IEEE Power Electronics Letters最新文献

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IEEE Power Electronics Letters publication information IEEE电力电子通讯出版信息
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.853244
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引用次数: 0
Analysis of thermoelectric coolers by a spice-compatible equivalent-circuit model 热电冷却器的spice兼容等效电路模型分析
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.846822
S. Lineykin;S. Ben-Yaakov
{"title":"Analysis of thermoelectric coolers by a spice-compatible equivalent-circuit model","authors":"S. Lineykin;S. Ben-Yaakov","doi":"10.1109/LPEL.2005.846822","DOIUrl":"https://doi.org/10.1109/LPEL.2005.846822","url":null,"abstract":"The objective of this work was to develop a PSPICE-compatible equivalent circuit of a thermoelectric cooler (TEC). Equivalent circuits are convenient tools for power electronics engineers since they help in presenting a problem in electronic circuit terms and can assist in the design of power stages and the control circuitry and algorithms. A methodology is developed for extracting the parameters of the proposed model from manufacturers' data of TECs. The present model is compatible with PSPICE or other electronic circuit simulators. An important feature of the model is its ability to generate small-signal transfer functions that can be used to design feedback networks for temperature-control applications. Several examples of successful utilization of the model are presented. Data of many different manufacturers were examined and the model parameters were extracted. In all cases, the model was found to reproduce accurately the performance of commercial TECs. The accuracy of the model was also verified by experiments.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"63-66"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.846822","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328380","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: 84
Minimum current magnitude control of surface PM synchronous machines during constant power operation 地面永磁同步电机恒功率运行时的最小电流幅值控制
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.848327
J.S. Lawler;J. Bailey;J. McKeever
{"title":"Minimum current magnitude control of surface PM synchronous machines during constant power operation","authors":"J.S. Lawler;J. Bailey;J. McKeever","doi":"10.1109/LPEL.2005.848327","DOIUrl":"https://doi.org/10.1109/LPEL.2005.848327","url":null,"abstract":"The dual-mode inverter control (DMIC) was initially developed to provide broad constant power speed range (CPSR) operation for a surface mounted permanent magnet machine (PMSM) having low inductance. The DMIC interfaces the output of a common voltage source inverter (VSI) to the PMSM through an ac voltage controller. The ac voltage controller consists of three pairs of anti-parallel silicon controlled rectifiers (SCRs), one anti-parallel SCR pair in series with each winding of the motor. In a recent paper a fundamental frequency model of DMIC type controllers was developed using an equivalent reactance interpretation of the in-line SCRs. In this work, the same fundamental frequency model is used to show that the DMIC may have considerable loss reduction benefits even if the motor winding inductance is large. Specifically, it is shown that the SCRs enable maximum watts per rms amp control during constant power operation. The rms motor current can be minimized for any given power level and sufficiently large speed with DMIC. A fixed winding inductance and a conventional inverter can only be optimized for a single speed and power level. The performance predicted by the fundamental frequency model of the DMIC is compared to that of a conventional PMSM drive where the motor has sufficiently large inductance to achieve an infinite CPSR. It is shown that the SCRs can reduce motor current by a factor of 0.7071 at high speed and rated power. This would reduce the motor copper losses by 50% and reduce the conduction losses in the VSI by 29.3%. At less than rated power the percentage of motor/VSI loss reduction enabled by the SCRs is seen to be even larger.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"53-56"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.848327","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328378","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: 16
A leakage-inductance-based ZVS two-inductor boost converter with integrated magnetics 一种基于漏电感的集成磁器件ZVS双电感升压变换器
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.846823
Quan Li;P. Wolfs
{"title":"A leakage-inductance-based ZVS two-inductor boost converter with integrated magnetics","authors":"Quan Li;P. Wolfs","doi":"10.1109/LPEL.2005.846823","DOIUrl":"https://doi.org/10.1109/LPEL.2005.846823","url":null,"abstract":"A two-inductor boost converter topology has conduction loss and transformer utilization advantages in converting low-voltage higher current inputs to high output voltages. In this letter, a new zero-voltage switching (ZVS) two-inductor boost converter with integrated magnetics is proposed. In the new topology, the two current source inductors, a resonant inductor and a two-winding transformer, are integrated into one single magnetic core with three windings. Two windings simultaneously perform the functions of the current source inductors and the transformer primary. The transformer leakage inductance forms the resonant inductance. This leads to a much more compact converter design with a significant reduction in the number of core and winding components. A theoretical analysis establishes the operating point of the ZVS converter. Both of the theoretical and experimental waveforms, including flux waveforms for the legs of the integrated core structure, are presented at the end of the letter.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"67-71"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.846823","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328381","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: 25
IEEE Power Electronics Letters blank page IEEE电力电子信函空白页
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.853246
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引用次数: 0
Phase retrieval from impedance amplitude measurement 从阻抗振幅测量中提取相位
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.848326
J. Ahola;E.M. Vartiainen;T. Lindh
{"title":"Phase retrieval from impedance amplitude measurement","authors":"J. Ahola;E.M. Vartiainen;T. Lindh","doi":"10.1109/LPEL.2005.848326","DOIUrl":"https://doi.org/10.1109/LPEL.2005.848326","url":null,"abstract":"In this letter, we propose a numerical method for computing the phase spectrum of impedance. The developed method is based on the maximum entropy model (MEM) and enables one to retrieve the phase spectrum directly from an impedance amplitude spectrum. The validity of the method is tested with an input impedance measurement of a distribution transformer in the frequency band 100 kHz-30 MHz, where both the amplitude and the phase spectrum of the impedance are measured. According to the tests carried out, the method is useful and it may be applied, for example, in the research of active filters, power line communication, and electromagnetic interference.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"50-52"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.848326","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328377","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
Special issue on lighting applications 照明应用特刊
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.853249
{"title":"Special issue on lighting applications","authors":"","doi":"10.1109/LPEL.2005.853249","DOIUrl":"https://doi.org/10.1109/LPEL.2005.853249","url":null,"abstract":"Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"82-82"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.853249","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328385","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
Self-tuning dead-time compensation method for voltage-source inverters 电压源逆变器的自校正死区补偿方法
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.851310
A. Cichowski;J. Nieznanski
{"title":"Self-tuning dead-time compensation method for voltage-source inverters","authors":"A. Cichowski;J. Nieznanski","doi":"10.1109/LPEL.2005.851310","DOIUrl":"https://doi.org/10.1109/LPEL.2005.851310","url":null,"abstract":"A new method of dead-time compensation is proposed, capable of self-tuning to the inverter and load properties. The tuning, performed real-time, relies on parameter selection of a generic compensation characteristic. During the parameter search, the quality of compensation is being continuously assessed against the harmonic distortion of output currents. The method enjoys very effective compensation of both harmonic and linear distortion caused by dead time and other parasitic agents.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"72-75"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.851310","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328382","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: 100
Constant and high switching frequency torque controller for DTC drives 用于DTC驱动器的恒定和高开关频率扭矩控制器
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.851316
C.L. Toh;N.R.N. Idris;A.H.M. Yatim
{"title":"Constant and high switching frequency torque controller for DTC drives","authors":"C.L. Toh;N.R.N. Idris;A.H.M. Yatim","doi":"10.1109/LPEL.2005.851316","DOIUrl":"https://doi.org/10.1109/LPEL.2005.851316","url":null,"abstract":"The letter presents a new method of increasing the switching frequency of a direct torque control (DTC) of induction machines. The method simply replaces the hysteresis comparator of the conventional DTC drives with a triangular waveform-based constant switching frequency controller. By synchronizing the digital signal processor (DSP) sampling with a triangular waveform and with an appropriate systematic controller design, a high switching frequency DTC drive is possible without requiring a high-frequency space-vector modulator. The implementation of the controller is simple and operates based on waveform comparisons; in this letter it is implemented using a combination of a DSP and a field programmable gate array device. Simulation and experimental results indicate that the controller both reduces the torque ripple and maintains a constant switching frequency.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"76-80"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.851316","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328383","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: 62
IEEE Power Electronics Letters Information for authors IEEE电力电子信件作者信息
IEEE Power Electronics Letters Pub Date : 2005-06-01 DOI: 10.1109/LPEL.2005.853247
{"title":"IEEE Power Electronics Letters Information for authors","authors":"","doi":"10.1109/LPEL.2005.853247","DOIUrl":"https://doi.org/10.1109/LPEL.2005.853247","url":null,"abstract":"Provides instructions and guidelines to prospective authors who wish to submit manuscripts.","PeriodicalId":100635,"journal":{"name":"IEEE Power Electronics Letters","volume":"3 2","pages":"83-84"},"PeriodicalIF":0.0,"publicationDate":"2005-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/LPEL.2005.853247","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50328386","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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