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2019 IEEE Texas Power and Energy Conference (TPEC)最新文献

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MATGMD: A Tool for Enabling GMD Studies in MATLAB MATGMD: MATLAB中实现GMD研究的工具
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662136
Gandhali Prakash Juvekar, K. Davis
{"title":"MATGMD: A Tool for Enabling GMD Studies in MATLAB","authors":"Gandhali Prakash Juvekar, K. Davis","doi":"10.1109/TPEC.2019.8662136","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662136","url":null,"abstract":"Geomagnetic disturbance (GMD) has the potential to cause Geomagnetically Induced Currents (GICs) that disturb the power grid by circulating harmonics in the system. These quasi-dc currents give rise to additional reactive power losses in high-voltage transformers. Their combined presence can result in a loss of reactive power support that could even lead to a total voltage collapse. GMD events effecting the grid at such a scale render their study important. MATGMD is an open-source MATLABR based package for Geomagnetic disturbance studies that provides tools for analyzing uniform electric field GMD events to extract crucial system information like transformer neutral currents, for one. Various such system values could be used for stability, mitigation or estimation studies by researchers, educators and students. Efforts have been made to make more system information available using as little input data as possible. This paper presents the details of the network modeling and the corresponding formulations used by MATGMD. It discusses the flexibility with which the GMD related system information can be extracted as per the need of the user depending on the nature of study to be carried out. Simulation results for two test cases are presented using techniques to compare them with output obtained from PowerWorldR Simulator.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124209347","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 and THD Optimization Based on an Interleaved PFC Converter Using Digital Controller with Integrated Valley Switching Control Feature 基于集成山谷开关控制特性的数字控制器的交错PFC变换器的效率和THD优化
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662175
Chen Jiang, H. Nene, S. Choudhury
{"title":"Efficiency and THD Optimization Based on an Interleaved PFC Converter Using Digital Controller with Integrated Valley Switching Control Feature","authors":"Chen Jiang, H. Nene, S. Choudhury","doi":"10.1109/TPEC.2019.8662175","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662175","url":null,"abstract":"In this paper, a digital control optimization solution is presented to increase interleaved PFC converter performance especially the light load efficiency and THD for an interleaved PFC converter. This does not require any complex external logic. When a PFC converter is under discontinuous conduction mode (DCM), the resonation can happen between the parasitic capacitance and the PFC inductor. This usually occurs under light load condition. Depending on the instantaneous input voltage, the MOSFET needs to be turned on at the valley point or zero voltage crossing point of the Vds in order to get higher efficiency and lower THD. The proposed optimization method utilizes the both feature of integrated programmable valley of the digital controller and mathematical model of PFC converter to easily implement the valley switching and ZVS. The valley skipping is selected to maintain a relatively low switching frequency by the presented integrated programmable valley switching technique to get better light load efficiency. When the instantaneous voltage is very low, an enhanced control method which uses fixed frequency control is adopted to avoid the current distortion. The hardware test is based on a Texas Instruments microcontroller which contains integrated programmable valley switching feature. A 750W interleaved PFC converter is used in the experiment.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126319783","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
TPEC 2019 Content Announcement Page TPEC 2019内容公告页面
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/tpec.2019.8662187
{"title":"TPEC 2019 Content Announcement Page","authors":"","doi":"10.1109/tpec.2019.8662187","DOIUrl":"https://doi.org/10.1109/tpec.2019.8662187","url":null,"abstract":"","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116011817","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
Enhancement the Frequency of a New Oscillating Thermomagnetic Generator 提高一种新型振荡热磁发生器的频率
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662143
A. Homadi, T. Hall
{"title":"Enhancement the Frequency of a New Oscillating Thermomagnetic Generator","authors":"A. Homadi, T. Hall","doi":"10.1109/TPEC.2019.8662143","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662143","url":null,"abstract":"In this study, we try to improve the performance of an oscillating thermomagnetic generator by increasing its frequency. The generator operates due to magnetic materials losing their susceptibility and becoming paramagnetic when they reach their Curie temperature (TC). The generator consists of a ferromagnetic material moving under the influence of opposing forces. A permanent magnet (PM) and a spring generate the opposing variable forces to ensure the sustainability of the movement. The generator was designed to dissipate heat from a source as well as generate an induced electric pulse. What limits this generator is the relatively time-consuming delay during the cooling of the metal, restoring its magnetic susceptibility and restoring the PM force. This study shows the effect of shifting the spring equilibrium position to help the PM force to improve the frequency. COMSOL Multiphysics 5.2a software is used to simulate the system and display the results.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128078022","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
PM BLDC Actuator with Helical Motion of the Rotor For Industrial Applications 永磁无刷直流驱动器与螺旋运动的转子的工业应用
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662162
O. Dobzhanskyi
{"title":"PM BLDC Actuator with Helical Motion of the Rotor For Industrial Applications","authors":"O. Dobzhanskyi","doi":"10.1109/TPEC.2019.8662162","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662162","url":null,"abstract":"this paper presents a computer analysis of a 3-phase permanent magnet synchronous actuator with helical movement of the rotor. This actuator has one 3-phase winding, one stator, one rotor, and one power supply. Helical motion of the actuator’s rotor is achieved by skewing the permanent magnets on the rotor. This way the resultant electromagnetic force acting on the rotor is split for two individual forces: linear and rotary. The influence of the permanent magnets’ skew angle on these forces is studied by running parametric analyses in 3D FEM software. The actuator with optimal skew angle was analyzed further at different supply frequencies by a 3D FEM and circuit co-simulation analysis. The electromechanical characteristics of the actuator are calculated and discussed in the paper.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131920712","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
Determination of Power Transfer Capability by a Bisection-Like Algorithm via Power-Flow Solutions 基于潮流解的类平分算法确定电能传输能力
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662146
Bulent Bilir, Mutlu Yilmaz
{"title":"Determination of Power Transfer Capability by a Bisection-Like Algorithm via Power-Flow Solutions","authors":"Bulent Bilir, Mutlu Yilmaz","doi":"10.1109/TPEC.2019.8662146","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662146","url":null,"abstract":"The objective of this study is to present an algorithm that can determine power transfer capability of transmission lines via power-flow solutions. The calculation of transfer capability is carried out by obtaining power flows for various scenarios of operation under various amounts of power transfer. This paper deals with the bisection-like algorithm to compute transfer capability. The main motivation in this work results from the need to develop an efficient algorithm that can calculate maximum power transfer between selected buses and perform the numerical simulations for corresponding power-flow solutions. The accompanying program is easily expandable with new applications when necessary.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130417076","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
A Review of the More Electric Aircraft Power Electronics 多电动飞机动力电子技术综述
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662158
Babak Rahrovi, M. Ehsani
{"title":"A Review of the More Electric Aircraft Power Electronics","authors":"Babak Rahrovi, M. Ehsani","doi":"10.1109/TPEC.2019.8662158","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662158","url":null,"abstract":"In the More Electric Aircraft (MEA) most of the hydraulic and mechanical components are replaced with electrical ones which results in a more reliable and lighter aircraft. In addition, it leads to a significant fuel saving and lower environmental impact as well as better maintainability and passenger accommodation. Studies in the field of electrification of the aircraft can be classified as the aircraft propulsion system, power generation system, power distribution system, power electronics system, actuation systems, power flow and energy management, power quality and stability issues. This paper is a review on the power electronics systems in both AC and DC power distribution architectures in more electric aircrafts.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127363294","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: 33
FSIG-Based Wind Power Plant Transient Stability Margin Improvement, a STATCOM/SVC Comparison 基于fsig的风电场暂态稳定裕度改进，STATCOM/SVC比较
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662129
B. Khan, M. Kassas
{"title":"FSIG-Based Wind Power Plant Transient Stability Margin Improvement, a STATCOM/SVC Comparison","authors":"B. Khan, M. Kassas","doi":"10.1109/TPEC.2019.8662129","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662129","url":null,"abstract":"Fixed speed induction generators are used widely in wind farm installations. Their operation is accompanied, with fluctuating wind speeds, transients, and abrupt power variations. The voltage at the point of common coupling with the grid, violates stable voltages limits, even during low speeds, if sustained results in system collapse, and the wind farm will be uncoupled from the system. In this paper static compensators (STATCOM), and static var compensators (SVC) has been used to improve the transient stability of wind farms based on fixed speed wind turbines with adjustable rotor resistance. In MATLAB, the model of the fixed-speed wind turbines is simulated. The simulation verified that the STATCOM and SVC both could be used for the voltage stability. A thorough analysis in MATLAB concludes that STATCOMs provide fast dynamic response and more improved performance over SVC of the same rating. The simulation results show that STATCOM can effectively help the wind farms send complex voltages after the grid fails, improve the fault ride-through ability of wind farms, ensure the continuous operation, safety, and stability of the grid more effectively as compared to SVC.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"181 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133429441","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: 11
Implementation of an Advanced Modelica Library for Evaluation of Inverter Loss Modeling 用于评估逆变器损耗建模的高级Modelica库的实现
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662144
S. Lai, Christopher Ian Hill, Nutthawut Suchato
{"title":"Implementation of an Advanced Modelica Library for Evaluation of Inverter Loss Modeling","authors":"S. Lai, Christopher Ian Hill, Nutthawut Suchato","doi":"10.1109/TPEC.2019.8662144","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662144","url":null,"abstract":"This paper introduces a newly developed Power Electronic Inverter library in Modelica. The library has different levels of complexity to approximate the power losses in the power inverter. In addition, it provides two different modelling domains (ABC and DQ). The library utilizes a multi-level approach with increasing model complexity, each model is interchangeable in the system including power inverter, controller and machine. There are two attributes which are implemented into this library. First, the model calculates the electric behaviour of the power semiconductors, i.e. IGBTs, MOSFETs and diodes including the thermal effects. This can be fully parameterized based on the characteristic curves and parameters specified in the manufacturer’s datasheet. Secondly, the analytical approach of power losses approximation based on the datasheet. It is interchangeable between two reference frames (ABC and DQ). The model is then validated with PLECS simulation to confirm the accuracy.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131863366","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
Passivity-based Stabilization of DC-DC converters with Constant Power Loads 恒功率负载下DC-DC变换器的无源稳定
2019 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2019-02-01 DOI: 10.1109/TPEC.2019.8662161
J. Mayo-Maldonado, J. E. Valdez-Resendiz, J. Rosas-Caro, O. Ruíz-Martínez, D. Guillen-Aparicio, G. Escobar-Valderrama
{"title":"Passivity-based Stabilization of DC-DC converters with Constant Power Loads","authors":"J. Mayo-Maldonado, J. E. Valdez-Resendiz, J. Rosas-Caro, O. Ruíz-Martínez, D. Guillen-Aparicio, G. Escobar-Valderrama","doi":"10.1109/TPEC.2019.8662161","DOIUrl":"https://doi.org/10.1109/TPEC.2019.8662161","url":null,"abstract":"In this paper, we propose a new mathematical framework that allows combining power converter models with impedance based models, this is performed by using high order terms. We also introduce a passivity analysis for power electronics converters with stability problems due to the connection of constant power loads. Finally, we introduce a solution of instability problems by designing lossless stabilizing filters using the concept of passivity. The paper includes both analytical and experimental results that corroborate the main theoretical achievements of the proposition.","PeriodicalId":424038,"journal":{"name":"2019 IEEE Texas Power and Energy Conference (TPEC)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130280239","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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