2016 IEEE Applied Power Electronics Conference and Exposition (APEC)最新文献_第5页

LLC converter with auxiliary switch for hold up mode operation 有限责任公司转换器与辅助开关保持模式操作

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468188

Yang Chen, Hongliang Wang, Yanfei Liu, J. Afsharian, Z. Yang

{"title":"LLC converter with auxiliary switch for hold up mode operation","authors":"Yang Chen, Hongliang Wang, Yanfei Liu, J. Afsharian, Z. Yang","doi":"10.1109/APEC.2016.7468188","DOIUrl":"https://doi.org/10.1109/APEC.2016.7468188","url":null,"abstract":"This paper proposes a new half bridge (HB) LLC resonant converter with pulse width modulated (PWM) auxiliary switch (sLLC converter) for hold-up mode operation. The proposed sLLC converter works with synchronous rectifier (SR), which is suitable for low output voltage applications. The magnetizing inductor can be designed with large value to reduce the circulation loss. In the proposed sLLC converter, the auxiliary switch and diode branch will provide charging path for the resonant inductor. For nominal 400V input, sLLC achieves same performance as conventional LLC converter, and all the good features such as soft switching are naturally retained. For slight input voltage fluctuation, frequency modulation is used to regulate the output voltage. When the input voltage drops further, HB switches will operate at constant minimum frequency, and the auxiliary switch will operate in PWM mode to energize the resonant inductor with 400V bus directly during hold up period, thus the output voltage can be maintained at desired level. To verify the effectiveness of the proposed sLLC converter, operational principle and equivalent circuit will be carefully explained and analyzed in this paper. A 300W prototype is built for 250V-400V input, 12V output application.","PeriodicalId":143091,"journal":{"name":"2016 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128116110","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: 6

A bidirectional single-stage three-phase rectifier with high-frequency isolation and power factor correction 具有高频隔离和功率因数校正的双向单级三相整流器

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467852

Bruno R. de Almeida, D. de Souza Oliveira, P. Praça

引用次数: 6

An autonomous power management strategy based on DC bus signaling for solid-state transformer interfaced PMSG wind energy conversion system 基于直流总线信令的固态变压器接口PMSG风能转换系统自主电源管理策略

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468353

Rui Gao, I. Husain, A. Huang

引用次数: 9

Inductance-simulating control for DFIG-based wind turbine to ride-through grid faults 基于dfig的风电机组通过电网故障的电感模拟控制

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468374

Donghai Zhu, X. Zou, Y. Kang, Lu Deng, Qingjun Huang

引用次数: 5

A 99% efficiency SiC three-phase inverter using synchronous rectification 采用同步整流的99%效率SiC三相逆变器

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468281

S. Yin, K. Tseng, C. Tong, R. Simanjorang, C. Gajanayake, A. Gupta

{"title":"A 99% efficiency SiC three-phase inverter using synchronous rectification","authors":"S. Yin, K. Tseng, C. Tong, R. Simanjorang, C. Gajanayake, A. Gupta","doi":"10.1109/APEC.2016.7468281","DOIUrl":"https://doi.org/10.1109/APEC.2016.7468281","url":null,"abstract":"The reactive power in power converter with inductive load (motor drive e.g.) requires a current commutation path for the freewheeling current. Due to the high voltage drop of body diode of SiC MOSFET, a SiC Schottky diode is normally recommended as the anti-parallel freewheeling diode for SiC MOSFET to suppress the conduction of body diode. However, since the MOSFET can work as synchronous rectifier, the freewheeling diode only conducts during the dead time, leading to a low utilization rate of device. In this work, the three-phase SiC inverter using synchronous rectification is investigated. The analytical model for inverter power loss with and without freewheeling diode is built. Based on the switching characterization, the inverter with synchronous rectification permits a surprising higher efficiency than that with freewheeling diode due to the reduced current overshoot at turn-on. And a 5 kW prototype of three-phase inverter is developed, which shows a 99% high efficiency at the switching frequency of 40 kHz. This work confirms the possibility to remove the freewheeling diode in SiC inverter without degrading the efficiency.","PeriodicalId":143091,"journal":{"name":"2016 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132053733","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: 26

Three phase converter with galvanic isolation based on Loss-Free Resistors for HB-LED lighting applications 基于无损耗电阻的三相电流隔离转换器，用于HB-LED照明应用

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467966

I. Castro, D. G. Lamar, M. Arias, J. Sebastián, M. Hernando

引用次数: 9

A hierarchical active balancing architecture for Li-ion batteries 锂离子电池的分层主动平衡结构

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468027

Handong Gui, Zhiliang Zhang, Dong-Jie Gu, Yang Yang, Zhou-Yu Lu, Yanfei Liu

引用次数: 10

Transverse Flux Machines with rotary transformer concept for wide speed operations without using Permanent Magnet material 横向磁通机与旋转变压器的概念，宽速度操作，不使用永磁材料

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467938

Iftekhar Hasan, Md Wasi Uddin, Y. Sozer

引用次数: 2

An equivalent circuit model for state of energy estimation of lithium-ion battery 锂离子电池能量状态估计的等效电路模型

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468359

Kaiyuan Li, K. Tseng

{"title":"An equivalent circuit model for state of energy estimation of lithium-ion battery","authors":"Kaiyuan Li, K. Tseng","doi":"10.1109/APEC.2016.7468359","DOIUrl":"https://doi.org/10.1109/APEC.2016.7468359","url":null,"abstract":"For a Li-ion battery based energy storage system, the state of energy is a key index for the energy management and operation optimization. In the actual Li-ion batteries based energy storage system in building environment, the varying load current will lead to the estimated battery's residual energy deviated from the real value. To solve this problem, an equivalent circuit model is presented for the Li-ion battery's state of energy estimation during and after discharging process. The state of energy is introduced in the proposed approach to replace the traditional index SOC, to describe the electrical behaviors and the residual energy of the Li-ion battery under dynamic load current conditions, so that the battery's internal energy loss on its internal resistance and during the electrochemical reaction processes, as well as the effects of the decrease of the OCV during discharging are taken into consideration. Experimental data of the previous study regarding energy efficiency of Li-ion batteries used as energy storage devices in building is utilized in the present study. Finally, the simulation results on 20 Ah LTO batteries indicate that the proposed equivalent circuit is competent to predict the state of energy accurately. What's more, state of energy appears an improvement over SOC in terms of accuracy in capturing battery's energy changes. Thus, this study provides a viable solution for estimating Li-ion battery's SOE and capturing the battery's energy behaviors under dynamic loads.","PeriodicalId":143091,"journal":{"name":"2016 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129997226","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: 19

COSS hysteresis in advanced superjunction MOSFETs 先进超结mosfet的损耗滞回

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467880

J. Fedison, M. Harrison

引用次数: 50