2021 IEEE Applied Power Electronics Conference and Exposition (APEC)最新文献_第6页

High Frequency Three–level Inverter–based Inductive Wireless Power Transfer (IWPT) System with Double LCC Resonance 基于高频三电平逆变器的双LCC共振感应无线输电系统

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487225

Tian Luo, T. Mishima, Ching-Ming Lai

{"title":"High Frequency Three–level Inverter–based Inductive Wireless Power Transfer (IWPT) System with Double LCC Resonance","authors":"Tian Luo, T. Mishima, Ching-Ming Lai","doi":"10.1109/APEC42165.2021.9487225","DOIUrl":"https://doi.org/10.1109/APEC42165.2021.9487225","url":null,"abstract":"This paper presents an inductively coupled wireless power transfer (IWPT) system with a new circuit topology featuring three level high frequency inverter (TLHF– INV) and double LCC compensation tank. Different from a conventional IWPT system, this system provides phase shift pulse–width–modulation (PS–PWM) for output power control. Since this system targets an EV charging application, accordingly its operation frequency is defined in 85 kHz by Society of Automotive Engineers (SAE). The proposed IWPT system is analyzed by the state space equations for proving its Lyapunov stability and its anti–interference capability on simulation is given with various load value. The soft switching conditions are discussed such as zero voltage turn–on in outer switches and complete zero current switching in outer switches (Q1 and Q4). Moreover, a hybrid modulation method for tracking the ZCS at inner switches (Q2 and Q3) is mentioned. The performance of the proposed system which is designed for various load is investigated and evaluated by experiment. The experimental results reveal high conversion efficiency and certain loss reduction with variable frequency VFPS–PWM.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74675303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Applying Mode Exchange to High Step-Down Converter to Obtain Wide Input Voltage Range 将模式交换应用于高降压变换器以获得宽输入电压范围

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487426

Y. Yau, C. W. Wang, K. Hwu

{"title":"Applying Mode Exchange to High Step-Down Converter to Obtain Wide Input Voltage Range","authors":"Y. Yau, C. W. Wang, K. Hwu","doi":"10.1109/APEC42165.2021.9487426","DOIUrl":"https://doi.org/10.1109/APEC42165.2021.9487426","url":null,"abstract":"This paper presents a non-isolated high step-down converter with switching zero voltage switching (ZVS). Compared with the traditional buck converter, in addition to using the duty cycle to determine the voltage gain, the proposed converter also use coupled inductors to achieve relatively high step-down voltage gain. In automotive electronics and telecommunications applications, the input voltage may instantaneously change. As the input voltage increases, the efficiency of the high step-down converter will be decreased. In order to overcome this problem, this paper presents a wide input voltage range for this converter. Based on the input voltage, changing the circuit topology provides a suitable voltage gain and hence obtains a relatively suitable duty cycle. Accordingly, the converter operating under the most load over a wide input voltage range can perform relatively good efficiency. In addition, the leakage inductance energy can be recovered to reduce switch voltage spikes. The protype circuit, with input voltage of 18-54V, output voltage of 2.5V and output current of 10A, is employed to demonstrate the effectiveness of the proposed control strategy.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73420729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phase-Shedding Control Scheme for Wide Voltage Range Operation of Extended-Duty-Ratio Boost Converter 扩展占空比升压变换器宽电压范围工作的减相控制方案

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487308

Ankul Gupta, R. Ayyanar, S. Chakraborty

{"title":"Phase-Shedding Control Scheme for Wide Voltage Range Operation of Extended-Duty-Ratio Boost Converter","authors":"Ankul Gupta, R. Ayyanar, S. Chakraborty","doi":"10.1109/APEC42165.2021.9487308","DOIUrl":"https://doi.org/10.1109/APEC42165.2021.9487308","url":null,"abstract":"In this paper, a phase shedding control scheme for extended-duty-ratio (EDR) boost converter is proposed to achieve wide input and output voltage range operation of the converter. EDR converters can achieve very high gain, for example above 20 for a 4-phase converter, but have limitations on the lowest allowable gain. The proposed scheme allows operation at gain as low as unity while retaining the main benefits of EDR boost such as low voltage stress across switches. The phase shedding control can be optimized based on the application requirements. In this paper, the phase shedding control is optimized for low device voltage stress over wide input and output voltage range operation. The converter control implementation is discussed in detail. The control scheme is verified with a 4-phase EDR boost converter with input voltage varying between 20 V–40 V and output voltage ranging between 50 V–400 V. Experimental results of closed loop operation with adaptive PI controller are presented and the phase shedding scheme is verified by showing the transition from one configuration to another based on the converters varying gain.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79339585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Distributed Unbalanced Voltage Suppression in Bipolar DC Microgrids with Smart Loads 智能负载下双极直流微电网的分布式不平衡电压抑制

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487360

Javad Khodabakhsh, G. Moschopoulos

引用次数: 3

Maximizing Efficiency while maintaining Voltage Regulation of Wireless Power Transfer Systems using a Buck-Boost Converter 最大限度地提高效率，同时保持使用降压转换器的无线电力传输系统的电压调节

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487035

Arpan Laha, P. Jain

引用次数: 3

A Hybrid Active Neutral-Point-Clamped Converter for Medium-Voltage High-Power applications using Si and SiC devices 采用硅和碳化硅器件的中压大功率应用的混合有源中点箝位变换器

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487189

Satish Belkhode, A. Shukla, S. Doolla

{"title":"A Hybrid Active Neutral-Point-Clamped Converter for Medium-Voltage High-Power applications using Si and SiC devices","authors":"Satish Belkhode, A. Shukla, S. Doolla","doi":"10.1109/APEC42165.2021.9487189","DOIUrl":"https://doi.org/10.1109/APEC42165.2021.9487189","url":null,"abstract":"Recently introduced Silicon carbide (SiC) devices have significantly improved the performance of the power electronic converters. These devices are able to provide higher power density with high efficiency compared to the Silicon (Si) devices. In this paper, the topology based on Si IGBTs and SiC MOSFETs is proposed to achieve high efficiency with reduced cost. The proposed converter achieves zero current switching of Si IGBTs for all power factor values using the selected switching states in the proposed modulation scheme. Therefore, high efficiency can be obtained even at high switching frequency operation for wide range of operating conditions. Additionally, the utilization of the SiC MOSFETs further reduces the switching losses. Moreover, the conduction losses of the SiC MOSFETs are minimized by strategically selecting the switching states in such a way that SiC MOSFETs conduct in parallel conduction paths during the null state operation. This paper presents the detailed operating principle of the proposed topology using the presented modulation scheme. Further, a switching loss analysis is presented to evaluate the conduction and switching losses of the proposed topology. Moreover, the experimental results are presented to demonstrate the basic operating principle of the proposed topology. Finally, the efficiency values of the proposed topology are compared with the existing topologies for different operating conductions.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84388135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Efficiency optimization of double-sided LCC topology for inductive power transfer systems 感应输电系统双面LCC拓扑效率优化

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487207

V. Nguyen, Van-Binh Vu, G. Gohil, B. Fahimi

引用次数: 5

Evaluation of SiC MOSFETs for Solid State Circuit Breakers in DC Distribution Applications 直流配电中固态断路器用SiC mosfet的评价

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487070

L. Ravi, D. Dong, R. Burgos, Xiaoqing Song, P. Cairoli

引用次数: 5

Deep Deterministic Gradient Policy (DDGP) Reinforcement Learning Assisted Degradation-Aware Control of Solid-State Transformer 深度确定性梯度策略(DDGP)强化学习辅助固态变压器退化感知控制

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487287

M. Haque, Seungdeog Choi

{"title":"Deep Deterministic Gradient Policy (DDGP) Reinforcement Learning Assisted Degradation-Aware Control of Solid-State Transformer","authors":"M. Haque, Seungdeog Choi","doi":"10.1109/APEC42165.2021.9487287","DOIUrl":"https://doi.org/10.1109/APEC42165.2021.9487287","url":null,"abstract":"The reliability of semiconductor switches is significant in power electronics systems. It is especially critical with solid-state transformer (SST) due to its safety- and mission-critical applications, including in-vehicle charging or power-grid interfaces. The traditional controller commonly requires an accurate mathematical model. However, such a traditional setting changes due to degradation and aging, adding extreme complexity and large uncertainty in a stability study. To address such uncertainty in increasingly complicated SST operations, in this paper, a deep deterministic gradient policy (DDGP) reinforcement learning (RL) assisted degradation-aware control of SST is proposed. The proposed controller will avoid complex mathematical modeling while ensuring optimal power transfer with an extended lifetime. The proposed actor-critic DDGP assisted controller learns and optimizes the phase-shift angle by evaluating the SST behavior under different input and health status. In this paper, an analytical background of DDGP and its application in a reliability integrated controller is provided along with a training environment. The validity of the proposed controller is validated by 5kW cascode GaN FET-based SST prototype.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85117169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modeling and Design of a 6-Phase Ultra-High-Speed Machine for ELF/VLF Wireless Communication Transmitter ELF/VLF无线通信发射机六相超高速机的建模与设计

2021 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2021-06-14 DOI: 10.1109/APEC42165.2021.9487239

Md Nazmul Islam, Seundeog Choi

{"title":"Modeling and Design of a 6-Phase Ultra-High-Speed Machine for ELF/VLF Wireless Communication Transmitter","authors":"Md Nazmul Islam, Seundeog Choi","doi":"10.1109/APEC42165.2021.9487239","DOIUrl":"https://doi.org/10.1109/APEC42165.2021.9487239","url":null,"abstract":"This paper presents the modeling, design, and Multiphysics analysis of a 2000-W, 500000-rpm ultra-high-speed (UHS) machine for a mechanical-based antenna (AMEBA) application. The proposed machine will be utilized as a mechanical transmitter for extremely/very low frequency (0.3-3 kHz) communication, which will immediately enable the bidirectional communication between the earth surface to underground or undersea facilities. The design of a UHS machine for AMEBA application presents several special challenges because it requires a high shaft torque at UHS operation. Also, the UHS machine necessitates a high design-safety-margin to avoid any catastrophic failure at the UHS operation. However, a conventional 3-phase UHS machine cannot meet the torque requirement, thermal limit, structural integrity, and fails to provide enough safety margin at UHS operation. To overcome this limitation, this paper presents the design of a high-power UHS machine, which utilizes a multi- phase winding configuration and special materials to improve the torque density and the design-safety-margin. The machine geometry and design parameters are optimized using a Multiphysics loss minimization approach. The proposed design and its performance are analyzed using extensive finite element analysis (FEA). It is observed that the proposed design meets the electromagnetic, thermal, structural, and Rotordynamic performance with a greater design-safety-margin. Finally, a prototype of the proposed machine is developed and its performances (back-EMF and natural frequencies) are experimentally validated.","PeriodicalId":7050,"journal":{"name":"2021 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85247853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2