Results 71 to 80 of about 156,626 (252)
Research of Rectification Technology of Electric Locomotive under Unbalanced Three-phase Voltage
Gong-kuang zidonghua, 2012 In view of problem of negative sequence current component in AC side of traditional PWM rectifier because of unbalanced three-phase voltage existed in converter system of underground DC electric locomotive, the paper proposed a control strategy of ...
LV Kang-fei, SHI Chao-yue
doaj
Control of Unit Power Factor PWM Rectifier
Energy and Power Engineering, 2013 To solve the problem of harmonic pollution to the power grid that caused by traditional diode rectifier and phase controlled rectifier, the unit power factor PWM rectifier is designed. The topology structure of the rectifier circuit is introduced and the double closed-loop control strategy in three-phase stationary coordinate system is analyzed.
Meifang Xue, Mingzhi He
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Modular OrCAD simulation approach in teaching power electronics [PDF]
, 2014 In this paper the authors present a new technique which can be used in simulating multi power electronic circuits at the same time in a very accurate way without the worries of the circuit analysis being diverted during the simulation.
Darwish, M, Marouchos, C
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Soft Switching Full-Bridge PWM DC/DC Converter Using Secondary Snubber [PDF]
Journal of Electrical and Electronics Engineering, 2009 A novel full-bridge PWM DC/DCconverter with controlled secondary side rectifier usingsecondary snubber is presented in this paper.Limitation of the circulating current as well as softswitching for all power switches of the inverter isachieved for full ...
Jaroslav Dudrik +4 more
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Two-leg three-phase inverter control for STATCOM and SSSC applications [PDF]
, 2008 Flexible ac transmission systems (FACTS) devices are attracting an increasing interest both in power system academic research and in electric utilities for their capabilities to improve steady-state performance as well as system stability.
Griffo, A., Lauria, D.
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Application of Sliding Mode Variable Structure in Direct Power Control for PWM Rectifier
Kongzhi Yu Xinxi Jishu, 2015 Based on the instantaneous power theory, it deduced mathematical model of active and reactive power for three-phase PWM rectifier in two-phase stationary coordinate system, and proposed sliding mode variable structure control (SMVSC) strategy to achieve ...
XIE Dan, XIAO Shenping, CHEN Jielian
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An Efficiency-Focused Design of Direct-DC Loads in Buildings [PDF]
, 2019 Despite the recent interest in direct current (DC) power distribution in buildings, the market for DC-ready loads remains small. The existing DC loads in various products or research test beds are not always designed to efficiently leverage the benefits ...
Brown, Richard +2 more
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Kongzhi Yu Xinxi Jishu, 2012 The digital model of three-phase PWM rectifier is always the hot topic of research. This thesis testifies the three-phase single input/output (SISO) PWM rectifier model, based on which the controller is designed and its control effect is demonstrated ...
CHEN Tao, ZHANG Zhixue, MEI Wenqing
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Improving the Power Electronics Laboratory teaching/learning process: an interactive web tool [PDF]
, 2017 European Higher Education Area; Power Electronics Laboratory; educational methods Resumen: The forthcoming European Higher Education Area implies an important change in the teaching/learning process: it is necessary to get students more involved as well
Blazquez-Parra, Elidia Beatriz +2 more
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A High Power Factor Hybrid three-phase Rectifier with Regenerative Capability
Eletrônica de Potência, 2012 This paper presents theoretical analysis and experimentation of a hybrid three-phase rectifier suitable for medium and high power applications. The hybrid rectifier is formed by the parallel connection of a three-phase diode bridge rectifier cascaded by
Carlos Henrique Illa Font, Ivo Barbi
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