Guest Editorial
Operational and structural resilience of power grids with high penetration of renewables
Shunbo Lei (The Chinese University of Hong Kong, Shenzhen)
Yichen Zhang (Univ. of Texas at Arlington)
Mohammad Shahidehpour (Illinois Institute of Technology)
Yunhe Hou (The University of Hong Kong, Shenzhen Institute of Research and Innovation)
Mathaios Panteli (University of Cyprus)
Xia Chen (Huazhong University of Science and Technology)
Nazli Yonca Aydin (TU Delft - System Engineering)
Liang Liang (Harbin Institute of Technology)
Cheng Wang (North China Electric Power University)
Chong Wang (Hohai University)
Buxin She (Pacific Northwest National Laboratory)
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Abstract
The switch to renewable power generation is promoted aggressively by government policies, growing investments, consumer preferences, and many other factors. However, high renewable penetration can impose significant challenges to designing and employing measures that enhance power grid resilience. Resilience has been posed as a requirement of increased criticality following severe phenomena and events (Texas freeze, California wildfires, India heatwaves, cyberattacks on power plants etc.) that go beyond electrical grid reliability. Dependence of renewables on climate and weather conditions and reliance on information and communication technologies complicate the challenge of accounting for them within grid resilience frameworks. Specifically, the asynchronous and limited-inertia characteristics of inverter-based resources can severely degrade the grid dynamic performance and shrink stability regions. Also, stochastic and intermittent nature of renewables requires the availability and fast response of flexibility resources and increases the computational complexity of decision-making problems, which will make methods for grid resilience even more challenging. Extensive behind-the-meter distributed energy resources further alter the behaviour of both distribution systems and transmission systems. Therefore, this Special Issue aims to address these challenges and key technologies for facilitating grid resilience in the pathway of grid decarbonization, with specific focus on operational and structural resilience of power grids.
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