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Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95最新文献

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Performance evaluation of an emitter switched thyristor for resonant converter applications 谐振变换器用发射极开关晶闸管的性能评价
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404954
M. Trivedi, C. Winterhalter, H.H. Li, K. Shenai
{"title":"Performance evaluation of an emitter switched thyristor for resonant converter applications","authors":"M. Trivedi, C. Winterhalter, H.H. Li, K. Shenai","doi":"10.1109/PEDS.1995.404954","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404954","url":null,"abstract":"This paper reports on the static and dynamic switching characteristics of an emitter switched thyristor (EST) for resonant power converter applications. Two-dimensional (2-D) mixed device and circuit simulations were used to study the carrier switching dynamics. It is shown that during turn-on, the EST has better performance than an IGBT with significantly enhanced drift region conductivity modulation. Thyristor-like on-state operation of EST leads to a slight degradation of the turn-off performance as compared to the IGBT.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131042005","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
On line rotor parameter determination of three phase induction motors 三相异步电动机转子参数的在线确定
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404964
H. Yazdi, C. Grantham
{"title":"On line rotor parameter determination of three phase induction motors","authors":"H. Yazdi, C. Grantham","doi":"10.1109/PEDS.1995.404964","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404964","url":null,"abstract":"This paper discusses the developments on the implementation of a rapid online rotor parameter determination method for three-phase induction motors without the need to connect a mechanical load or drive to the machine's output shaft. The technique is based on data sampling and at the same instance calculating and recording the necessary parameter determination input such as currents, voltages, power, power factor and speed whilst the machine runs up to speed. In this paper, a method is proposed whereby the no-load and zero-speed data are also measured from the run-up test. Furthermore the technique takes into account rotor parameter variations with frequency due to skin effect, and other nonlinear imperfections such as heating, main flux path saturation, leakage variation or flux migration due to rotor skew.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133003847","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
High voltage GaAs power rectifiers with low switching and conduction losses 具有低开关和传导损耗的高压砷化镓功率整流器
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404912
A. Salih, R. Slocumb, J. Ommen, C. Thero
{"title":"High voltage GaAs power rectifiers with low switching and conduction losses","authors":"A. Salih, R. Slocumb, J. Ommen, C. Thero","doi":"10.1109/PEDS.1995.404912","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404912","url":null,"abstract":"GaAs high voltage rectifiers are developed to provide short recovery time and significantly decrease switching losses experienced with Si rectifiers. Schottky and p-n diodes with 200 V and 600 V breakdown voltages were fabricated and found to improve circuit performance by increasing frequency and power density. Schottky diodes give small stored charge (5nC) and are ideal for high frequency power supplies, while p-n rectifiers allowing large current and soft recovery are advantageous as IGBT-freewheeling diodes. Stress testing and materials analysis performed indicate the robustness of GaAs, which is believed to allow the high temperature capability of GaAs to be fully utilized.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134638714","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
Comparison of different methods of trajectory calculation for an industrial robot 工业机器人不同轨迹计算方法的比较
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404880
K. Kim, A. Kern
{"title":"Comparison of different methods of trajectory calculation for an industrial robot","authors":"K. Kim, A. Kern","doi":"10.1109/PEDS.1995.404880","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404880","url":null,"abstract":"A fast robot position control scheme with a sensor has been developed, which is completely based on a transputer network. This approach was made by interfacing each transputer directly to its associated drive. Different methods of trajectory calculation for a robot are compared. The rise of the acceleration follows a sine-square function, sinusoidal function, a block function and exponential function. The robot control system can be operated under Microsoft Windows 3.0 or higher versions.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115412287","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
Instantaneous current vector control-based soft-switched high-frequency resonant inverter using static induction transistors for induction-heating power supply 基于瞬时电流矢量控制的软开关高频谐振逆变器，采用静态感应晶体管作为感应加热电源
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404919
H. Ogiwara, B. Nath, M. Nakaoka
{"title":"Instantaneous current vector control-based soft-switched high-frequency resonant inverter using static induction transistors for induction-heating power supply","authors":"H. Ogiwara, B. Nath, M. Nakaoka","doi":"10.1109/PEDS.1995.404919","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404919","url":null,"abstract":"This paper describes a voltage-clamped resonant high-frequency inverter with quasi-resonant switches and load-dependent resonant tank, which can operate at a zero-current soft-switching mode over a wide load range as well as in the power regulation process. The operating principle of this inverter is presented and its instantaneous current vector controlled power regulation scheme is proposed. The steady-state operating characteristics of this inverter are illustrated by using computer-aided analytical results. The trially-produced new resonant inverter using B-SITs is demonstrated for the induction-heating power supply and its performance is discussed from a practical point of view as compared with the conventional resonant inverters.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"414 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115924808","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
Bang bang current control with predecided switching frequency for switch mode rectifiers Bang Bang电流控制与预设开关频率的开关模式整流器
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404865
M. Dawande, G. Dubey
{"title":"Bang bang current control with predecided switching frequency for switch mode rectifiers","authors":"M. Dawande, G. Dubey","doi":"10.1109/PEDS.1995.404865","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404865","url":null,"abstract":"An active current waveshaping/control technique with continuous conduction of input current and suitable for single phase switch mode rectifiers is proposed. The nature of input current is similar to that of bang bang hysteresis current control. The technique does not require a reference hysteresis window. Current control is achieved with constant switching frequency for a given load current and varying inversely in a known proportion with it. Simulated performance results and selected experimental results are provided.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124145091","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
Robust chattering free sliding mode control of servo drives 伺服驱动器的鲁棒抖振自由滑模控制
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404922
Karel Jezernik
{"title":"Robust chattering free sliding mode control of servo drives","authors":"Karel Jezernik","doi":"10.1109/PEDS.1995.404922","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404922","url":null,"abstract":"A new discrete-time control algorithm has been developed by combining variable structure systems (VSS) and Lyapunov design. It possesses all the good properties of the sliding mode control and avoids the unnecessary discontinuity of the control input, thus eliminating chattering which has been considered as a serious obstacle for applications of VSS. A unified control approach for the stator currents and torque control based on the discrete-time sliding mode for application in indirect vector control of an IM drive is developed. The sliding mode approach can be applied to the control of an IM servodrive due to the replacement of the hysteresis controller with the widely used PWM technique. All the theoretical issues are verified by experiments. The experimental system consists of a transputer T805 and a microcontroller, which enables parallel processing.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123651242","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: 29
Random carrier frequency modulation of PWM waveforms to ease EMC problems in switched mode power supplies 随机载波频率调制PWM波形以缓解开关电源中的电磁兼容问题
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404953
A. Stone, B. Chambers, D. Howe
{"title":"Random carrier frequency modulation of PWM waveforms to ease EMC problems in switched mode power supplies","authors":"A. Stone, B. Chambers, D. Howe","doi":"10.1109/PEDS.1995.404953","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404953","url":null,"abstract":"Electromagnetic compatibility (EMC) remains an issue which can present many problems to designers of high frequency power converter circuits. Usual techniques for alleviating the problems of interference generation by power converters involve the use of screening materials and filters. However, the effectiveness of such measures depends on the frequency of the interference and the power density at each frequency of interest. As pulse width modulation (PWM) generates high frequency harmonics at multiples of the switching frequency, modulation of the switching frequency may be used to spread the spectral power density present at these harmonic frequencies. This paper presents a technique of frequency-hopping spread-spectrum modulation which may be applied to switched-mode power converters to reduce the spectral power density at harmonics of the switching frequency. The influence of the peak frequency deviation and the modulation sequence length on the resultant spectrum are discussed. These predictions have been broadly confirmed in practice.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122100490","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: 18
Practical evaluations of single-ended load-resonant inverter using application-specific IGBT and driver IC for induction-heating appliance 感应加热用专用IGBT和驱动IC单端负载谐振逆变器的实际评价
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404866
I. Hirota, H. Omori, K. Chandra, M. Nakaoka
{"title":"Practical evaluations of single-ended load-resonant inverter using application-specific IGBT and driver IC for induction-heating appliance","authors":"I. Hirota, H. Omori, K. Chandra, M. Nakaoka","doi":"10.1109/PEDS.1995.404866","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404866","url":null,"abstract":"This paper presents an efficient single-ended type high-frequency induction-heating quasi-resonant inverter circuit using a single advanced 2nd generation IGBT for soft-switching and its specially-designed driver IC, which operates at a zero-voltage soft-switching (ZVS) mode under PFM-based power regulation strategy. The generic voltage-fed and current-fed circuit versions of single-ended resonant inverters for home power electronics appliances are systematically proposed and classified on the basis of the soft-switched PFM mode inverter family. The advanced IGBT designed for the application-specific soft-switching and its driver IC are shown for a new induction-heating rice cooker including cooking vessel and evaluated from an experimental point of view. These new technologies are especially developed for quasi-resonant ZVS high-frequency inverter with working coil-linked induction-heating loads. This high-efficiency high-frequency quasi-resonant inverter system with high-power factor correction and sinewave line current shaping functions is practically demonstrated including a high-frequency IGBT with reduced saturation voltage characteristics, and discussed on the basis of high-power density home-power electronic appliances in the next generation.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124498440","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: 19
Overcurrent protection control technique of ZCS series resonant rectifier ZCS系列谐振整流器过流保护控制技术
Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI: 10.1109/PEDS.1995.404989
Youngseok Jung, Jongsun Ko, G. Moon, M. Youn
{"title":"Overcurrent protection control technique of ZCS series resonant rectifier","authors":"Youngseok Jung, Jongsun Ko, G. Moon, M. Youn","doi":"10.1109/PEDS.1995.404989","DOIUrl":"https://doi.org/10.1109/PEDS.1995.404989","url":null,"abstract":"An overcurrent protection control technique for a zero current switched (ZCS) series resonant rectifier (SRR) is proposed. With the proposed control technique, the converter can operate in the safe region, and optimum rating devices can be used. By employing zero current switching operations for all switches, the series resonant rectifier can operate at high switching frequencies and high power levels. From the dynamic model of this rectifier, the characteristics of internal operation are explored. With the proposed control technique, the unity power factor without overcurrent and a wide range of output voltage can be obtained.<<ETX>>","PeriodicalId":244042,"journal":{"name":"Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129762506","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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