Abstract – A bidirectional DC-DC converter (BDC) is an indispensable electrical unit for the electric
vehicles (EVs). High efficiency, high power density, isolation, light weight and reliability are all
essential requirements for BDC. In this paper, a 3 kW BDC for the battery charger of EVs is proposed.
The proposed converter consists of a half-bridge structure on the primary side and an isolation
transformer and a synchronous rectifier structure on the secondary side. With this topology, minimum
number of switching devices are required for bidirectional power flow between the two dc buses of
EVs. The easy implementation of the synchronous rectification gives advantages in terms of
efficiency, cost and flexibility. The proposed BDC achieves high efficiency when operating in both
modes (step-up and step-down). A 3 kW prototype is implemented to verify theoretical analysis
and the performance of the proposed converter.
LINK ORIGINAL
http://www.jeet.or.kr/ltkPSWeb/pub/pubfpfile.aspx?ppseq=1515
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AUTOR DO BLOG ENG.ARMANDO CAVERO MIRANDA SÃO PAULO BRASIL
"OBRIGADO DEUS PELA VIDA,PELA MINHA FAMILIA,PELO TRABALHO,PELO PÃO DE CADA DIA,PROTEGENOS DO MAL"
quinta-feira, 16 de junho de 2016
quinta-feira, 9 de junho de 2016
Electrical measurements-Author Panfilov VA - Панфилов В.А. Электрические измерения
Book electrical measurements is a textbook for students. It sets out the basic concepts of electrical measurement and metrology. Presents the basic methods and means of measurement of non-electrical and electrical quantities, as well as information on the operating principle, the use of the device and the transducers and instruments.
LINK
ADVANCED INTELLIGENT CONTROL AND OPTIMIZATION FOR CARDIAC PACEMAKER SYSTEMS by Wei Shi -Department of Electrical and Computer Engineering - Faculty of New Jersey Institute of Technology -2012
ADVANCED INTELLIGENT CONTROL AND OPTIMIZATION FOR CARDIAC PACEMAKER SYSTEMS by Wei Shi
A Dissertation Submitted to the Faculty of New Jersey Institute of Technology in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Electrical Engineering Department of Electrical and Computer Engineering
May 2012
LINK ORIGINAL WEB
http://archives.njit.edu/vol01/etd/2010s/2012/njit-etd2012-043/njit-etd2012-043.pdf
quarta-feira, 8 de junho de 2016
A Study of Synchronous Rectifier for High Efficiency Multi Output DC-DC Converter - Hyun Jeon -Department of Electronic Engineering-Cheongju University-SOUTH KOREA
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A Study of Synchronous Rectifier for High Efficiency Multi Output DC-DC Converter Hyun Jeon Department of Electronic Engineering The Graduate School of Cheongju University. Supervised by Professor Tae-Young Ahn, Ph. D
ABSTRACT
This paper proposed synchronous rectifier in forward converter including resonance reset did not get efficiency drive waveform for that is existent dead time period. Therefore, proposed synchronous rectifier of new way accordingly to solve problem by happened drive circuit. Confirmed usefulness and practicality by drive circuit that compose experiment circuit and propose through experiment result. Input voltage of experiment circuit are 380V, and output voltage are 12V, and maximum output current is 20A, and maximum output was 100W. And, to report the experimental results the core losses of VRM inductor. The VRM, that has a output voltage 1.5V, output current 60A, maximum power of 90W. Experimental results verify, the VRM has a almost same data of fast transient response, a efficiency test with high flux and ferrite inductor. A maximum power conversion efficiency of the experimental VRM was measured at 92% within 0.2% load regulation.
LINK THESIS
http://www.mediafire.com/download/52qg4cob6q5s12k/Synchronous_Rectifier_Converter_DC-DC.pdf
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