2018 IEEE Applied Power Electronics Conference and Exposition (APEC)最新文献

Quasi-resonant flyback converter with new valley voltage detection mechanism 具有新型谷电压检测机构的准谐振反激变换器

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341098

Wei-Chia Wu, T. Liang, Kai-Hui Chen, Cheng-Yuan Li

引用次数: 4

Duty phase shift technique for extended-duty-ratio boost converter for reducing device voltage stress over wider operating range 扩展占空比升压变换器的占空移相技术，在更宽的工作范围内减小器件电压应力

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341322

Jinia Roy, R. Ayyanar

{"title":"Duty phase shift technique for extended-duty-ratio boost converter for reducing device voltage stress over wider operating range","authors":"Jinia Roy, R. Ayyanar","doi":"10.1109/APEC.2018.8341322","DOIUrl":"https://doi.org/10.1109/APEC.2018.8341322","url":null,"abstract":"This paper proposes a modified duty phase shift technique for an M-phase extended-duty-ratio (EDR) boost converter to facilitate the inherent current sharing property and reduced voltage stress on the switching devices of the EDR converter over wider operating region. With conventional phase shift of (360/M)° among the operating phases, a reduced voltage stress and inherent current share between the interleaved boost phases is only possible for the operating region of duty ratio given by (M − 1)/M ≤ D ≤ 1, with a minimum gain of M2. However, for a wide range of input-output application with the need of extended range of voltage conversion gain, the converter will operate over broader duty ratio range. With the proposed duty phase shift technique, the advantages of EDR converter of inherent current sharing and reduced voltage stress on the active devices can be restored over wider operating range allowing a minimum gain of 2 M. The method is validated with extensive simulation results from multi-phase EDR boost and experimental results from a 250 W 3-phase EDR boost with GaN-based hardware prototype operating at 200 kHz switching frequency.","PeriodicalId":113756,"journal":{"name":"2018 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114807061","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: 5

Performance evaluation of single-phase transfomer-less PV inverter topologies 单相无变压器光伏逆变器拓扑性能评价

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341568

Jinia Roy, Yinglai Xia, R. Ayyanar

引用次数: 9

Two-degree-of-freedom admittance-type droop control for plug-and-play DC microgrid 即插即用直流微电网的二自由度导纳式下垂控制

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341580

Zheming Jin, Josep M. Guerreros

引用次数: 6

Active power decoupling method based on dual buck circuit with model predictive control 基于双降压电路模型预测控制的有功功率解耦方法

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341541

Shunlong Xiao, Xiao Li, Haiyu Zhang, R. Balog

{"title":"Active power decoupling method based on dual buck circuit with model predictive control","authors":"Shunlong Xiao, Xiao Li, Haiyu Zhang, R. Balog","doi":"10.1109/APEC.2018.8341541","DOIUrl":"https://doi.org/10.1109/APEC.2018.8341541","url":null,"abstract":"Single phase inverter and rectifier systems have double line frequency ripple power which is inherent to the ac-side of the circuit but adversely affects the dc-side performance. Typically, an aluminum electrolytic capacitors is placed at the dc side to absorb this power ripple, but reduces the power density and reliability of the converter. Therefore, active decoupling methods have been proposed in the literature to transfer the ripple power to smaller storage components by extra switches to the converter. However, the existing active power circuits are mostly composed of half bridge circuit, which has inherent shoot-through potential problem and could degrade the system reliability. Moreover, the existing active power decoupling methods are normally implemented through predetermined voltage of storage component using conventional PI control method, which limits the decoupling dynamic performance of the system. In this paper, a novel active power decoupling method based on dual buck circuit and model predictive control is proposed. The dual buck circuit is composed of two separate buck converters operating in each half cycle and two split small dc-link capacitors to eliminate the dc-link voltage ripple. The topology is free of shoot-through and deadtime concern and the control is independent with that of the main power stage circuit, which makes the design simpler and more reliable. By applying model predictive control, the proposed control strategy is proved to have good dynamic performance by both simulation and experimental results.","PeriodicalId":113756,"journal":{"name":"2018 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130886161","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: 9

An improved hierarchy and autonomous control for DC microgrid based on both model predictive and distributed droop control 一种基于模型预测和分布式下垂控制的改进的直流微电网层次自治控制方法

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341579

Shunlong Xiao, R. Balog

{"title":"An improved hierarchy and autonomous control for DC microgrid based on both model predictive and distributed droop control","authors":"Shunlong Xiao, R. Balog","doi":"10.1109/APEC.2018.8341579","DOIUrl":"https://doi.org/10.1109/APEC.2018.8341579","url":null,"abstract":"Direct-current (dc) microgrids (MG), consisting of distributed renewable energy units and energy storage units, is expected to be the key enabling of future smart grid. The intermittent nature of renewable-energy units, coupled with the unpredictable changes in the load, requires the energy storage units compensate the fluctuating generated power and to regulate the dc-bus voltage. However, the energy storage units may not be always available, each energy unit converter should be able to switch between two different modes: current course converter to generate/consume power or voltage source converter to regulate the bus voltage. To address these two main challenges, a novel autonomous algorithm consisting of two layers of control is proposed, achieving good system dynamic, seamless transfer and decoupling performances. The primary layer control for each energy unit is based on model predictive current control, realizing free controller design and decoupled play & plug feature. Therefore, these energy units can be easily connected to the dc bus without affecting the operation of other converters. The secondary layer control based on a proposed distributed droop control determines the operation modes for each converter, either to be current source converter (CSC) or voltage source converter (VSC). The feasibility and effectiveness of the proposed control algorithm was verified under various case studies on dSPACE 1007 real-time simulation platform.","PeriodicalId":113756,"journal":{"name":"2018 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122188622","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

Quasi two-level PWM operation of a nine-arm modular multilevel converter for six-phase medium-voltage motor drives 用于六相中压电机驱动的九臂模块化多电平变换器的准两电平PWM操作

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341237

M. Diab, G. Adam, B. Williams, A. Massoud, Shehab Ahmed

{"title":"Quasi two-level PWM operation of a nine-arm modular multilevel converter for six-phase medium-voltage motor drives","authors":"M. Diab, G. Adam, B. Williams, A. Massoud, Shehab Ahmed","doi":"10.1109/APEC.2018.8341237","DOIUrl":"https://doi.org/10.1109/APEC.2018.8341237","url":null,"abstract":"This paper proposes a hybrid converter for medium-voltage six-phase machine drive systems that mixes the operation of a traditional two-level voltage-source inverter and the modular multilevel converter (MMC) to enable operation over a wide frequency range. Topologically, the proposed converter consists of nine arms resembling two sets of three-phase MMCs with three common arms, yielding a nine-arm MMC with a 25% reduction in the number of employed arms compared to a traditional dual three-phase MMC. The multilevel property of a standard MMC is emulated in the proposed converter, however on a two-level basis, resulting in a stepped two-level output voltage waveform. The proposed converter has a reduced footprint with advantages of small voltage steps, modular structure, and ease of scalability. Further, it is able to drive high-power six-phase machines within low operating frequencies at the rated torque. The operating principle of the converter is elaborated, and its modulation scheme is discussed. The features of the proposed converter are verified through simulations and experimentally.","PeriodicalId":113756,"journal":{"name":"2018 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"325 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122633713","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: 18

A carrier magnitude varying modulation for distributed static series compensator to achieve a maximum reactive power generating capability 一种用于分布式静态串联补偿器的载波变幅调制，以达到最大的无功发电能力

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341230

Yunting Liu, F. Peng

引用次数: 0

Reliability evaluation of an impedance-source PV microconverter 阻抗型光伏微变换器的可靠性评估

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341154

Yanfeng Shen, E. Liivik, F. Blaabjerg, D. Vinnikov, Huai Wang, A. Chub

引用次数: 6

Controlling the input impedance of constant power loads 控制恒功率负载的输入阻抗

2018 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2018-04-18 DOI: 10.1109/APEC.2018.8341600

Manuel Gutierrez, Peter A. Lindahl, A. Banerjee, S. Leeb

引用次数: 2