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Advancements in Electric Motors, Drives, Power Converters and Related Systems,...
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Advancements in Electric Motors, Drives, Power Converters and Related Systems, 3rd Edition

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

Deadline for manuscript submissions: 15 August 2026 | Viewed by 854

Special Issue Editors

Dr. Ji Han

E-Mail Website
Guest Editor
College of New Energy, Harbin Institute of Technology at Weihai, Weihai 264200, China
Interests: wind power; artificial intelligence; power system operation
Special Issues, Collections and Topics in MDPI journals
Dr. Yaqi Shen

E-Mail Website
Guest Editor
School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Interests: wind power; power system dynamic stability; broadband oscillation
Special Issues, Collections and Topics in MDPI journals
Dr. Jian Qiao

E-Mail Website
Guest Editor
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071000, China
Interests: power system protection and control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Following the success of the First Edition (https://www.mdpi.com/journal/electronics/special_issues/AEMDPCRS_electronics) and the Second Edition (https://www.mdpi.com/journal/electronics/special_issues/QW1O07L8U5) of this Special Issue, in the Third Edition we continue to assist all those interested in the topic to promote their vision and ideas.

This Special Issue will include, but is not limited to, the application of electric motors, drives, power converters, and related systems to address the following areas:

  • power electronic-based power systems (peps);
  • power converters for mechanical, kinetic, and thermal heat sources;
  • all aspects of dc/dc, dc/ac, ac/ac, and ac/dc power converters;
  • ultra-low power consumption power converters;
  • energy harvesting and power converters;
  • power converters for new energy power generation systems;
  • optimal design for cost-effective power converter;
  • modulation and control techniques of motor drives;
  • enhancement of power density, efficiency, and reliability of motor drives;
  • performance evaluation of different motor drive topologies.

Dr. Ji Han
Dr. Yaqi Shen
Dr. Jian Qiao
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 250 words) can be sent to the Editorial Office for assessment.

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. Electronics 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 2400 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

  • electrical motors
  • power converters
  • electrical drives
  • power electronics
  • electric vehicles
  • industrial, commercial, and residential applications
  • power control system
  • power semiconductor devices
  • multilevel converters
  • fault diagnosis in electrical motors and drives
  • energy efficiency
  • electrical propulsion
  • wide-bandgap power electronic device

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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Further information on MDPI's Special Issue policies can be found here.

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Published Papers (2 papers)

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Research

27 pages, 8741 KB  
Article
Performance Enhancement of an Outer Rotor Brushless DC Scooter Motor Through Stator Optimization
by Berk Demirsoy and Mucahit Soyaslan
Electronics 2026, 15(7), 1478; https://doi.org/10.3390/electronics15071478 - 1 Apr 2026
Viewed by 317
Abstract
This study presents a stator-focused electromagnetic optimization of a 350 W, 27-slot, 30-pole outer-rotor brushless direct current (BLDC) motor developed for electric scooter applications. Unlike conventional redesign approaches that modify rotor topology or overall motor dimensions, the proposed methodology preserves the rotor structure [...] Read more.
This study presents a stator-focused electromagnetic optimization of a 350 W, 27-slot, 30-pole outer-rotor brushless direct current (BLDC) motor developed for electric scooter applications. Unlike conventional redesign approaches that modify rotor topology or overall motor dimensions, the proposed methodology preserves the rotor structure and external geometry of a commercially validated reference motor and improves performance primarily through targeted stator geometric refinement, with minor adjustments in the winding configuration. A two-stage optimization strategy combining parametric analysis and genetic algorithm (GA)-based multi-objective optimization is implemented to minimize cogging torque and torque ripple while maximizing efficiency. Finite element analyses (FEA) were conducted to evaluate back electromotive force (back-EMF) characteristics, magnetic flux density distribution, torque behavior, and current density. Experimental validation confirms a 54.86% reduction in cogging torque (from 257 mNm to 116 mNm), a 19.6% decrease in torque ripple, a 6.17% reduction in maximum current density, and a 2–3% improvement in efficiency within the nominal load range (5.2–6.45 Nm), reaching 85.69% efficiency at 350 W output power. The results demonstrate that systematic stator geometry optimization, supported by minor winding modifications, can significantly enhance efficiency, torque smoothness, and thermal margin without increasing motor size, rated power, or manufacturing complexity. This work provides a practical and manufacturable design pathway for high-performance outer rotor BLDC motors in light electric vehicle (LEV) propulsion systems. Full article
(This article belongs to the Special Issue Advancements in Electric Motors, Drives, Power Converters and Related Systems, 3rd Edition)
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28 pages, 5906 KB  
Article
Exponential Synergistic Adaptive Control for PV–Storage Grid-Forming Inverters to Eliminate Overdamped Hysteresis in Weak Grids
by Yu Ji, Zixuan Liu, Xin Gu, Chenze Huo, Zihan Zhang, Song Tang, Jun Mei and Can Huang
Electronics 2026, 15(6), 1273; https://doi.org/10.3390/electronics15061273 - 18 Mar 2026
Viewed by 338
Abstract
Traditional virtual synchronous generator (VSG) control in photovoltaic–storage systems struggles with severe dynamic deterioration under high-impedance weak grid conditions. Through small-signal modeling, this paper analytically reveals that increased grid inductance forces the system’s dominant poles to migrate significantly toward the real axis, inducing [...] Read more.
Traditional virtual synchronous generator (VSG) control in photovoltaic–storage systems struggles with severe dynamic deterioration under high-impedance weak grid conditions. Through small-signal modeling, this paper analytically reveals that increased grid inductance forces the system’s dominant poles to migrate significantly toward the real axis, inducing a critical “overdamped hysteresis” that degrades transient tracking speed and oscillation attenuation. To break these physical constraints, an improved exponential synergistic adaptive control strategy is proposed. By establishing a synergistic optimization mechanism between the virtual inertia and damping coefficients via a square-root coupled exponential function, the proposed method achieves precise multi-parameter coordination. During the initial phase of disturbances, it triggers an explosive parameter surge to provide “stiff” transient support, strictly limiting frequency deviations and the rate of change of frequency (RoCoF). During the recovery phase, it drives a precipitous parameter decay to actively neutralize the overdamped coupling effect, forcibly pulling the migrated poles back to the ideal underdamped region. Rigorous switching-model simulations demonstrate that, compared to conventional fixed-parameter and power function-based adaptive methods, the proposed synergistic strategy significantly improves transient performance. Quantitatively, during load steps, it restricts the frequency nadir to 49.85 Hz (compared to 49.73 Hz for fixed parameters). During extreme grid stiffness transitions (SCR drops), it completely eliminates active power tracking hysteresis by reducing the settling time to just 0.26 s and aggressively clamps AC overcurrent peaks from 38 A down to 31 A. Supported by coordinated PV–storage energy management, the proposed method offers a highly robust grid-forming framework for renewable-dominated weak power grids. Supported by coordinated PV–storage energy management, the proposed method offers a highly robust grid-forming framework for renewable-dominated weak power grids. Full article
(This article belongs to the Special Issue Advancements in Electric Motors, Drives, Power Converters and Related Systems, 3rd Edition)
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