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Recent Studies in Power Electronic Devices and Applications

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F3: Power Electronics".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 4163

Special Issue Editors


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Guest Editor
College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Interests: power electronics; power semiconductor devices; insulated gate bipolar transistors; MOSFET; finite element analysis; reliability; multi-physics modeling; thermal modeling

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Guest Editor
Research and Development Center, Zhuzhou CRRC Times Semiconductor Ltd., Zhuzhou 412000, China
Interests: power semiconductor devices; insulated gate bipolar transistors; power bipolar transistors; power semiconductor diodes; finite element analysis; semiconductor device reliability; wide band gap semiconductors; invertors

Special Issue Information

Dear Colleagues,

The Guest Editor is inviting submissions to a Special Issue of Energies on the subject area of “Recent Studies in Power Electronic Devices and Applications”. Power semiconductor devices, essentially important for the efficient use of electric power systems, are rapidly continuing its advance in recent years. Extensive research has been done in the last decade in academia on many aspects, which is reflected in many emerging and re‐emerging fields such as emerging wide‐bandgap devices, device modeling, device lifetime and reliability, thermal network modeling, high‐density packaging, gate driving circuits and advanced snubber circuits.

This Special Issue will deal with novel power semiconductor devices and their key application techniques. Topics of interest for publication include, but are not limited to:

  • Novel power semiconductor devices;
  • Wide‐bandgap devices;
  • Power semiconductor device modeling;
  • Lifetime prediction of power devices;
  • Thermal modeling of power devices;
  • Advanced packing techniques;
  • Advanced gate driving techniques;
  • Snubber circuits;
  • Thermal management and health monitoring;

Prof. Dr. Xin Yang
Prof. Dr. Guoyou Liu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • power semiconductor devices
  • modeling
  • reliability
  • packaging
  • conditon monitoring

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Published Papers (2 papers)

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Research

28 pages, 12324 KiB  
Article
Commutation Behavior and Stray Inductance Analysis of a FC-3L-BDC Phase-Leg PEBB
by Haitao Liu, Shunmeng Xie, Zechun Dou, Yu Qi, Feng Liu and Yifan Tan
Energies 2022, 15(24), 9651; https://doi.org/10.3390/en15249651 - 19 Dec 2022
Cited by 1 | Viewed by 1865
Abstract
The bidirectional dc-dc converter is a critical component for extending the use of renewable energy and improving the efficiency of high-power electronic systems. This paper presents the analysis of the stray inductance of a commutation loop and the commutation behavior of IGBT devices [...] Read more.
The bidirectional dc-dc converter is a critical component for extending the use of renewable energy and improving the efficiency of high-power electronic systems. This paper presents the analysis of the stray inductance of a commutation loop and the commutation behavior of IGBT devices in a flying capacitor three-level bidirectional DC-DC converter (FC-3L-BDC) phase-leg power electronic building block (PEBB). An FC-3L-BDC phase-leg PEBB was designed as an example, which can be used to build 400 kW to MW-grade light rail train chargers, battery energy storage interface converters, or metro regenerative braking energy recovery converters with a single PEBB or several PEBBs interleaved parallel. In order to optimize the stray inductance of commutation paths and realize snubberless operation, a five-layer laminated bus bar was carefully designed, and the stray inductance of the bus bar was extracted by three-dimensional finite element analysis simulation. To obtain higher accuracy, the stray inductances of IGBT devices and capacitors were extracted from the test instead of their datasheets. Then, the accuracy of the commutation loop stray inductance analysis method was verified by practical experiments. The impact of the stray inductance of the commutation loop on the commutation behavior of IGBT devices was analyzed, and the switching characteristics of IGBT devices were measured under maximum DC-link voltage and entire current rating range at the temperatures of −40 °C, 25 °C, and 150 °C, respectively, finding that neither the excessive turn-off overvoltage of IGBTs nor the snappy reverse recovery of FWDs was observed. Full article
(This article belongs to the Special Issue Recent Studies in Power Electronic Devices and Applications)
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17 pages, 5190 KiB  
Article
Investigation on C and ESR Estimation of DC-Link Capacitor in Maglev Choppers Using Artificial Neural Network
by Xiaoyu Chen, Xin Yang and Yue Zhang
Energies 2022, 15(22), 8564; https://doi.org/10.3390/en15228564 - 16 Nov 2022
Cited by 2 | Viewed by 1689
Abstract
The reliability of capacitors is one of the most important issues in power electronics. The health status of capacitors can be evaluated through the comparison of estimated C/ESR values with their original values. In this paper, a two-input artificial neural network (ANN) is [...] Read more.
The reliability of capacitors is one of the most important issues in power electronics. The health status of capacitors can be evaluated through the comparison of estimated C/ESR values with their original values. In this paper, a two-input artificial neural network (ANN) is proposed for C and ESR estimation of DC-link capacitors in Maglev choppers; combined with the existing voltage and current sensors that are used for protection and control, it provides a promising solution for the health condition monitoring of the Maglev chopper in the Maglev train. Compared with prior-art research, the actual capacitor degradation progress where both C and ESR degrade is considered in training. Moreover, ANN’s advantage of fitting nonlinear and complex relationships is explored by building an aggressive mapping between the voltage ripple at 5 kHz to C/ESR at 120 Hz, which cannot be described or analyzed by linear circuit equations. Thus, cross validation must be implemented to avoid an occasional poor fitting, and ensure the stability of ANN. Experimental results show that the proposed ANN outperforms the support vector regression in both ESR and C estimation. While C estimation suffered from over-fitting and instability, ESR estimation by the ANN is accurate and stable with a low average prediction error within 1%, showing great potential for condition monitoring of DC-link capacitors in Maglev choppers. Full article
(This article belongs to the Special Issue Recent Studies in Power Electronic Devices and Applications)
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