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Triangular Current Mode for High Step Ratio Modular Multilevel DC-DC Converter 高阶跃比模块化多电平DC-DC变换器的三角形电流模式
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8558369
C. Pineda, J. Pereda, X. Zhang, F. Rojas
{"title":"Triangular Current Mode for High Step Ratio Modular Multilevel DC-DC Converter","authors":"C. Pineda, J. Pereda, X. Zhang, F. Rojas","doi":"10.1109/ECCE.2018.8558369","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8558369","url":null,"abstract":"DC networks have generated much interest in recent years, from transmission in high voltage to their use in distribution systems. One of the major challenges is to replace the high efficient and reliable ac transformer, especially at high voltage and step ratio. New resonant modular multilevel topologies have arisen as an alternative, mainly because of advantages such as optional use of transformers, natural voltage balance, simple control and soft-switching. However, this type of operation generates a high peak current, does not allow control of power flow in all power range and has a limited range of voltage variation. This paper proposes an asymmetrical triangular current mode applied in high step ratio Modular Multilevel dc-dc Converters that achieves bidirectional control of the power, soft-switching and a natural balance of the voltage in the capacitors. The simulation results show the bidirectional operation and the capacitor voltage balance of the converter under different operating conditions with high efficiency and low peak current compared to resonant mode. The proposal was tested in a down-scale prototype, confirming the operation principle.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124152232","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: 7
A Modeling Technique for Designing High-Frequency Three-Phase Common-Mode Inductors 高频三相共模电感的建模技术
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557974
Shotaro Takahashi, Satoshi Ogasawra, M. Takemoto, K. Orikawa, M. Tamate
{"title":"A Modeling Technique for Designing High-Frequency Three-Phase Common-Mode Inductors","authors":"Shotaro Takahashi, Satoshi Ogasawra, M. Takemoto, K. Orikawa, M. Tamate","doi":"10.1109/ECCE.2018.8557974","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557974","url":null,"abstract":"Switching speed of the next-generation power devices based on the wide-bandgap semiconductors such as silicon carbide and gallium nitride are more than ten times faster than the conventional silicon insulated-gate bipolar transistors. This may increase frequency ranges of electromagnetic noise accompanied by switching operations of power converters. Besides, the operating frequency ranges of noise filters are limited due to frequency dependencies of magnetic materials and parasitic components of passive components, thus, the realization of the high-frequency (HF) noise filter with the operating frequency range beyond several ten megahertz is difficult. This paper presents a modeling technique for estimating the operating frequency range of the HF three-phase common-mode (CM) inductors. The proposed method includes a novel simple estimation technique of winding stray capacitance. The CM impedance measurement results validate that the proposing model can estimate the operating frequency range of the HF three-phase CM inductor while securing practically sufficient precision at the design-stage.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127877165","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: 7
A Novel Fault Diagnosis Technique for IPMSM Using Voltage Angle 一种基于电压角的IPMSM故障诊断新方法
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557375
Z. Ullah, Seung-Tae Lee, J. Hur
{"title":"A Novel Fault Diagnosis Technique for IPMSM Using Voltage Angle","authors":"Z. Ullah, Seung-Tae Lee, J. Hur","doi":"10.1109/ECCE.2018.8557375","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557375","url":null,"abstract":"Different kinds of faults in the motor can occur, which causes various and independent variations in the magnetic flux distribution of machine and consequently causes different changes in the behavior of the motor and its performance. These changes reflect in the machine flux linkage, which can be determined by the machine voltage. A novel fault detection and identification technique for inter-turn-short fault and irreversible demagnetization fault in interior permanent magnet synchronous motor are presented in this paper. The deviation caused by the inter-turn short fault and irreversible demagnetization fault in the angle between $d$-axis voltage and $q$-axis voltage, which is termed as voltage or load angle is analyzed. It is observed that in case of demagnetization fault the voltage angle increases, whereas in case of inter-turns short fault it decreases. In this study, we used this unique phenomenon for the detection and identification of these faults. The proposed method is verified by simulation and experiments.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127887681","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
Improved Over Modulation Strategy in DTC with Constant Frequency Torque Controller of PMSM for Quick Torque Control at Different Dynamic Conditions 改进的永磁同步电机恒频转矩控制器直接转矩控制过调制策略，实现不同动态条件下的快速转矩控制
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557694
I. Alsofyani, Kyo-Beum Lee
{"title":"Improved Over Modulation Strategy in DTC with Constant Frequency Torque Controller of PMSM for Quick Torque Control at Different Dynamic Conditions","authors":"I. Alsofyani, Kyo-Beum Lee","doi":"10.1109/ECCE.2018.8557694","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557694","url":null,"abstract":"This paper proposes an improved dynamic overmodulation for direct torque control with constant switching frequency controller (DTC-CFTC) of AC motor drives to achieve fast dynamic performance under different operating conditions. The dynamic process of the DTC is obtained by the selection of active voltage vectors in the torque trainset. To further improve the dynamic performance, the most optimized active voltage is identified and selected based on the flux position. However, owing to the nature of the DTC-CFTC, some zero voltage vectors are selected in the dynamic process. As such, with the optimized voltage vector, the torque performance of DTC-CFTC is still slow. By simultaneous modification of torque and flux error statuses, the proposed overmodulation strategy can overcome this problem and achieve very fast torque response at different speed and torque operations. The effectiveness of the proposed overmodulation in DTC-CFTC of PMSM is verified by simulation results.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126311123","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
A Novel PQ Control Strategy for Non Phase-Locked Loop based on Hilbert Transform 一种基于希尔伯特变换的非锁相环PQ控制策略
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557411
Hongbin Pan, Tianyang Wei, Cheng Deng, Haihong Long, Yuzhi Zhang
{"title":"A Novel PQ Control Strategy for Non Phase-Locked Loop based on Hilbert Transform","authors":"Hongbin Pan, Tianyang Wei, Cheng Deng, Haihong Long, Yuzhi Zhang","doi":"10.1109/ECCE.2018.8557411","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557411","url":null,"abstract":"The feed-forward decoupling PQ control strategy is widely used in the grid-connected control for the micro-grid inverter. When the grid voltage is unbalanced, the output of the inverter usually contains the negative sequence components, the third harmonic and other components which will affect active and reactive power stabilization with PQ control. A novel PQ control strategy with non phase-locked loop (PLL) is proposed in this paper. By presetting a synchronous rotation frequency, the negative errors for the specified frequency can be converted each other. With Hilbert transform of the amplitude and phase, the positive sequence harmonic components, the fundamental negative sequence component and the negative sequence harmonic components can be eliminated. Even under the abominable grid conditions, it can extract the synchronization signal and improve the performance of the PQ control. Simulation results verify the effectiveness and feasibility of the proposed strategy.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127995173","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
Instantaneous Pulse Power Compensator for High-Power-Density Single-Phase Inverter 大功率密度单相逆变器的瞬时脉冲功率补偿器
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557432
X. Lyu, Yanchao Li, Ze Ni, Dong Cao, Na Ren, Zheng Zuo, Ruigang Li
{"title":"Instantaneous Pulse Power Compensator for High-Power-Density Single-Phase Inverter","authors":"X. Lyu, Yanchao Li, Ze Ni, Dong Cao, Na Ren, Zheng Zuo, Ruigang Li","doi":"10.1109/ECCE.2018.8557432","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557432","url":null,"abstract":"This paper presents an instantaneous pulse power compensator (IPPC) concept to achieve ultra-high density with zero voltage ripple and zero dc-link capacitor for high-power-density single-phase inverter application. Compared with traditional 2ndorder method with various power decoupling topologies, IPPC proposed a totally new theoretical analysis from a pulse-power point of view. For dc-link voltage ripple evaluation, traditional theoretical analysis is not suitable for small-capacitance power decoupling applications, however, pulse power analysis can be applied in the whole range. From a view of state-of-the-art on power decoupling methods, a comparison figure with voltage ripple and dc-link capacitance is given to show the limitation of traditional power decoupling method and improvement of IPPC method on minimizing dc-link capacitance. One case study is presented with full-bridge topology with simulation results. Furthermore, one Silicon Carbide (SiC) based inverter and the IPPC based circuit are built. Experimental results verify the proposed idea very well.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125437434","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
Optimal DER Sizing Using Microgrid Design Tool Integrating Model Predictive Control Based Energy Management - A Case Study 利用微电网设计工具集成基于模型预测控制的能量管理优化DER规模-一个案例研究
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557718
A. Anwar, P. Beguery, P. Pflaum, Jackie Huynh, J. Friedman
{"title":"Optimal DER Sizing Using Microgrid Design Tool Integrating Model Predictive Control Based Energy Management - A Case Study","authors":"A. Anwar, P. Beguery, P. Pflaum, Jackie Huynh, J. Friedman","doi":"10.1109/ECCE.2018.8557718","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557718","url":null,"abstract":"We present the results of a case-study analysis for optimal sizing of a battery energy storage system (BESS), photovoltaic and/or genset (or cogeneration unit) using a recently developed microgrid design tool (MGDT) which integrates advanced energy management algorithm, including MPC (Model Predictive Control) approach embedded into the optimization engine. MPC algorithm is based on the resolution of an optimization problem that uses the variable electric tariff rates (for both energy and demand), the predicted load, and distributed energy resources production profiles to minimize the cost function over a time horizon (typically 24-hours) with respect to optimal energy profile results. This Matlab Simulink based tool was able to produce comparative results to indicate battery-autonomy and how the battery design impacts the cost when the microgrid operates in grid connected mode. The analyzed KPIs were: renewable penetration ratio, yearly cost for utility grid, cash flow on the full project lifetime.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125581784","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: 4
Effect of Battery Power on Capacitor Voltage Ripple Characteristics in Modular Multilevel Converter with Integrated Battery Energy Storage System 电池功率对集成电池储能模块多电平变换器电容电压纹波特性的影响
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557722
Tao Wang, Hua Lin, Zhe Wang, Yajun Ma, Xingwei Wang
{"title":"Effect of Battery Power on Capacitor Voltage Ripple Characteristics in Modular Multilevel Converter with Integrated Battery Energy Storage System","authors":"Tao Wang, Hua Lin, Zhe Wang, Yajun Ma, Xingwei Wang","doi":"10.1109/ECCE.2018.8557722","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557722","url":null,"abstract":"Modular Multilevel Converter (MMC) with integrated Battery Energy Storage System (BESS), where the battery strings are connected to each Submodule (SM) through DC-DC converters, can transfer energy among the DC link, the AC grid, and the batteries. And this flexible structure is suitable to be applied in the microgrid and the wind power generation system, in which the BESS is needed to smooth energy fluctuations. However, compared with the common MMC, the Battery Manage System (BMS) which is used in BESS to balance the State of Charge (SOC) among batteries makes the capacitor voltage ripple of each Submodule different and complicated. The capacitor selection needs to take this into consideration. Some simulation results under different initial SOC situations derived from a Simulation model are given to evaluate the influence. And some corresponding conclusions and suggestions are obtained based on these simulation results.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125947867","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
EM-Thermal Coupled Simulation Under Various Fault Conditions of a Triple Redundant 9-Phase PMASynRM 三冗余9相PMASynRM各种故障条件下的电磁热耦合仿真
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8558200
Yanwen Shi, Jiabin Wang, Bo Wang
{"title":"EM-Thermal Coupled Simulation Under Various Fault Conditions of a Triple Redundant 9-Phase PMASynRM","authors":"Yanwen Shi, Jiabin Wang, Bo Wang","doi":"10.1109/ECCE.2018.8558200","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8558200","url":null,"abstract":"This paper performs electromagnetic (EM) and thermal coupled simulation based on 2D transient electromagnetic and 3D thermal model of a triple redundant 9-phase permanent magnet-assisted synchronous reluctance motor (PMASynRM) under various fault conditions at different speeds. The coupled simulation process is controlled by python scripts. The resultant temperatures under EM-thermal coupled simulation will be comprehensively compared with those under thermal-only simulation. The predicted temperatures by the 3D thermal model will be compared with the test results for validation. The outcomes of the study not only gives a better understanding of the thermal behavior, but also provides a guidance to the necessity of the EM-thermal coupled simulation under different fault conditions as well as to determination of the maximum permissible fault detection time before permanent damage due to the fault may occur.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125990938","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
Converting Waste Vehicle Aerodynamic Energy into Electricity 将废弃车辆空气动力能转化为电能
2018 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2018-09-01 DOI: 10.1109/ECCE.2018.8557747
Matthew Penne, W. Qiao, J. Hudgins
{"title":"Converting Waste Vehicle Aerodynamic Energy into Electricity","authors":"Matthew Penne, W. Qiao, J. Hudgins","doi":"10.1109/ECCE.2018.8557747","DOIUrl":"https://doi.org/10.1109/ECCE.2018.8557747","url":null,"abstract":"With the number of vehicles traveling every year increasing, it is becoming more important to make every trip as efficient as possible. This leads to the question, is it possible to recover a fraction of the energy that vehicles use? This paper explores the winds produced by road vehicles traveling at high speeds and, by extension, the winds produced by high speed rail and the design of a device that successfully captures and converts this wind into usable electricity. ANSYS Fluent and Solidworks Flow Simulation were used to obtain the induced wind profiles of the vehicles. A novel small scale Savonius wind turbine was then designed and constructed around reasonable perimeters for this application and tested for efficiency. The results of the simulations and experimental testing are provided to prove the proposed wind energy harvesting concept has potential for commercial use.","PeriodicalId":415217,"journal":{"name":"2018 IEEE Energy Conversion Congress and Exposition (ECCE)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122271365","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
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