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1978 IEEE Power Electronics Specialists Conference最新文献

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A new battery charger/discharger converter 一种新的电池充电/放电转换器
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072361
R. Middlebrook, Slobodan Cuk, W. Behen
{"title":"A new battery charger/discharger converter","authors":"R. Middlebrook, Slobodan Cuk, W. Behen","doi":"10.1109/PESC.1978.7072361","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072361","url":null,"abstract":"a new optimum topology dc-todc switching converter is extended to provide bidirectional current flow. The resulting two-quadrant converter can be employed to eliminate the discontinuous curent mode in normal unidirectional applications, but is especially suited for spacecraft battery conditioning as a charge-discharge regulator in place of the conventional separate converters. Implementation of the control features and the battery charge current and voltage limits are discussed.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121835171","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: 30
Comparisons of high frequency magnetic core losses under two different driving conditions: A sinusoidal voltage and a square-wave voltage 两种不同驱动条件下高频磁芯损耗的比较:正弦波电压和方波电压
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072358
D. Chen
{"title":"Comparisons of high frequency magnetic core losses under two different driving conditions: A sinusoidal voltage and a square-wave voltage","authors":"D. Chen","doi":"10.1109/PESC.1978.7072358","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072358","url":null,"abstract":"It is observed that for the same peak flux density and the same operating frequency, the core loss induced by a square-wave voltage drive is less than the loss induced by a sinusoidal voltage drive, which is contrary to what one would normally anticipate. To the best of the author's knowledge, there Is no theory that predicts the loss difference observed.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127961043","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: 38
An active power bandpass filter 有源电源带通滤波器
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072369
H. Nienhaus, J. Bowers, J. Brooks
{"title":"An active power bandpass filter","authors":"H. Nienhaus, J. Bowers, J. Brooks","doi":"10.1109/PESC.1978.7072369","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072369","url":null,"abstract":"This paper describes a new approach to the realization of an active 60 hz bandpass power filter. The system uses power switching to minimize attenuation losses and negative feedback to obtain narrowband filtering with a high degree of attenuation, without using large inductors and capacitors.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127379374","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
Global analysis of a buck regulator buck调节器的全球分析
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072330
D. Edwards, T. Caughey
{"title":"Global analysis of a buck regulator","authors":"D. Edwards, T. Caughey","doi":"10.1109/PESC.1978.7072330","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072330","url":null,"abstract":"Liapunov's direct stability method as applied to discrete systems and the method of paired systems due to Kaiman are used to obtain sufficient conditions for global stability. The global convergence of a buck regulator is also investigated.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"30 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120907239","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
Square pulses, DC, and impulse corona measurements on high voltage capacitors for power electronics 电力电子用高压电容器的方脉冲、直流和脉冲电晕测量
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072352
J. Burnham
{"title":"Square pulses, DC, and impulse corona measurements on high voltage capacitors for power electronics","authors":"J. Burnham","doi":"10.1109/PESC.1978.7072352","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072352","url":null,"abstract":"A new method of measuring corona under DC, impulse, and square pulses at high repetition frequencies has been developed. It involves the use of the electret effect. It has been applied to high voltage metallized Mylar, mica paper impregnated with epoxy and to low voltage metallized single film PVF2 capacitors.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130030293","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
Power factor improvement with a modified phase-controlled converter 改进相控变换器的功率因数改进
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072337
V. Stefanovic, J. Hwang
{"title":"Power factor improvement with a modified phase-controlled converter","authors":"V. Stefanovic, J. Hwang","doi":"10.1109/PESC.1978.7072337","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072337","url":null,"abstract":"A modified, phase commutated converter with an improved power factor is presented and is analyzed for both rectifying and inverting modes. The optimal power factor firing control is formulated while taking into account commutation overlaps. Different modes of converter operation are identified and are analyzed in terms of reactive power requirements, power factor and harmonic distortion on both AC and DC sides. The results are used to compare critically the new converter with a conventional 6-pulse bridge.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"11 18","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133425815","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
Analytical design optimization of electronic power transformers 电子电力变压器的分析设计优化
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072356
W. Muldoon
{"title":"Analytical design optimization of electronic power transformers","authors":"W. Muldoon","doi":"10.1109/PESC.1978.7072356","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072356","url":null,"abstract":"Completely analytical optimization of electronic power transformers is presented, using exponential functions of core loss, geometry, and temperature rise to determine size, optimum copper to core loss ratio, current density, flux density, and efficiency. Method applies over wide frequency range and for various core materials and geometries.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123047520","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: 14
Filter weight minimization for rectified superconducting alternator power supplies 整流超导交流发电机电源滤波器重量最小化
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072349
T. Stuart, M. Tripp
{"title":"Filter weight minimization for rectified superconducting alternator power supplies","authors":"T. Stuart, M. Tripp","doi":"10.1109/PESC.1978.7072349","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072349","url":null,"abstract":"Due to their very high power to weight ratio, rectified superconducting alternators are being considered as possible sources for a new generation of airborne d.c. power supplies. Since these supplies are intended for very high power applications (tens of megawatts at several kilovolts), weight becomes a prime consideration in the design of the LC output filter. Because of this problem, a considerable amount of research has been conducted to minimize the weight of the inductors and capacitors for these filters. As a complement to this work, this paper describes a design algorithm that selects the minimum weight inductor and capacitor combination for a given set of specifications. Since the behavior of the filter also depends upon the impedance offered by the machine, it is necessary to include the alternator model in the simulations.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115183349","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
Predicting performance of power converters operating with switching frequencies in the vicinity of 100 kHz 预测开关频率在100khz附近工作的功率变换器的性能
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072347
D. D. Bahler, H. Owen, T. Wilson
{"title":"Predicting performance of power converters operating with switching frequencies in the vicinity of 100 kHz","authors":"D. D. Bahler, H. Owen, T. Wilson","doi":"10.1109/PESC.1978.7072347","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072347","url":null,"abstract":"Predicting the current, voltage and power stresses in high-power high-frequency converters using available component specifications and device models presents a formidable challenge. Switching phenomena and circuit layout influences that are negligible at lower switching frequencies become first-order concerns as power and frequency increase. These effects are examined for three different converter configurations.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131530617","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
Multiphase capacitor-diode voltage multiplier
1978 IEEE Power Electronics Specialists Conference Pub Date : 1978-06-13 DOI: 10.1109/PESC.1978.7072364
R. Martinelli, A. Ahrens
{"title":"Multiphase capacitor-diode voltage multiplier","authors":"R. Martinelli, A. Ahrens","doi":"10.1109/PESC.1978.7072364","DOIUrl":"https://doi.org/10.1109/PESC.1978.7072364","url":null,"abstract":"An N-phase by M-stage capacitor-diode voltage multiplier (CDVM) is described. The multiplier is failure tolerant and suitable for medium power applications. Total capacitor weight is significantly less than single-phase multipliers. Excellent correlation between test data and predicted values for output voltage, peak currents, and efficiency demonstrated the accuracy of the generalized equations. The design principles of the multiphase CDVM concept were applied to design, fabricate, and test a breadboard model circuit to operate at a 1.2 kW power level under contract NAS 3-20395 with the NASA Lewis Research Center. Test data from a 1 . 2 kW, five-phase CDVM are included.","PeriodicalId":363671,"journal":{"name":"1978 IEEE Power Electronics Specialists Conference","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127017435","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
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