Guest editorial : Dynamic analysis, control, and situation awareness of power systems with high penetrations of power electronic converters

Zhu, Jiebei and Sun, Huadong and Chi, Yongning and Xie, Xiaorong and Hu, Jiabing and Zhao, Haoran and Bu, Siqi and Xu, Yan and Teng, Fei and Hong, Qiteng and Ge, Leijiao (2024) Guest editorial : Dynamic analysis, control, and situation awareness of power systems with high penetrations of power electronic converters. IET Energy Systems Integration, 6 (1). pp. 1-4. ISSN 2516-8401 (https://doi.org/10.1049/esi2.12146)

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Abstract

In recent decades, global power grids have evolved with a rapid and extensive development of power electronic converters (PEC), including renewable energy systems (RES), high-voltage DC (HVDC) transmission, flexible AC transmission system (FACTS), energy storages, and microgrids. The distinct characteristics of power electronic devices traditional synchronous generators, especially their rapid control speed, wide-band performance and lack of inertia response and spinning reserve, are altering grid dynamics, and inducing new stability challenges. Continuation of such trends could further exacerbate the risk to the stability of power grids because of factors such as low inertias, lack of spinning reserve to quickly nullify active power mismatch between demand and supply. Therefore, scientific investigations on novel dynamic modelling and stability analysis methods, data-driven monitoring and situation awareness on grid inertia-power-frequency evolution, grid dynamic frequency forecast methodologies in consideration of novel PEC control schemes, and advanced PEC grid integration control schemes to minimise frequency management risks become increasingly crucial for the secured operations of power systems with high PEC penetrations. In this Special Issue, namely ‘Dynamic Analysis, Control, and Situation Awareness of Power Systems with High Penetrations of Power Electronic Converters’, we have presented eight original papers of sufficient quality and innovation. The 10 eventually accepted papers can be clustered into three two categories, namely novel control design, stability and fault analysis.

ORCID iDs

Zhu, Jiebei, Sun, Huadong, Chi, Yongning, Xie, Xiaorong, Hu, Jiabing, Zhao, Haoran, Bu, Siqi, Xu, Yan, Teng, Fei, Hong, Qiteng ORCID logoORCID: https://orcid.org/0000-0001-9122-1981 and Ge, Leijiao;
CORE (COnnecting REpositories)