Results 91 to 100 of about 10,329 (261)
Inversor trifásico de dois estágios modificado aplicado no processamento da energia solar fotovoltaica em sistemas conectados à rede elétrica [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2009.Este trabalho apresenta um sistema fotovoltaico trifásico conectado à rede elétrica comercial.
Casaro, Marcio Mendes
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A Synchronization Control System for Converters Based on FPGA
Kongzhi Yu Xinxi Jishu, 2019 To avoid problems of PWM edge jitter and sampling offset in the asynchronous control system of converters, this paper proposed a design scheme for synchronous control system of converters based on FPGA. The proposed scheme, which uses FPGA as the core of
LI Miao, QIU Yuefeng, ZHANG Shaoyun
doaj
The Scientific World Journal, 2013 The control strategy and design of an AC/DC/AC IGBT-PMW power converter for PMSG-based variable-speed wind energy conversion systems (VSWECS) operation in grid/load-connected mode are presented.
Yüksel Oğuz +2 more
doaj +1 more source
A Battery Energy Storage System Based On A Multilevel Cascade Pwm Converter
Eletrônica de Potência, 2009 This paper describes a 6.6-kV battery energy storage system based on a multilevel cascade PWM (pulsewidth- modulation) converter with star configuration. It discusses design concepts with and without a linefrequency transformer for grid connection.
Hirofumi Akagi, Laxman Maharjan
doaj +1 more source
High Voltage, EarlyView.ABSTRACT The emergence of (ultra)wide bandgap ((U)WBG)‐based devices has significantly enhanced performance in high‐frequency switching applications, enabling breakthroughs in electric transportation, aerospace, and renewable energy systems. However, it also presents considerable challenges to insulation systems, such as electric motor winding ...
Easir Arafat +3 more
wiley +1 more source
Unidade retificadora de alta performance 1500W-25A, para telecomunicações [PDF]
, 1993 Dissertação (mestrado) Universidade Federal de Santa Catarina, Centro TecnologicoEste trabalho enfatiza o desenvolvimento de uma unidade retificadora em alta freqüência para aplicação em centrais telefônicas com capacidade de 1500W.
Gaidzinski, Paulo Roberto
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High Voltage, EarlyView.ABSTRACT As one of the important links in energy transition and global energy interconnection, electric vehicles (EVs) are becoming increasingly major research topics in the field of energy. Partial discharge (PD) identification under repetitive impulsive voltages plays a pivotal role in evaluating the health of electric vehicle (EV) motor insulation ...
Li Wang +7 more
wiley +1 more source
Modulação vetorial aplicada a retificadores trifásicos PWM unidirecionais [PDF]
, 2006 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.Este trabalho apresenta a aplicação da modulação vetorial a retificadores trifásicos PWM unidirecionais de dois níveis.
Batista, Flabio Alberto Bardemaker
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Pemodelan Fuzzy Logic Control untuk Pengendali PWM pada Buck Converter
Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 2016 Recently the switching mode used in a buck converter is controlled by pulse width modulation (PWM) which has relatively higher efficiency compared to a linear power supply system. In general, there are two problems that often occur in the buck converter,
Helmy Mukti Himawan +2 more
doaj +1 more source
Application Status and Development Trends of DC Ice‐Melting Devices in China's Power Grid
IET Smart Energy Systems, EarlyView.This paper summarises the development history and engineering application status of DC ice‐melting devices (DCIMD) in China, analyses the principles, advantages, disadvantages and adaptability of mainstream topologies and discusses the key problems and corresponding improvement directions.
Ming Lei +6 more
wiley +1 more source