Énergie : peut-on changer les règles du jeu ? ENERGIA PODEMOS MUDAR AS REGRAS

Conférence Cyclope du 20/03/2013 par Henri Safa, Direction de l'énergie nucléaire
INTERESANTE Y EXCELENTE EXPOSICION DE UN TEMA DE ACTUALIDAD PERMANENTE EL DESAFIO DE LA ENERGIA EN EL MUNDO,ENERGIA HIRAULICA,ENERGIA DEL CARBON,ENERGIA NUCLEAR,ENERGIA DEL GAS,ENERGIA PRODUCIDA POR EL PETROLEO,CONSECUENCIAS POLITICAS,ECONOMICAS,AMBIENTALES DEL ACTUAL USO DE LA ENERGIA,PROBLEMAS A RESOLVER 2010-2050.

METREL MI 2792 PowerQ4 Plus

CAD-Integrated CFD for use in electronics cooling

Low harmonic content three-phase-to-DC-conversion using AC-side switches and discontinuous conduction mode utor: Carlton, Dan Degree Doctor of Philosophy - PhD Program Electrical and Computer Engineering THE UNIVERSITY OF BRITISH COLUMBIA

					Arquivos deste item Arquivos Tamanho Formato Descrição   Visualização ubc_1999-38862X.pdf 9.051Mb Adobe Portable Document Format   Visualizar/Abrir

A new DSP controlled bi-directional DC/DC converter system for inverter/charger applications Swingler, Andrew Duncan Degree Doctor of Philosophy - PhD Program Electrical and Computer Engineering THE UNIVERSITY OF BRITISH COLUMBIA

Título:	A new DSP controlled bi-directional DC/DC converter system for inverter/charger applications
Autor:	Swingler, Andrew Duncan
Degree	Doctor of Philosophy - PhD
Program	Electrical and Computer Engineering
Copyright Date:	2003
URI:	http://hdl.handle.net/2429/16121

Arquivos	Tamanho	Formato	Descrição		Visualização
ubc_2004-902749.pdf	10.69Mb	Adobe Portable Document Format			Visualizar/Abrir

DOWNLOAD FULL
http://www.mediafire.com/?syvrf7shxpx0b6a

OUTPUT VOLTAGE CONTROL OF A FOUR-LEG INVERTER BASED THREE-PHASE UPS BY MEANS OF STATIONARY FRAME RESONANT FILTER BANKS BY EYYUP DEMİRKUTLU

OUTPUT VOLTAGE CONTROL
OF A FOUR-LEG INVERTER BASED THREE-PHASE UPS
BY MEANS OF STATIONARY FRAME RESONANT FILTER BANKS
BY
EYYUP DEMİRKUTLU

A THESIS SUBMITTED TO
THE GRADUATE SCHOOL OF NATURAL AND APPLIED SCIENCES
OF
MIDDLE EAST TECHNICAL UNIVERSITY

DOWNLOAD FULL THESIS
http://www.mediafire.com/?wa85c49r88sxeg3

Design and Control of an Inverter for Photovoltaic Applications by Søren Bækhøj Kjær

Dissertation submitted to the Faculty of Engineering and Science at Aalborg University
in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Ph.D.)
in Electrical Engineering.
The public defence took place on May 27, 2005. The assessment committee was:
• Professor Vassilios G. Agelidis, Murdoch University, Australia
• Professor Jorma Kyyrä, Helsinki University of Technology, Finland
• Associate Professor Remus Teodorescu, Aalborg University (Chairman)
DOWNLOAD FULL THESIS
http://www.mediafire.com/?vg53s61fnwzzw6a

Modular Power Electronic Converters in the Power Range 1 to 10 kW by Pawel Klimczak Aalborg University, Denmark Institute of Energy Technology

Abstract
Thanks to CO2 emission reduction policies and increasing prices of fossil fuels a
significant growth in field of sustainable energy sources (SES) is being observed
during last decade. A government support and take-off projects in Europe and US
shall ensure an increasing trend in future too. Some of SES based plants , like
hydro-, geothermal-, biofuel-plants, use synchronous generators directly connected
to the grid. But some other SES technologies, like fuel cell or photovoltaic, require
a power electronic converter between the energy source and the load or the grid.
Work presented in this thesis concentrates on dc-dc non-isolated converters suitable
for high voltage gain applications, like uninterruptible power supply (UPS) and
some of sustainable energy sources. A special attention is on reduction of power
losses and efficiency improvements in non-isolated dc-dc step-up converters.
DOWNLOAD FULL THESIS
http://www.mediafire.com/?8ammjw81mer0bl0

Non-isolated Single Phase Uninterruptible Power Supply (UPS) System Muhammad Aamir and Hee-Jun Kim Dept. of Electronics, Electrical, Control, and Instrumentation Engineering, Hanyang University, Korea

Non-isolated Single Phase Uninterruptible Power Supply (UPS) System Muhammad Aamir and Hee-Jun Kim Dept. of Electronics, Electrical, Control, and Instrumentation Engineering, Hanyang University, Korea
Abstract-- In this paper, a high performance single phase
transformer-less online uninterruptable power supply (UPS)
is proposed. The use of the bidirectional buck-boost
converter with high conversion ratio not only reduces the
number of batteries but also ensures a transformer-less
system. The rectifier has capability of power factor
correction and provides regulated DC link voltage whereas
the inverter provides a regulated sinusoidal output voltage
to the load. In order to control the transient effect, efficient
control scheme is adopted in the system. The overall
efficiency of the system is improved with significant
reduction in size and weight of the system due to decrease
number of batteries. Qualitative analysis and experimental
results obtained with a 500VA prototype shows a normal
efficiency of over 94% and an input power factor of over 99%.
DOWNLOAD FULL PAPER
http://www.mediafire.com/?w2twja6ndyui660

Eaton's PSEC - Harmonics