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Applied Sciences
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Emerging Trends in Power Electronic Converters for Energy Storage Applications
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Emerging Trends in Power Electronic Converters for Energy Storage Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 2328

Special Issue Editors

Prof. Dr. Jenn-Jong Shieh

E-Mail Website
Guest Editor
Department of Electrical Engineering, Feng Chia University, No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan
Interests: power electronics; motor and magnetic components design; transmission and distribution power systems design
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Kuo-Ing Hwu

E-Mail Website
Guest Editor
Department of Electrical Engineering, National Taipei University of Technology, 1, Sec. 3, Zhongxiao E. Rd. Taipei 10608, Taiwan
Interests: power electronics; converter topology; thermoelectric energy harvesting control; digital control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Emerging trends in power electronics signify a shift towards greater efficiency, miniaturization, and enhanced reliability. Semiconductor advancements, novel circuit topologies, and innovative control strategies are propelling the development of converters that redefine energy management in various applications. On the other hand, energy storage is now the linchpin of energy transition. With renewable energy sources like solar and wind gaining prominence, energy storage systems have emerged as critical components to address intermittency challenges. Power electronic converters serve as the linchpin connecting emerging trends, energy storage technologies, and diverse applications but also empower energy storage systems with the capability to respond dynamically to changing energy demands. As a result, energy storage applications across various sectors, from grid-scale solutions to portable electronics, are ushering in a more sustainable and efficient energy future.

Prof. Dr. Jenn-Jong Shieh
Prof. Dr. Kuo-Ing Hwu
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • battery energy storage system
  • renewable energy curtailment
  • power grid congestion
  • inverter-based renewable energy source
  • multilevel converter

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Published Papers (2 papers)

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Research

26 pages, 16111 KiB  
Article
Active Disturbance Rejection Control Combined with Improved Model Predictive Control for Large-Capacity Hybrid Energy Storage Systems in DC Microgrids
by Xinbo Liu, Jiangsha Chen, Yongbing Suo, Xiaotong Song and Yuntao Ju
Appl. Sci. 2024, 14(19), 8617; https://doi.org/10.3390/app14198617 - 24 Sep 2024
Viewed by 830
Abstract
In DC microgrids, a large-capacity hybrid energy storage system (HESS) is introduced to eliminate variable fluctuations of distributed source powers and load powers. Aiming at improving disturbance immunity and decreasing adjustment time, this paper proposes active disturbance rejection control (ADRC) combined with improved [...] Read more.
In DC microgrids, a large-capacity hybrid energy storage system (HESS) is introduced to eliminate variable fluctuations of distributed source powers and load powers. Aiming at improving disturbance immunity and decreasing adjustment time, this paper proposes active disturbance rejection control (ADRC) combined with improved MPC for n + 1 parallel converters of large-capacity hybrid energy storage systems. ADRC is utilized in outer voltage control loops, and improved MPC is employed in inner current control loops of n battery converters. Droop control is adopted to obtain power distribution between n battery converters, and a DC bus voltage compensator is used to compensate voltage deviations and maintain constant DC bus voltage. The low-pass filter (LPF) is adopted to obtain high-frequency power as the reference for the supercapacitor converter, ADRC is also utilized in the outer power control loop, and MPC is employed in the inner current control loop. Compared with traditional observers, the voltage expansion state observer of the proposed ADRC control is independent of the system model and parameters and consequently has strong disturbance immunity, and significantly reduces voltage overshoots during power fluctuations. The MPC-based inner current control loops of n + 1 converters accelerate current response speed and significantly decrease switching losses. Simulation and experimental results indicate that utilizing the proposed control strategies, large-capacity HESS has stronger anti-interference ability, shorter regulation time, smaller switching loss, and simultaneously maintains the stability of the DC bus voltage. Full article
(This article belongs to the Special Issue Emerging Trends in Power Electronic Converters for Energy Storage Applications)
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21 pages, 7483 KiB  
Article
Single-Stage Step-Down Power Factor Corrector without Full-Bridge Rectifier
by Kuo-Ing Hwu, Jenn-Jong Shieh and Yu-Ping He
Appl. Sci. 2024, 14(8), 3449; https://doi.org/10.3390/app14083449 - 19 Apr 2024
Viewed by 792
Abstract
In this paper, a single-stage step-down power factor corrector without a full-bridge rectifier is developed, which is designed to operate in discontinuous conduction mode (DCM). In terms of control, the DCM has the advantages of simple control and easy realization, no slope compensation, [...] Read more.
In this paper, a single-stage step-down power factor corrector without a full-bridge rectifier is developed, which is designed to operate in discontinuous conduction mode (DCM). In terms of control, the DCM has the advantages of simple control and easy realization, no slope compensation, zero current switching, and no diode reverse current. By sampling the output voltage and using the voltage-follower control to generate the necessary control force to drive the power switch, not only can the output voltage be stabilized at the desired value, but also the input current can be, as much as possible, in the form of a sinusoidal waveform and can follow the phase of the input voltage. Moreover, the harmonic distortion meets the requirements of the IEC6100-3-2 Class D harmonics standard, and, thus, the proposed rectifier is appropriate for the computer, computer monitor, and television receiver. Eventually, by means of mathematical deductions, simulations by PSIM version 9.1, and experimental results, the feasibility and effectiveness of the proposed circuit can be verified. Full article
(This article belongs to the Special Issue Emerging Trends in Power Electronic Converters for Energy Storage Applications)
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