The Resilience and Stability of Smart Grids Under a High Proportion of Renewable Energy

Muchen He; Zijie Xu; Ziheng Zhao

doi:10.54097/ep1vhd03

Authors

Muchen He
Zijie Xu
Ziheng Zhao

DOI:

https://doi.org/10.54097/ep1vhd03

Keywords:

Smart grid; renewable energy; power electronic converter grid connection; resilience; stability.

Abstract

This article gives a systematic review concerning the resilience and stability of smart grids with the integration of high-proportion renewable energy. The central proposition is that the large increase of variable, intermittent, and low inertial, like wind and solar, renewable energy sources causes problems for grids. This article adopts methods like reviewing, analyzing techniques and conducting case studies to look into some technologies like multi-timescale collaborative optimization scheduling, virtual synchronous generator, multi-energy complementary system and AI forecasting technology. Examining projects such as Hubei Suizhou’s 100% renewable county grid, South Africa’s AI dispatch system, it can be seen they have improved renewable energy insertion, enhanced grid self-repair capabilities and improved frequency stability. In this paper, the main innovation lies in the synthesis of the resilience and stability framework and using the recent engineering validation to provide support. Future studies can also look more at the technical bottlenecks and system plan improvements so that innovation will be driven to markets that support the future power system.

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