power research group in the Department of Electrical and Electronic Engineering. His current research focuses on the dynamic stability and control of electric power grids with high shares of variable renewables and inverter-based resources to facilitate net-zero transition.
Fater Akuhwa (PhD)
Research Postgraduate based in the Control and Power research group in the Department of Electrical and Electronic Engineering. He is also a candidate in Inverter and Protection Co-Design for Modern Power Systems.
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