2016 IEEE Applied Power Electronics Conference and Exposition (APEC)最新文献_第4页

A 5 MHz, 12 V, 10 A, monolithically integrated two-phase series capacitor buck converter 5mhz, 12v, 10a，单片集成两相串联电容降压变换器

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467853

P. Shenoy, Orlando Lazaro, R. Ramani, Mike Amaro, W. Wiktor, J. Khayat, B. Lynch

引用次数: 41

A fault-tolerant topology of T-Type NPC inverter with increased thermal overload capability 一种增加热过载能力的t型NPC逆变器容错拓扑

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468002

Jiangbiao He, N. Weise, Lixiang Wei, N. Demerdash

引用次数: 14

A digital implementation for PWM phase-frequency synchronization in SMPS systems SMPS系统中PWM相频同步的数字实现

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468090

Luca Bizjak, E. Bodano, A. Gotovac, Sergii Tkachov

{"title":"A digital implementation for PWM phase-frequency synchronization in SMPS systems","authors":"Luca Bizjak, E. Bodano, A. Gotovac, Sergii Tkachov","doi":"10.1109/APEC.2016.7468090","DOIUrl":"https://doi.org/10.1109/APEC.2016.7468090","url":null,"abstract":"This paper describes a novel concept of PWM phase and frequency synchronization. This approach applies for digitally controlled switched mode power supplies (SMPS) which need to regulate the switching frequency externally. One of the well-known advantages of having a system with a controllable switching behavior is the mitigation of the Electromagnetic Interference (EMI), which leads to the system cost reduction as a smaller input filter is required. The proposed solution overcomes analog and digital state of the art drawbacks such as limitation of the synchronization frequency range, susceptibility to noise and glitches, undesired overshoots/undershoots on the output voltage and the tuning of the IC digital clock which leads to an over-constrained design. In order to confirm the synchronization performance the proposed solution is implemented as part of an SMPS controller integrated in a 130nm BCD (Bipolar-CMOS-DMOS) technology. The output voltage over/under-shoot caused by an abrupt frequency synchronization change has been analyzed and measured. The frequency and phase settling time have been characterized with respect to various configurations. The robustness against synchronization frequency and phase noise has been measured for different noise levels.","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":"129118350","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

Four new applications of Second-Order Generalized Integrator Quadrature Signal Generator 二阶广义积分器正交信号发生器的四种新应用

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468173

Zhen Xin, Rende Zhao, Xiongfei Wang, P. Loh, F. Blaabjerg

引用次数: 8

Control scheme for TRIAC dimming high PF single-stage LED driver with adaptive bleeder circuit and non-linear current reference 具有自适应放光电路和非线性基准电流的可控硅调光高PF单级LED驱动器控制方案

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467965

WeiZhong Ma, Xiaogao Xie, Yang Han, Hao Deng

{"title":"Control scheme for TRIAC dimming high PF single-stage LED driver with adaptive bleeder circuit and non-linear current reference","authors":"WeiZhong Ma, Xiaogao Xie, Yang Han, Hao Deng","doi":"10.1109/APEC.2016.7467965","DOIUrl":"https://doi.org/10.1109/APEC.2016.7467965","url":null,"abstract":"Control scheme for TRIAC dimming high PF single-stage LED driver with adaptive bleeder circuit and nonlinear current reference is studied in this paper. The target of the control scheme is to achieve high efficiency and high compatibility to different kinds of TRIAC dimmers. The control scheme includes adaptive bleeder circuit control, operation modes control, non-linear current reference and output current estimation. The adaptive bleeder circuit regulates the bleeder current according to the phase angle to reduce the loss. The driver operates in boundary conduction model under large phase angle for achieving high efficiency and operates in discontinuous conduction mode with adaptive off-time control for frequency limitation. In order to achieve wide dimming angle, a non-linear current reference circuit is proposed. The output current estimation circuit is applied to estimate the output current so that the switch can be driven directly. Three topologies of TRIAC dimmable driver including floating buck, floating buck-boost and flyback with proposed control schemes are presented in this paper. Detailed theoretical analysis and optimal design considerations are presented. Finally, a 63V/135mA LED driver prototype based on floating buck-boost topology with the proposed control scheme was built up. High dimmer compatibility has been achieved.","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":"121386691","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

Mechanism analysis and mitigation of instability in grid-connected Voltage Source Inverter with LCL filters based on terminal impedance 基于终端阻抗的LCL滤波器并网电压源逆变器失稳机理分析及抑制

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468182

Teng Liu, Zeng Liu, Jinjun Liu, Qingyun Dou

{"title":"Mechanism analysis and mitigation of instability in grid-connected Voltage Source Inverter with LCL filters based on terminal impedance","authors":"Teng Liu, Zeng Liu, Jinjun Liu, Qingyun Dou","doi":"10.1109/APEC.2016.7468182","DOIUrl":"https://doi.org/10.1109/APEC.2016.7468182","url":null,"abstract":"Grid-connected Voltage Source Inverter (VSI) with LCL filters, controlled by proportional-resonant compensator, is very popular in utility application for its better power quality feature, while it is prone to instability especially under weak grid condition. This paper deals with this issue utilizing the terminal impedances of the inverter and the grid. Firstly, the instability mechanism is revealed by modeling the inverter output impedance, and it is observed that the item, contributing to the instability, is a sudden peak in the magnitude of the inverter output admittance. Moreover, it is found that this peak is inevitable, and is introduced by a stable designed inverter with high current control loop bandwidth. Secondly, to dampen out this peak for mitigating the instability, a novel control method based on adding lag compensator directly into the current control loop is proposed without extra needs on the current and voltage sensors. Lastly, the effectiveness of the proposed instability mitigation scheme is verified both by the simulation and experimental results.","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":"121390730","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

Evaluation of PV frequency-watt function for fast frequency reserves 快速频率储备的PV频率-瓦特函数评价

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468132

J. Neely, J. Johnson, J. Delhotal, S. Gonzalez, M. Lave

{"title":"Evaluation of PV frequency-watt function for fast frequency reserves","authors":"J. Neely, J. Johnson, J. Delhotal, S. Gonzalez, M. Lave","doi":"10.1109/APEC.2016.7468132","DOIUrl":"https://doi.org/10.1109/APEC.2016.7468132","url":null,"abstract":"Increasing the penetration of distributed renewable sources, including photovoltaic (PV) sources, poses technical challenges for grid management. The grid has been optimized over decades to rely upon large centralized power plants with well-established feedback controls, but now non-dispatchable, renewable sources are displacing these controllable generators. By programming autonomous functionality into distributed energy resources-in particular, PV inverters-the aggregated PV resources can act collectively to mitigate grid disturbances. This paper focuses on the problem of frequency regulation. Specifically, the use of existing IEC 61850-90-7 grid support functions to improve grid frequency response using a frequency-watt function was investigated. The proposed approach dampens frequency disturbances associated with variable irradiance conditions as well as contingency events without incorporating expensive energy storage systems or supplemental generation, but it does require some curtailment of power to enable headroom for control action. Thus, this study includes a determination of the trade-offs between reduced energy delivery and dynamic performance. This paper includes simulation results for an island grid and hardware results for a testbed that includes a load, a 225 kW diesel generator, and a 24 kW inverter.","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":"116374026","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

Bidirectional magnetically coupled T-Source Inverter for extra low voltage application 用于特低电压应用的双向磁耦合t源逆变器

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468275

T. Baier, B. Piepenbreier

引用次数: 2

A 1 MHz bi-directional soft-switching DC-DC converter with planar coupled inductor for dual voltage automotive systems 一种用于双电压汽车系统的带平面耦合电感的1mhz双向软开关DC-DC变换器

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7467908

Chenhao Nan, R. Ayyanar

引用次数: 18

Effect of grid inductance on grid current quality of parallel grid-connected inverter system with output LCL filter and closed-loop control 输出LCL滤波闭环并联并网逆变器系统中电网电感对电网电流质量的影响

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI: 10.1109/APEC.2016.7468242

W. Choi, Woongkul Lee, B. Sarlioglu

引用次数: 6