Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)最新文献

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Proper choice of flying capacitors based on distinct power dissipation models 根据不同的功耗模型正确选择飞行电容器
F. Dijkhuizen, J. Duarte
{"title":"Proper choice of flying capacitors based on distinct power dissipation models","authors":"F. Dijkhuizen, J. Duarte","doi":"10.1109/IAS.1998.730296","DOIUrl":"https://doi.org/10.1109/IAS.1998.730296","url":null,"abstract":"With the many types of capacitors available, making the correct choice for an AC power application is not that straightforward. Especially in the case of multilevel power converters which rely on a capacitive buffer clamp, an adequate dimensioning of these components is necessary to obtain a higher power per volume rate. This paper discuss the peculiarities concerning the so-called flying capacitors in multi-level power converter structures with nested cells, aiming at an optimal component selection. On the basis of the capacitor current harmonic content under nominal operation, the internal power dissipation is calculated analytically. Experimental measurements confirm the validity of the analysis.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127838086","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
Compact light source performance in recessed type luminaires 嵌入式灯具的紧凑光源性能
E. Hammer
{"title":"Compact light source performance in recessed type luminaires","authors":"E. Hammer","doi":"10.1109/IAS.1998.730000","DOIUrl":"https://doi.org/10.1109/IAS.1998.730000","url":null,"abstract":"Photometric comparisons were made with an indoor, recessed, type luminaire using incandescent, high intensity discharge and compact fluorescent lamps. The test results show substantial performance advantages, as expected, for the discharge light sources where the efficacy gains can be in the order of 400% even when including the ballast losses associated with the discharge lamps. The candlepower distribution patterns emerging from these luminaries are also different from those associated with the baseline incandescent lamps, and which are in some ways, even more desirable from a uniformity of illuminance perspective. A section on fluorescent lamp starting is also included which describes a system having excellent starting characteristics in terms of electrode starting temperature (RW/RC technique), proper operating frequency to minimize unwanted IR interactions, and satisfactory current crest factor values to help insure life performance.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"1093 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122908918","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 the use of diamond in a multichip power module (MCPM) based induction motor drive 介绍了利用金刚石在多芯片功率模块(MCPM)的基础上驱动感应电机
K. Olejniczak, A. Malshe, V. Gumaste
{"title":"On the use of diamond in a multichip power module (MCPM) based induction motor drive","authors":"K. Olejniczak, A. Malshe, V. Gumaste","doi":"10.1109/IAS.1998.730284","DOIUrl":"https://doi.org/10.1109/IAS.1998.730284","url":null,"abstract":"The unique combination of excellent thermal, electrical, and mechanical properties makes synthetic diamond a legitimate material candidate for thermal management strategies in integrated drive modules. Over the past several years, joint research programs between academe have resulted in substantial diamond synthesis and post-synthesis processing time and cost, This is largely attributed to major advances in diamond synthesis using chemical vapor deposition (CVD) techniques. In this paper, an overview of diamond synthesis and post-synthesis processing is presented followed by a comparison of thermal heat spreading efficacy of silicon and CVD-diamond substrates for power electronic applications.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114978683","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
Design and implementation of a new three-phase four-wire active power filter with minimum components 一种新型三相四线有源电力滤波器的设计与实现
Ali Dastfan, D. Platt, V. J. Gosbell
{"title":"Design and implementation of a new three-phase four-wire active power filter with minimum components","authors":"Ali Dastfan, D. Platt, V. J. Gosbell","doi":"10.1109/IAS.1998.730322","DOIUrl":"https://doi.org/10.1109/IAS.1998.730322","url":null,"abstract":"This paper reports the development of a new three-phase four-wire active power filter which has no passive elements and only has four bidirectional switches. A new switching technique based on three dimensional vector treatment of unbalanced three phase circuits is used for the control of the APF. Experimental results from a prototype APF confirm the suitability of the proposed approach not only for the removal of harmonics, but also for the compensation of fundamental unbalance currents and reactive power consumed by the load. The experimental results show that current total harmonic distortion (THD) in each phase is reduced from 58% to less than 5% which is acceptable by most harmonics standards. The neutral current, including fundamental and harmonics, is reduced by a factor of 15.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115685365","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
Nonlinear control of an induction motor in magnetic saturation 磁饱和感应电机的非线性控制
M. Tarbouchi, H. Le Huy
{"title":"Nonlinear control of an induction motor in magnetic saturation","authors":"M. Tarbouchi, H. Le Huy","doi":"10.1109/IAS.1998.732397","DOIUrl":"https://doi.org/10.1109/IAS.1998.732397","url":null,"abstract":"The control of an induction motor in magnetic saturation using a voltage input-output linearization technique is presented in this paper. The motor model, written in the stationary reference frame where all inductances are functions of magnetizing current is nonlinear with respect to the state variables and linear in the control. The controller decouples the flux control from the torque or speed even in the defluxing mode.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115773621","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
Asymmetric control of HF link soft switching converter for UPS and PV systems with bidirectional power flow 双向潮流下UPS和光伏系统高频链路软开关变换器的不对称控制
M. Matsui, M. Yamagami
{"title":"Asymmetric control of HF link soft switching converter for UPS and PV systems with bidirectional power flow","authors":"M. Matsui, M. Yamagami","doi":"10.1109/IAS.1998.730317","DOIUrl":"https://doi.org/10.1109/IAS.1998.730317","url":null,"abstract":"For the purpose of realizing a small site, light weight and low EMI power converter for a UPS or a PV system connected to the AC grid, this paper proposes a new type of power converter characterized by the following features: (1) electrical isolation from the AC system line by using a high frequency transformer, (2) totally soft switched operation using natural commutation principle without using a complicated resonant circuit topology, (3) ability for bidirectional power flow and instantaneous AC current control, and (4) improved power conversion efficiency by means of \"asymmetric phase angle control scheme\". Operating principles, some technical points to note, control method and operating modes are shown in detail. The experimental results to prove the total soft switching operation and the improved power conversion efficiency are also shown.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127123051","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
IEEE/IAS - ANSI - and the IEC IEEE/IAS - ANSI -和IEC
B.W. Whittington
{"title":"IEEE/IAS - ANSI - and the IEC","authors":"B.W. Whittington","doi":"10.1109/IAS.1998.730146","DOIUrl":"https://doi.org/10.1109/IAS.1998.730146","url":null,"abstract":"The official United States interface with the IEC is the United States National Committee to the IEC (USNC), a committee of the American National Standards Institute (ANSI). This interface is discussed, its structure, a brief description of Technical Committees, Subcommittees and Working Groups, and how IAS involvement is appropriate, productive, and should be implemented and staffed are also covered. The USNC has expressed its awareness of the need and benefit of increased user input.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125126661","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
Mercury and other trace elements removal characteristics of DC and pulse energized electrostatic precipitator 直流和脉冲通电静电除尘器对汞等微量元素的去除特性
X. Liang, P. Looy, S. Jayaram, A. Berezin, M. Mozes, J. Chang
{"title":"Mercury and other trace elements removal characteristics of DC and pulse energized electrostatic precipitator","authors":"X. Liang, P. Looy, S. Jayaram, A. Berezin, M. Mozes, J. Chang","doi":"10.1109/IAS.1998.729857","DOIUrl":"https://doi.org/10.1109/IAS.1998.729857","url":null,"abstract":"Removal of zinc rich ash and mercury from gas stream using electrostatic precipitators has been investigated. Dust particles collected from Mastsuyama municipal incineration plant thermal plasma ash volume reduction system were used to study the performance of ESP to collect zinc rich ash. The ash was analyzed by neutron activation analysis (NAA) using the McMaster Nuclear Reactor. Collection efficiency as high as 99.9% was obtained in the removal of Zn from the flue gas with DC energization of the ESP. The mercury concentration was measured using a cold vapor atomic absorption spectrometer (CV-AAS) after sampling (OSHA-140 method) from the flue gas stream. As a function of concentration, the mercury collection efficiency was higher at higher concentration of mercury. Higher collection efficiency was obtained under negative DC energization compared to other modes of energization of the ESP; however, power consumption under pulse application was much smaller compared to DC energization.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126136808","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: 26
Switched reluctance motor with 2-phase excitation 两相励磁开关磁阻电动机
J. Moon, Seok-Gyu Oh, Jin-Woo Ahn, Y. Hwang
{"title":"Switched reluctance motor with 2-phase excitation","authors":"J. Moon, Seok-Gyu Oh, Jin-Woo Ahn, Y. Hwang","doi":"10.1109/IAS.1998.732370","DOIUrl":"https://doi.org/10.1109/IAS.1998.732370","url":null,"abstract":"A new excitation strategy for a switched reluctance motor (SRM) is described and tested. This scheme excites two phases of an SRM simultaneously, which is similar to the two-phase excitation method of a step motor. In this scheme, the torque is produced by mutual inductances as well as by self inductances. The abrupt change of phase excitation produces mechanical stresses and results in torque ripple and noise. The acoustic noise is reduced remarkably through the sequential phase excitation in the two-phase excitation. This is because the scheme reduces abrupt changes in excitation levels by distributed, balanced excitation and free-wheeling during commutation. The operational principle and a characteristic comparison to that of the conventional SRM show that this novel excitation scheme has some advantages including torque ripple and noise reduction as well as simple inverter topology.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126984969","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: 6
Data collection and transmission system for vibration test 振动试验数据采集与传输系统
M. Kamiya, H. Ikeda, S. Shinohara, H. Yoshida
{"title":"Data collection and transmission system for vibration test","authors":"M. Kamiya, H. Ikeda, S. Shinohara, H. Yoshida","doi":"10.1109/IAS.1998.729782","DOIUrl":"https://doi.org/10.1109/IAS.1998.729782","url":null,"abstract":"This paper describes the vibration data collection and transmission system constructed using a pair of optical fiber signal transmission systems. One is a plastic optical fiber transmission system having a capability to correct error in transmitting vibration data through a movable plastic optical fiber. The transmission system was used to transmit vibration data from the noncontact vibration sensor attached to the robot arm to the robot basement through the plastic optical fiber installed in the robot arm. The other is a full duplex GI optical fiber transmission system, which was used to simultaneously transmit control data for shifting the position of the vibration sensor, a video signal for specifying the measuring position, and measured vibration data through a GI optical fiber. Since the scanning of the position of the vibration sensor was controlled by control data which was transmitted from the monitoring console room to the testing machine room during the scanning of the vibration sensor position, vibration of the components mounted on the device under test was satisfactorily read from the vibration sensor.","PeriodicalId":321042,"journal":{"name":"Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116414453","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: 6
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