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Proceedings of Power Conversion Conference - PCC '97最新文献

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Stability analysis and design guidelines for a speed-sensorless induction motor drive 无速度传感器感应电机驱动的稳定性分析和设计指南
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.638244
S. Suwankawin, S. Sangwongwanich
{"title":"Stability analysis and design guidelines for a speed-sensorless induction motor drive","authors":"S. Suwankawin, S. Sangwongwanich","doi":"10.1109/PCCON.1997.638244","DOIUrl":"https://doi.org/10.1109/PCCON.1997.638244","url":null,"abstract":"In this paper, the authors propose a novel stability analysis for induction motor drive speed sensorless vector control systems based on the parametric approach which results in the analytical necessary conditions for stability. It is pointed out that the system can be unstable in the low-speed region with regenerative load. Assigning an appropriate feedback gain of the flux observer, however, can render stability and reduce the unstable region. As a guideline for designing the adaptive PI gain, it is shown that the integral gain determines the tracking speed of the estimates during acceleration/deceleration while the sensitivity to current measurement noises depends on the proportional gain. In addition, to avoid an oscillation in the speed estimator, a suitable corner frequency of the adaptive PI gain is required as a design trade-off.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132566520","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: 15
Power system stabilizing control using high speed phase shifter (HSPS) 基于高速移相器的电力系统稳定控制
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.638300
Toshifumi, Takanori Hayashi, Junichi Ish, SadatoshJ Kumagai
{"title":"Power system stabilizing control using high speed phase shifter (HSPS)","authors":"Toshifumi, Takanori Hayashi, Junichi Ish, SadatoshJ Kumagai","doi":"10.1109/PCCON.1997.638300","DOIUrl":"https://doi.org/10.1109/PCCON.1997.638300","url":null,"abstract":"The high speed phase shifter (HSPS) presented here is composed of three sets of a single phase PWM inverter which are connected in series to a power system, and another PWM inverter to control the DC link voltage of inverters at a specified value which is connected in parallel to a power system. The configuration is same as a UPFC (unified power flow controller). The experimental mini model for 10 kVA transmission line was developed and its performance for power system stabilizing control was examined. It was shown that not only transient stability but also dynamic stability can be improved by the HSPS.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125852926","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
Optimal formation of trainsets 列车组的最优形成
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.638384
S. Ito, K. Heumann
{"title":"Optimal formation of trainsets","authors":"S. Ito, K. Heumann","doi":"10.1109/PCCON.1997.638384","DOIUrl":"https://doi.org/10.1109/PCCON.1997.638384","url":null,"abstract":"In this paper, the authors identify the optimal formation of a high-speed train, considering mainly weight, axle load and adhesion utility, which are important indices for trainset formation. Trainset models are constructed based on data collected worldwide for major high-speed trains and high-performance locomotives, and formations are clarified that can reduce the indices. The method and the results will be useful when basic specifications of high-speed trains are being set.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129787673","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
Development of a General Tokamak Circuit Simulation Program and some application results to the JT-60 power supply system 通用托卡马克电路仿真程序的研制及在JT-60供电系统中的应用结果
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.645654
M. Matsukawa, T. Aoyagi, Y. Miura
{"title":"Development of a General Tokamak Circuit Simulation Program and some application results to the JT-60 power supply system","authors":"M. Matsukawa, T. Aoyagi, Y. Miura","doi":"10.1109/PCCON.1997.645654","DOIUrl":"https://doi.org/10.1109/PCCON.1997.645654","url":null,"abstract":"This paper describes the General Tokamak Circuit Simulation Program (GTCSP) developed for designing the power supply system of a large nuclear fusion device JT-60. GTCSP can deal with synchronous generators, phase delayed transformers connected to thyristor converters, inductively coupled passive coils and their combination. Since the GTCSP code is designed for limited purposes, it has the advantages of a smaller number of input parameters and shorter computation time. The time step of the simulation is automatically adjusted according to the change of power converter switching mode, and this function suppresses switching noises. A program overview and some application results are presented.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130422269","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
Series power line compensator using self-commutated inverter 串联电源线补偿器采用自换相逆变器
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.645612
H. Tokuda, N. Eguchi, S. Uemura, R. Shimada
{"title":"Series power line compensator using self-commutated inverter","authors":"H. Tokuda, N. Eguchi, S. Uemura, R. Shimada","doi":"10.1109/PCCON.1997.645612","DOIUrl":"https://doi.org/10.1109/PCCON.1997.645612","url":null,"abstract":"A novel power line compensator is proposed, which has an inverter connected to a power transmission line in series. One of the advantages of this compensator is to compensate even the voltage drop which occurs in the power supply side of the transmission line, which needs a larger capacity for the SVC. The operating principle and control systems of this compensator are described in this paper. The protective method of the compensator is also treated. The validity of this compensator and its control system are examined by experimental tests, including static and transient characteristics, harmonic effects and the protective functions.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128818634","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
Performance of series-resonant AC link inverter 串联谐振交流环节逆变器的性能
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.645629
M. Hayashi, K. Matsuse
{"title":"Performance of series-resonant AC link inverter","authors":"M. Hayashi, K. Matsuse","doi":"10.1109/PCCON.1997.645629","DOIUrl":"https://doi.org/10.1109/PCCON.1997.645629","url":null,"abstract":"This paper presents the performance of a series-resonant AC link inverter. The topology consists of an inverter, LC resonant circuit and cycloconverter sections. We have proposed the method to apply a pulse amplitude modulation (PAM) and a pulse density modulation (PDM) controls for improving output current. By using this method, harmonic components of output current can be eliminated. In this paper, experimental results are presented. It is shown that the method of improving output current by PDM and PAM controls is available.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122603356","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
Improving the start and restart behavior through state recognition of AC drives 通过交流驱动器的状态识别改进启动和重新启动行为
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.638246
H. Pan, L. Springob, J. Holtz
{"title":"Improving the start and restart behavior through state recognition of AC drives","authors":"H. Pan, L. Springob, J. Holtz","doi":"10.1109/PCCON.1997.638246","DOIUrl":"https://doi.org/10.1109/PCCON.1997.638246","url":null,"abstract":"The paper presents control strategies for abnormal operating conditions of AC motor drive systems. These improve the total performance as well as the ruggedness of the system. Two methods to start a rotating motor through state recognition are described. Two cases are distinguished according to whether the back EMF exists or not. In either case, normal operation can be reestablished as fast as possible on return of the power supply following a power interruption. Discussions and experimental results are presented for both failure conditions, based on V/f control and on sensorless field oriented control.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126047158","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: 17
Vector control of an induction motor for the field weakening region with tuning of the magnetizing inductance 感应电机弱磁场区矢量控制的磁化电感调谐
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.645595
D. Choi, M. Shin, T.K. Lee, S. Cho, D. Hyun
{"title":"Vector control of an induction motor for the field weakening region with tuning of the magnetizing inductance","authors":"D. Choi, M. Shin, T.K. Lee, S. Cho, D. Hyun","doi":"10.1109/PCCON.1997.645595","DOIUrl":"https://doi.org/10.1109/PCCON.1997.645595","url":null,"abstract":"Above base speed, the flux level must be reduced in inverse proportion to the actual rotor speed. Then the magnetizing inductance is varied by rotor flux reference. In this region, if there is incorrect magnetizing inductance value in the vector controller, it is difficult to properly obtain the magnetizing current and the decoupling terms. The improper magnetizing current decreases the voltage margin, so that makes torque response unstable. Also, improper decoupling terms make voltage reference incorrect. The torques in the stator and rotor flux reference frame have been calculated. If the magnetizing inductance is correct, two torque values are the same. Therefore, if two values are different, the controller has different magnetizing inductance from that of the actual motor. This paper presents the new tuning scheme of the magnetizing inductance by comparing two torque values. The rotor time constant tuning and magnetizing inductance tuning scheme make the vector control system properly operating on the wide speed range. Especially, the improved system performance in the field weakening region by applying this scheme is illustrated. Computer simulation and experimental results demonstrate the efficacy of the proposed scheme.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121056086","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: 10
The use of a single microprocessor board to control two independent inverters 使用单个微处理器板来控制两个独立的逆变器
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.638358
I. A. El-Kassas, L. N. Hulley, W. Shepherd
{"title":"The use of a single microprocessor board to control two independent inverters","authors":"I. A. El-Kassas, L. N. Hulley, W. Shepherd","doi":"10.1109/PCCON.1997.638358","DOIUrl":"https://doi.org/10.1109/PCCON.1997.638358","url":null,"abstract":"The use of a microprocessor as controllers in AC drives and systems is now of intense interest. Nevertheless, a study on the microprocessor performance used in such a system revealed that only a fraction of the total processor capability is being used to generate the required PWM pattern. The performance of the microprocessor was carefully monitored to establish how many inverters could be pulse width modulated from a single board. Finally, the possibility of incorporating more control task is also investigated.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"85 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116657209","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
Development of multiple space vector control for direct connected parallel current source power converters 直连并联电流源电源变换器的多空间矢量控制研究
Proceedings of Power Conversion Conference - PCC '97 Pub Date : 1997-08-03 DOI: 10.1109/PCCON.1997.645626
R. Abe, Y. Nagai, K. Tsuyuki, H. Nishikawa, T. Shimamura, A. Kawaguchi, K. Shimada
{"title":"Development of multiple space vector control for direct connected parallel current source power converters","authors":"R. Abe, Y. Nagai, K. Tsuyuki, H. Nishikawa, T. Shimamura, A. Kawaguchi, K. Shimada","doi":"10.1109/PCCON.1997.645626","DOIUrl":"https://doi.org/10.1109/PCCON.1997.645626","url":null,"abstract":"The current source self-commutated converter has been developed for use in motor drive systems. However it has technical problems such as L-C series resonance, the requirement of transformers for multiple converter connections and DC current unbalance in the converters. This paper presents a new control method to solve these problems for converters connected directly in parallel. The control method consists of a multiple space vector control including resonance suppression control. Results of a mini-model experiment confirming the control method is also presented.","PeriodicalId":262154,"journal":{"name":"Proceedings of Power Conversion Conference - PCC '97","volume":"366 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121729728","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: 31
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