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1970 IEEE Power Electronics Specialists Conference最新文献

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Computer control of a high frequency thyristor AC-AC converter 计算机控制高频晶闸管AC-AC变换器
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072912
H. Kasahara, Teruo Tanaka
{"title":"Computer control of a high frequency thyristor AC-AC converter","authors":"H. Kasahara, Teruo Tanaka","doi":"10.1109/PESC.1976.7072912","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072912","url":null,"abstract":"The paper presents a direct data control method of an AC to AC thyristor converter for induction heating by a minicomputer. The details of the hardware of the interface between the converter and a minicomputer, and of the software for the following two purposes are described. (1) Programmed output power control by variations of thyristor1s switching function given by the computer, and by the ON/OFF control of capacitors under instructions of the computer. (2) To use this system for the purpose of data acquisition by the computer which is necessary for designing this converter, such as the worst case turn-off time margin of the thyristor, optimal switching function pattern for power control, max. and min. output power, stability, etc.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134108624","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
Where are we going? 我们要去哪里?
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072893
D. Goldin
{"title":"Where are we going?","authors":"D. Goldin","doi":"10.1109/PESC.1976.7072893","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072893","url":null,"abstract":"The engineering discipline of power electronics will grow only through the open exchange and critical examination of new ideas byspecialists in the field. It has been the primary goal of the Power Electronics Specialist Conference (PESC) to provide a forum for such an exchange. Over the past seven years we have seen this annual conference grow in maturity and scope. Five societies of the IEEE, representing specialists from the aerospace, commerical products and components sectors, now actively participate in the planning and co-sponsorship of PESC. Looking forward to future years, we plan to work with additional groups and societies with interests in the power electronics field.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126329624","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
ARC discharge supply component protection circuitry 电弧放电电源元件保护电路
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072936
A. Ahrens, G. Cardwell
{"title":"ARC discharge supply component protection circuitry","authors":"A. Ahrens, G. Cardwell","doi":"10.1109/PESC.1976.7072936","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072936","url":null,"abstract":"In a mercury bombardment ion engine, the discharge supply is a high current, low voltage supply that maintains an arc or discharge inside the engine. The output of the power supply is commandable and the response to this command is current, Ina 30 cm ion engine the supply provides up to 45 volts at ~13 amperes and is referenced at ~1100 volts above ground. Due to the engine discharge characteristics, a very slow feedback control loop is required. A high speed current limit must therefore be used to protect the components in the power conditioner, in this case a pulse width modulated bridge inverter. A high speed cycle-bycycle current limit circuit which allows the inverter to continue running in an overcurrent condition is used to protect the inverter. The high speed current sensing allows the inverter to be turned off each half cycle before the current in the primary of the inverter exceeds a safe level. This permits the inverter to continue to provide current into a discharge or a fault condition, until the feedback control system can actively control the current.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123943756","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
Pulse width modulated inverter for AC motor drives 脉冲宽度调制逆变器的交流电机驱动
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072909
Teruo Imura, Sigefumi Kurita
{"title":"Pulse width modulated inverter for AC motor drives","authors":"Teruo Imura, Sigefumi Kurita","doi":"10.1109/PESC.1976.7072909","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072909","url":null,"abstract":"We have developed a set of pulse width modulated inverter, lOkVA, 200V, 1200Hz (max) and have controlled induction motors, 5.5kW. This paper deals with the test results of this set and with our theoretical study of PWM inverter modulation techniques. In this paper, we also describe their operations and characteristics.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"15 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134411623","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
Corona characteristics of metallized mylar capacitors for power electronics circuits 电力电子电路用金属化聚酯薄膜电容器的电晕特性
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072929
J. Burnham
{"title":"Corona characteristics of metallized mylar capacitors for power electronics circuits","authors":"J. Burnham","doi":"10.1109/PESC.1976.7072929","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072929","url":null,"abstract":"Metallized Mylar high voltage capacitors made in ratings up to 20 kV with special metallization patterns allow a single winding with two terminations and several series sections. These capacitors can be operated at stresses of about 2500 volts/mil, and energy densities up to 1. 24 j/cu.in. -- a 75% improvement over new resin-impregnated mica paper capacitors and 400% over conventional paper units. They are self-healing against a limited number of breakdowns. A weakness of this construction is it may result in low level dc corona below the dc rating and relatively low corona inception voltage on ac. This paper is concerned with quantitative measurements of corona on dc and ac, and an evaluation of corona's voltage dependence to establish safe levels of operating stress.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116407805","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
The use of magnetic amplifier pulse width modulator in high frequency DC-DC converters 磁放大器脉宽调制器在高频DC-DC变换器中的应用
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072921
A. Levy
{"title":"The use of magnetic amplifier pulse width modulator in high frequency DC-DC converters","authors":"A. Levy","doi":"10.1109/PESC.1976.7072921","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072921","url":null,"abstract":"The magnetic amplifier pwm is found here to have superior electrical, mechanical and reliability parameters when compared to its semiconductor equivalent network. The use of magamp pwm in high frequency power conditioning is advocated. Possibilities for adding feedforward and dynamic response shaping networks are discussed. Three major magnetic pwm configurations are displayed and compared. Actual data relative to the static and dynamic behavior of a magnetically modulated switching system concludes the article.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114671278","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
Power factor of active filtering systems 有源滤波系统的功率因数
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072935
W.P. Komrumpf, J.P. Waiden
{"title":"Power factor of active filtering systems","authors":"W.P. Komrumpf, J.P. Waiden","doi":"10.1109/PESC.1976.7072935","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072935","url":null,"abstract":"Solid state power conditioners have historically presented poor power factors to single phase supplies. An analysis technique is presented, while several typical input currents are discussed and waveform bounds presented which allow high (0.9) power factors.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123795229","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
Small signal stability analysis for thyristor converters on weak power systems 弱电系统晶闸管变换器的小信号稳定性分析
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072901
P. Nayak, R. Hoft
{"title":"Small signal stability analysis for thyristor converters on weak power systems","authors":"P. Nayak, R. Hoft","doi":"10.1109/PESC.1976.7072901","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072901","url":null,"abstract":"The phase controlled thyristor converter supplied from a weak power system is modeled in the time domain. A state variable formulation is used for the discrete nonlinear model. Local linerization is performed about an equilibrium state to obtain a small signal steady state model for such a thyristor converter system. The stability constraints for the digital controller parameters are also obtained for a fast closed loop control. As an illustration, the small signal steady state stability analysis is shown for a six-pulse controlled thyristor dc drive having a fast control loop, weak bus, current harmonic fileter, power factor correcting capacitor and transformer leakage reactance.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115539346","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
Simulation and analysis methods for sampled power electronic systems 抽样电力电子系统仿真与分析方法
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072897
H. Owen, A. Capel, J. Ferrante
{"title":"Simulation and analysis methods for sampled power electronic systems","authors":"H. Owen, A. Capel, J. Ferrante","doi":"10.1109/PESC.1976.7072897","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072897","url":null,"abstract":"Results of computer analysis methods are assessed in the case of a boost regulator in light and heavy condition mode. Five methods are evaluated which are based on network topology, differential equation, non-linear continuous frequency model, linearized low frequency models, and linearized discrete time model. Evaluation of criteria are: domains of application, accuracy and economics. Particular emphasis is given to a non-linear continuous time model derived from the state variable representation. Taking the average of state vector over one period leads to a large signal and small signal models with separate set of equations for buck boost regulators in heave and light conduction modes. Frequency domain transformation follows naturally involving duty ratio and input voltage. An equivalent current generator model driving the output filter is also presented.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134548162","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: 28
DC-DC conversion 直流-直流转换
1970 IEEE Power Electronics Specialists Conference Pub Date : 1976-06-08 DOI: 10.1109/PESC.1976.7072915
Y. Kuo
{"title":"DC-DC conversion","authors":"Y. Kuo","doi":"10.1109/PESC.1976.7072915","DOIUrl":"https://doi.org/10.1109/PESC.1976.7072915","url":null,"abstract":"In aerospace and satellite application, emphasis on the design of dc-dc converters has been concentrated in the reduction of the size, weight, and cost, and in the improvement of the efficiency and reliability of the converters. This session consists of six papers of which five papers discuss various practical design aspects of the converters for achieving one or more of the above goals. One paper discusses some theoretical aspects of the converters.","PeriodicalId":208049,"journal":{"name":"1970 IEEE Power Electronics Specialists Conference","volume":"12 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123268438","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
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