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检索条件"机构=Post-Graduate Program in Electrical Engineering"
246 条 记 录,以下是191-200 订阅
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Characterization of contacts degradation in circuit breakers through the dynamic contact resistance
Characterization of contacts degradation in circuit breakers...
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IEEE/PES Transmission and Distribution Conference and Exposition: Latin America
作者: R. T. de Souza E. G. da Costa A. C. de Oliveira W. de V. Sousa T. C. M. de Morais Industry Academic Unit Paraiba Federal Institute Brazil Department of Electrical Engineering Campina Grande Federal University Brazil Post-Graduate Program in Electrical Engineering - PPgEE - COPELE - DEE Campina Grande Federal University Brazil Encrgisa Paraiba Brazil
Static resistance measurement of circuit breakers has been a crucial technique to assess the state of contacts, supporting maintenance procedures. However, in many cases, the obtained results do not provide accurate d... 详细信息
来源: 评论
Open-end multi-level six-phase machine drive system with three three-phase DC-link converters
Open-end multi-level six-phase machine drive system with thr...
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Annual Conference of Industrial Electronics Society
作者: A. C. N. Maia C. B. Jacobina N. B. Freitas Post-Graduate Program in Electrical Engineering – PPgEE Federal University of Campina Grande (UFCG) Campina Grande PB Brazil Federal Institute of Alagoas (IFAL) Palmeira dos Indios AL Brazil
A novel multi-level AC six-phase motor drive is developed in this paper. The scheme is based on three conventional 2-level three-phase voltage source inverters (VSIs) supplying the open-end windings of a dual three-ph... 详细信息
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One and Two Dc-Links Universal Active Power Filter Without Series Isolation Transformer
One and Two Dc-Links Universal Active Power Filter Without S...
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IEEE Energy Conversion Congress and Exposition
作者: P. L. S. Rodrigues C. B. Jacobina G. A. de A. Carlos M. B. R. Correa M. A. Vitorino Post-Graduate Program in Electrical Engineering - PPgEE - Copele Federal University of Campina Grande (UFCG) Campina Grande - 58429-900 - Paraiba - Brazil Department of Electrical Engineering Federal University of Campina Grande (UFCG) Campina Grande - 58429-900 - Paraiba - Brazil
This paper presents two universal active power filter (UAPF) configurations for reactive power and harmonic compensation without series isolation transformer. The proposed systems combine both series and shunt compens... 详细信息
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Hybrid Open-End and NPC AC Six-Phase Machine Drive Systems
Hybrid Open-End and NPC AC Six-Phase Machine Drive Systems
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IEEE Energy Conversion Congress and Exposition
作者: Victor F. M. B. Melo Cursino B. Jacobina Nady Rocha Post-Graduate Program in Electrical Engineering - PPgEE - COPELE - UFCG Campina Grande Paraiba Brazil Electrical Engineering Department - Federal University of Campina Grande - UFCG Campina Grande Paraiba Brazil Federal University of Paraiba - UFPB Joao Pessoa Paraiba Brazil
This paper presents two machine drive system based on a six-phase machine (SPM) and three-leg converters. The machine is composed of two three-phase groups. For the first configuration, one of the groups is connected ... 详细信息
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AC-DC-AC nine-phase machine drive system based on H-bridges and three-leg converters
AC-DC-AC nine-phase machine drive system based on H-bridges ...
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作者: Melo, Victor F.M.B. Jacobina, Cursino B. Braga-Filho, Edgar R. Cavalcanti, Rodolpho M. De Freitas, Isaac S. Macena, Roberto S. Carlos, Gregory A. De A. Post-Graduate Program in Electrical Engineering - PPgEE COPELE UFCG Brazil Federal University of Campina Grande - UFCG Campiña Grande Paraíba Brazil Federal University of Paraiba - UFPB Joao Pessoa Paraíba Brazil Federal Institute of Technology of Sergipe - IFSE Estancia Sergipe Brazil Federal Institute of Technology of Alagoas - IFAL Palmeira Dos Indios Alagoas Brazil
This paper presents an ac-dc-ac reversible nine-phase machine drive system. The grid side converter is composed of Y-connected single-phase bridges. As the machine is composed of three three-phase groups, a three-leg ... 详细信息
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Six-phase open-end machine conversion system with reduced number of controlled components
Six-phase open-end machine conversion system with reduced nu...
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Annual Conference of Industrial Electronics Society
作者: Victor F. M. B. Melo Cursino B. Jacobina Nady Rocha Nustenil S. Marinus Post-Graduate Program in Electrical Engineering UFCG Electrical Engineering Department Federal University of Campina Grande - UFCG Campina Grande Paraíba Brazil Federal University of Paraíba - UFPB João Pessoa Paraíba Brazil Federal Institute of Technology of Ceara - IFCE
This paper presents two six-phase open-end machine conversion systems. They are composed of three three-leg converters connected in series to a six-phase machine with open terminals, in an open-end winding connection.... 详细信息
来源: 评论
Modulation diversity effects in rayleigh fading multipath channels
Modulation diversity effects in rayleigh fading multipath ch...
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International Symposium on Telecommunications
作者: Raphael Tavares de Alencar Matheus de Araújo Cavalcante Waslon Terllizzie Araújo Lopes Wamberto José Lira de Queiroz Marcelo Sampaio de Alencar Federal University of Campina Grande (UFCG) Brazil Post-Graduate Program in Electrical Engineering-PPgEE-COPELE Institute for Advanced Studies in Communications (IECOM) Brazil Universidade Federal de Campina Grande Campina Grande PB BR
The wireless channel has characteristics of multipath fading, due to reflection, refraction and scattering. Modulation diversity is a bandwidth-efficient diversity technique that uses rotation, associated with the int... 详细信息
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Estimating computer systems power consumption for time scaled experiments
Estimating computer systems power consumption for time scale...
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IEEE International Conference on Consumer Electronics - Berlin (ICCE-Berlin)
作者: Bruna M. J. C. Vilar Arthur V. De N. Silva Igor M. B. Ulisses Jaidilson Jó da Silva Angelo Perkusich Fred M. Bublitz Post-Graduate Program in Electrical Engineering - PPgEE - COPELE Embedded Systems and Pervasive Computing Laboratory Center of Electrical Engineering and Informatics Universidade Federal de Campina Grande Campina Grande PB BR Embedded Systems and Pervasive Computing Laboratory Center of Electrical Engineering and Informatics Federal University of Campina Grande Campina Grande Brazil Electrical Engineering Department (DEE) Paraíba State University (UEPB)
Power policies are widely applied at computer systems such as desktops, notebooks, and smartphones. For example, the timeout policy to turn off the display. A power management policy must be tested by measuring the po... 详细信息
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SAPF with two Dc-links and series converters feeding OEW transformers for 3P4W systems
SAPF with two Dc-links and series converters feeding OEW tra...
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Annual Conference of Industrial Electronics Society
作者: Gregory A. de A. Carlos Cursino B. Jacobina Euzeli C. dos Santos Department of Control and Industrial Process Federal Institute of Alagoas (IFAL) Palmeira dos Índios - 57601-220 - Alagoas - Brazil Post-Graduate Program in Electrical Engineering - PPgEE - Copele Federal University of Campina Grande (UFCG) Campina Grande Paraíba Brazil Department of Electrical and Computer Engineering Purdue School of Engineering and Technology (IUPUI) Indiana USA
This paper presents a shunt active power filter (SAPF) topology, based on the concept of a transformer with open-end winding (OEW), for reactive power and harmonic compensations employed in three-phase four wire (3P4W... 详细信息
来源: 评论
Investigation on Dynamic Voltage Restorers With Two DC-Links and Series Converters for Three-Phase Four-Wire Systems
Investigation on Dynamic Voltage Restorers With Two DC-Links...
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IEEE Energy Conversion Congress and Exposition
作者: Gregory A. A. Carlos Cursino B. Jacobina Euzeli C. dos Santos Department of Control and Industrial Process Federal Institute of Alagoas (IFAL) Palmeira dos Indios - 57601-220 - Alagoas - Brazil Post-Graduate Program in Electrical Engineering - PPgEE - Copele Department of Electrical Engineering Federal University of Campina Grande (UFCG) Campina Grande - 58429-900 - Paraiba - Brazil Department of Electrical and Computer Engineering Purdue School of Engineering and Technology (IUPI) Indianapolis - 46202-5160 - Indiana - USA
This paper proposes three dynamic voltage restorer (DVR) topologies. Such configurations are able to compensate voltage sags/swells in three-phase four-wire (3P4W) systems under balanced and unbalanced conditions. The... 详细信息
来源: 评论