Celebrating the 128th Anniversary of Sichuan University—Electrical and Electronic Engineering

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Industrial Electronics".

Deadline for manuscript submissions: 15 May 2025 | Viewed by 561

Special Issue Editors

College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: power system stability and control; HVDC technology; DC grids; FACTS
Special Issues, Collections and Topics in MDPI journals
College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: AC–DC hybrid power systems; HVDC; renewable power integration
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: power system design planning and optimal operation; renewable energy power system
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As golden autumn leaves grace the campus, we mark the 128th anniversary of Sichuan University, a milestone that resonates with pride and academic excellence. To commemorate this historic occasion and perpetuate the rich scholarly tradition and pioneering research spirit of our institution, we are delighted to announce a special academic paper solicitation.

This call for papers invites contributions from faculty and students across the globe, aiming to showcase the diverse research achievements and innovative thinking within the field of electrical engineering and its intersections with other disciplines. We warmly welcome original research papers and academic reviews that embody novelty, originality, and practical significance. The topics of this session include, but are not limited to, the following:

  • Power system stability and control.
  • AC-DC system operation and analysis.
  • Power system design planning.
  • Power system optimal operation.
  • AI technologies application in power system.

Dr. Baohong Li
Dr. Qin Jiang
Dr. Yue Yin
Guest Editors

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Keywords

  • stability and control
  • HVDC
  • design planning
  • optimal operation
  • AI technologies

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Published Papers (1 paper)

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Research

16 pages, 3400 KiB  
Article
The Hybrid AC-DC Dynamic Order-Reduced Modeling Method and Damping Enhancement Strategy Based on Improved ERAG
by Bo Zhou, Xinwei Sun, Wei Wei and Yunyang Xu
Electronics 2024, 13(24), 5044; https://doi.org/10.3390/electronics13245044 - 22 Dec 2024
Viewed by 376
Abstract
Decentralized control offers a more effective way to avoid the complexities and coordination challenges encountered in centralized control. In the decentralized design of additional controllers for multi-infeed DC transmission systems, it is crucial to focus on the interactions among the controllers. To solve [...] Read more.
Decentralized control offers a more effective way to avoid the complexities and coordination challenges encountered in centralized control. In the decentralized design of additional controllers for multi-infeed DC transmission systems, it is crucial to focus on the interactions among the controllers. To solve this problem, this paper primarily discusses an enhanced damping characteristic method for hybrid AC-DC systems based on an improved Effective Relative Gain Array (ERGA) index. Initially, feedback signals with better control effects on existing oscillation modes are pre-screened. Subsequently, the ERGA-based interaction index is utilized to pair these feedback signals with control locations, aiming to identify the optimal pairing scheme with the minimum index value, indicating the least interaction effect. This approach minimizes the mutual influence between loops and reduces adverse interactions among controllers. Simulations of multi-DC additional damping controllers designed using the multi-stage Linear Quadratic Regulator (LQR) method in a multi-DC system demonstrate that the optimal pairing scheme significantly outperforms both uncontrolled and poorly paired schemes in controlling low-frequency oscillations, thereby validating the optimality of the proposed method. Furthermore, various disturbances are introduced to verify the effectiveness and robustness of the proposed control strategy against low-frequency oscillations. Full article
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