Chinese Journal of Electrical Engineering最新文献

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Suppression of Power Interaction Disturbances in Grid-Following Inverters Through the Grid-Forming Cooperative Strategy 通过成网合作策略抑制电网跟随逆变器功率交互干扰
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000142
Yongkang Chang;Xing Zhang;Ming Li;Xiangdui Zhan;Hua Geng
{"title":"Suppression of Power Interaction Disturbances in Grid-Following Inverters Through the Grid-Forming Cooperative Strategy","authors":"Yongkang Chang;Xing Zhang;Ming Li;Xiangdui Zhan;Hua Geng","doi":"10.23919/CJEE.2025.000142","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000142","url":null,"abstract":"The high penetration of renewable energy has led to the widespread emergence of weak grids, under which grid-following (GFL) inverters suffer from dynamic instability induced by phase-locked loops (PLL). Although reducing the bandwidth of the PLL can enhance system stability, it significantly degrades the ability of the inverter to reject power interaction disturbances. The inherent trade-off between the bandwidth of the PLL and its disturbance suppression capability are investigated. A cooperative strategy through a grid-forming (GFM) inverter to improve the robustness of GFL inverters without requiring hardware modifications is introduced. The simulation results validate that the proposed strategy effectively suppresses power interaction disturbances and enhances system stability under weak-grid scenarios.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"226-234"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077885","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Principle and Implementation of Temperature-Adaptive Active Gate Driver for SiC MOSFET Module SiC MOSFET模块温度自适应有源栅极驱动器的原理与实现
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000140
Menghao Li;Hao Li;Jie Ren;Sideng Hu;Xiangning He
{"title":"Principle and Implementation of Temperature-Adaptive Active Gate Driver for SiC MOSFET Module","authors":"Menghao Li;Hao Li;Jie Ren;Sideng Hu;Xiangning He","doi":"10.23919/CJEE.2025.000140","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000140","url":null,"abstract":"By integrating a temperature-adaptive function, an active gate driver (AGD) enhances the switching performance of silicon carbide (SiC) MOSFETs under varying temperature conditions. However, the lack of analytical expressions describing the coupling between AGD parameters and temperature variation limits the broader application of this method, particularly in SiC modules that exhibit complicated device transient behaviors. To address this challenge, a mathematical model of the transient behavior of an SiC module is developed to investigate the relationship among AGD parameters, junction temperature, and switching performance. The analysis reveals that the impact of temperature on switching performance is directly linked to the duration of each gate resistance. Accordingly, a temperature-adaptive AGD for SiC MOSFET modules is proposed. Online junction temperature monitoring is achieved using turn-on delay detection, and the duration of each gate's driving resistance is dynamically adjusted. The proposed temperature-adaptive AGD is validated experimentally using a commercial 1.2 kV/560 A SiC MOSFET at 600 V/200 A. Experimental results across a temperature range of 20°C to 100°C demonstrate that electrical stress variation remains within 15%, while loss variation does not exceed 10%.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"216-225"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077900","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overview of Magnetic Coupling Wireless Power Transfer Technology Based on Transmitter-only Control 基于仅发射机控制的磁耦合无线输电技术综述
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000134
Yanwei Jiang;Peizhen Xu;Xujian Shu;Jingjing Yang;Bo Zhang
{"title":"Overview of Magnetic Coupling Wireless Power Transfer Technology Based on Transmitter-only Control","authors":"Yanwei Jiang;Peizhen Xu;Xujian Shu;Jingjing Yang;Bo Zhang","doi":"10.23919/CJEE.2025.000134","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000134","url":null,"abstract":"Magnetic coupling wireless power transfer (MC-WPT) technology has garnered increasing attention owing to its development and the growing demand for applications. In MC-WPT systems, transmitter-only control requires only a closed-loop controller at the transmitter, which can help to reduce the weight, volume, cost, and complexity of the WPT receiver. Therefore, existing transmitter-only control schemes are comprehensively reviewed. Firstly, the fundamental operating principle of the MC-WPT transmitter-only control system is analyzed. Subsequently, WPT topologies employing transmitter-only control are analyzed. Building on this foundation, various transmitter-only control methods are systematically categorized, compared, and summarized in detail. Finally, the problems and challenges of transmitter-only control technology are discussed.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"78-100"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077897","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in Space Vector Modulation Techniques for Multilevel Inverters: A Comprehensive Review 多电平逆变器空间矢量调制技术的研究进展
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000146
Zifan Lin;Xinan Zhang;Jianguo Zhu;Wenxiang Du;Jiahan Ye;Yang Bai
{"title":"Advances in Space Vector Modulation Techniques for Multilevel Inverters: A Comprehensive Review","authors":"Zifan Lin;Xinan Zhang;Jianguo Zhu;Wenxiang Du;Jiahan Ye;Yang Bai","doi":"10.23919/CJEE.2025.000146","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000146","url":null,"abstract":"Space-vector modulation (SVM) is widely used in multilevel inverters because of its ability to improve DC bus utilization, reduce harmonic distortion, and enhance operational flexibility. However, the increasing complexity of multilevel inverter topologies, such as neutral-point clamped, cascaded H-bridge, and modular multilevel converters, presents challenges in terms of computational efficiency, neutral-point voltage balancing, and common-mode voltage suppression. A detailed review of SVM techniques is provided, including traditional methods and advanced variants such as carrier-based SVM, selective harmonic elimination SVM, and virtual SVM. Additionally, recent hybrid approaches that combine multiple strategies to address specific performance requirements are discussed. The findings highlight advancements in improving the modulation performance, reducing switching losses, and achieving better harmonic attenuation. A discussion of the future challenges and opportunities for multilevel inverter modulation strategies is concluded.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"63-77"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077898","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of Sensitivity Analysis Methods for Optimal Design Parameters of Motors 电机优化设计参数灵敏度分析方法综述
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000130
Xiaoyi Luo;Guangwei Liu;Bingchuan Xie;Longfei Zhu;Fengge Zhang
{"title":"Review of Sensitivity Analysis Methods for Optimal Design Parameters of Motors","authors":"Xiaoyi Luo;Guangwei Liu;Bingchuan Xie;Longfei Zhu;Fengge Zhang","doi":"10.23919/CJEE.2025.000130","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000130","url":null,"abstract":"Sensitivity analysis quantifies the extent to which design parameters affect output parameters using computational models. It assists designers in systematically comprehending the extent of the influence of design parameters on the performance of permanent magnet motors, and assumes an increasingly significant position in the optimized design of electric machines. The computational model of the motor is first introduced, followed by the elucidation of the sampling techniques employed for sensitivity analysis. Subsequently, the applicability of various sensitivity analysis approaches in motor design is thoroughly examined. The benefits of various sensitivity analysis techniques in motor optimization design are examined. Finally, the issues and challenges encountered by these methods in motor design are addressed while anticipating future trends in sensitivity analysis within the motor sector.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"114-135"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077886","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Load on Optimal Rotor Skew Angles for Minimum Torque Ripple in Interior and Surface PMSMs 负载对内、面永磁同步电机转矩脉动最小转子最佳斜倾角的影响
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000133
Shensheng Wang;Z. Q. Zhu;Dawei Liang
{"title":"Influence of Load on Optimal Rotor Skew Angles for Minimum Torque Ripple in Interior and Surface PMSMs","authors":"Shensheng Wang;Z. Q. Zhu;Dawei Liang","doi":"10.23919/CJEE.2025.000133","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000133","url":null,"abstract":"The influence of load conditions on the effectiveness of rotor skew in interior and surface permanent magnet synchronous machines (PMSMs) and the determination of the optimal skew angles for minimizing the on-load torque ripple are investigated. Herein, both continuous and stepped skews are considered. It is found that the effectiveness of the rotor skew depends on the load/electric loading and magnetic saturation and is generally inferior in interior PMSMs (IPMSMs) than in surface-mounted PMSMs (SPMSMs). The conventional skew angle, that is, the one on-load torque-ripple periodicity, works well in SPMSMs under light-load conditions. However, when SPMSMs are under heavy-load conditions with significant magnetic saturation or IPMSMs are under all load conditions, an optimal skew angle exists to simultaneously deliver a higher average torque and lower torque ripple than those obtained with the conventional skew angle. This is regardless of whether a continuous or stepped skew is applied. Therefore, a tradeoff between the optimal skew angle, torque production, torque ripple, and load conditions should be considered carefully when selecting skew strategies for different applications.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"188-206"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077895","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of Analysis Methods and Control Technologies for CLLC Resonant Converters CLLC谐振变换器分析方法与控制技术综述
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000131
Kai Sun;Kai Zhang;Huan Chen;Leheng Wang;Zengyang Liu
{"title":"Review of Analysis Methods and Control Technologies for CLLC Resonant Converters","authors":"Kai Sun;Kai Zhang;Huan Chen;Leheng Wang;Zengyang Liu","doi":"10.23919/CJEE.2025.000131","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000131","url":null,"abstract":"A CLLC converter is a high-frequency, high-efficiency, isolated bidirectional DC/DC converter that is widely used in DC microgrid applications. The typical topology and basic working principle of CLLC converters are introduced herein. Subsequently, both analysis methods and control technologies are reviewed. On the one hand, several steady-state analysis models are listed, consisting of a harmonic approximation-based model in the frequency domain and a state equation-based model in the time domain, and some initial dynamic models are also included. On the other hand, numerous new control technologies are presented for different targets, such as soft startup control methods from a safety perspective, synchronous rectification (SR) control methods for efficiency optimization, highly dynamic control methods for better performance, bidirectional switching control methods, and wide voltage gain control methods aimed at popular vehicle-to-grid (V2G) and electric vehicle (EV) charging application scenarios. Finally, the future evolution of CLLC resonant converters is discussed.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"1-16"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077889","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of Fault-Tolerant Permanent Magnet Synchronous Machine Design and Control for Future Aircraft Application 面向未来飞机应用的容错永磁同步电机设计与控制综述
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000139
Bo Wang;Yiwei Wang;Zeliang Zhang;Mi Tang;Gaurang Vakil;Tao Yang
{"title":"Review of Fault-Tolerant Permanent Magnet Synchronous Machine Design and Control for Future Aircraft Application","authors":"Bo Wang;Yiwei Wang;Zeliang Zhang;Mi Tang;Gaurang Vakil;Tao Yang","doi":"10.23919/CJEE.2025.000139","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000139","url":null,"abstract":"A guidance for preparing permanent magnet synchronous machines (PMSMs) that exhibit huge potential for applications in transportation electrification owing to their high power density and efficiency is provided. However, concerns remain regarding the use of conventional PMSMs for safety-critical aircraft systems. The failure modes of PMSMs in relation to their electrical, magnetic, and mechanical properties are reviewed. Failure tree analysis is used to list a series of independent faults. The corresponding fault diagnosis methods including model, signal processing, and artificial intelligence (AI)-based models are demonstrated separately. Moreover, state-of-the-art designs for fault-tolerant PMSMs are presented and suggested. Advanced control methods for machine failure scenarios are also discussed, which could potentially pave the way for post-fault aerospace operations. A case study of a fault-tolerant PMSM design is introduced, along with some post-fault operation mechanisms. All these efforts could improve the reliability and safety of PMSM for future aircraft applications.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"165-187"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077890","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Additive Manufacturing for Enhanced Electric Machine Performance 增强电机性能的增材制造
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000143
You Zhou;Christopher H. T. Lee
{"title":"Additive Manufacturing for Enhanced Electric Machine Performance","authors":"You Zhou;Christopher H. T. Lee","doi":"10.23919/CJEE.2025.000143","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000143","url":null,"abstract":"Additive manufacturing (AM) has emerged as a transformative technology in electric machine (EM) design and production, addressing critical challenges in power density, thermal management, and material utilization. This review systematically examines recent advancements in 3D-printed conductive and magnetic materials, process innovations, and topology optimization strategies. Case studies in aerospace, electric vehicles, and medical robotics have demonstrated AM's ability to reduce EM weight, improve torque density, and enable complex geometries, such as conformal cooling channels and lattice-structured rotors. Challenges, including residual-stress control, material standardization, and scalability, are critically analyzed. A roadmap for AM adoption in next-generation EMs is concluded, hybrid manufacturing and sustainable material development are emphasized.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"101-113"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077894","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research Progress on Functionally Graded Materials for Epoxy Insulators in HV GIL/GIS 高压GIL/GIS环氧绝缘子功能梯度材料研究进展
Chinese Journal of Electrical Engineering Pub Date : 2025-06-01 DOI: 10.23919/CJEE.2025.000145
Hang Yao;Boxue Du;Zehua Wang;Weiwei Li;Jianan Dong;Hucheng Liang
{"title":"Research Progress on Functionally Graded Materials for Epoxy Insulators in HV GIL/GIS","authors":"Hang Yao;Boxue Du;Zehua Wang;Weiwei Li;Jianan Dong;Hucheng Liang","doi":"10.23919/CJEE.2025.000145","DOIUrl":"https://doi.org/10.23919/CJEE.2025.000145","url":null,"abstract":"Gas-insulated transmission lines and switchgears (GILs/GISs) are essential components that constitute ultra-high-voltage power transmission and transformation systems. Epoxy-based insulators, as core components, experience significant electric field distortions and consequent flashover faults. Since the 1980s, researchers have focused on utilizing dielectric functionally graded materials (FGMs) to improve the electric field distribution of insulators. The key research on FGMs for GIL/GIS insulators over the past half-century is reviewed. The development from bulk-FGMs to surface-FGMs, and eventually to multi-FGMs are outlined. Bulk-FGMs are typically used in AC systems. These materials provide a more uniform electric field distribution by creating a gradient in the relative permittivity within the insulator's bulk. Surface-FGMs are commonly employed in DC systems, and they regulate the electric field by designing a surface conductivity gradient, thus preventing internal breakdowns that result from bulk conductivity gradients. In practice, GIL/GIS insulators are exposed to complex operating conditions, including AC, DC, and transient voltages, resulting in the development of multi-FGMs. These combine both conductivity and permittivity gradients, thus providing a comprehensive solution for suppressing both dynamic and static electric field distortions. An effective reference for researchers and industry professionals to support the transition of the research on FGM insulators from laboratory studies to practical engineering applications is provided.","PeriodicalId":36428,"journal":{"name":"Chinese Journal of Electrical Engineering","volume":"11 2","pages":"150-164"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11077893","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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