نتایج جستجو برای: renewable

تعداد نتایج: 34433  

2017
Eunil Park Ki Joon Kim Sang Jib Kwon Taeil Han Wongi S. Na Angel P. del Pobil

While environmental and energy concerns have become global issues, the government of South Korea has made notable efforts and formulated plans for the diffusion of renewable energy generation facilities for the nation’s public and governmental institutions. Accordingly, Jeju Island has become one of the most promising locations for utilizing renewable energy resources. This study aims to propos...

Journal: :Bioresource technology 2012
Yu-Sin Jang Alok Malaviya Changhee Cho Joungmin Lee Sang Yup Lee

Global energy crisis and limited supply of petroleum fuels have rekindled the worldwide focus towards development of a sustainable technology for alternative fuel production. Utilization of abundant renewable biomass offers an excellent opportunity for the development of an economical biofuel production process at a scale sufficiently large to have an impact on sustainability and security objec...

2016
Vijiyo Wilson MD. Saravanan

Due to the decade of fossil fuels at present renewable energy plays an important role in generating power to meet the load requirements. Power produced from the renewable energy is very low. So chopper circuit is required to boost the voltage level of renewable energy sources. Chopper is a circuit in which fixed DC voltage is converted into variable voltage. There are many types of chopper circ...

2009
Marcos Watanabe

Global discussions involving the enhancement of renewable energy use frequently highlight the European Union “Triple 20” deal as the main large-scale effort aimed at changing the worldwide pattern of fossil fuel consumption to power economic activities. Actually, the targets of carbon emissions reduction and increase in the use of renewable energy before 2020 symbolize an extraordinary attempt ...

2008
E. Liu J. Bebic Ben Kroposki

NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, o...

2007
Jeff Newmiller Chuck Whitaker

ii Acknowledgments The authors wish to acknowledge the extensive contributions of the following people to this report. iii Preface Now is the time to begin planning for the integration of significant quantities of distributed renewable energy onto the electricity grid. Factors such as growing concern about climate change, adoption of state-level renewable portfolio standards and incentives, and...

2012
Deepak Kumar

Renewable energy has had a steady and continuous growth in electric sector worldwide. The need of the hour is to sensitize the general public about the importance of judicious use of energy being generated by conventional sources energy sources and simultaneously shift our dependence on renewable but sustainable energy sources. To mitigate environmental degradation and reduce carbon emission wo...

2016
P. Sushma Devi Venu Gopala Rao

Abstract:This paper presents the planning of an optimal Energy Management System (EMS) supported by a fuzzy logic Controller (FLC) for a residential grid-connected micro grid with hybrid renewable generation (Wind & Photo Voltaic) and storage system. Modelling hybrid system includes Renewable Energy Sources given at intermittent supply conditions and dynamic energy demand, and to make conceptua...

2017
Ashok Kumar Akella Somnath Das

In this paper a step-by-step approach is presented for the adoption of technologies designed to exploit hybrid renewable (solar, wind, biomass and small hydro) energy Systems at the rural level. It is centered around the establishment of rural energy centers to improve the basic living environment. In due course, the role of these centers is to be expanded to encompass agricultural, domestic, t...

Journal: :European Journal of Operational Research 2008
Ramón Alvarez-Valdés Enric Crespo José Manuel Tamarit Fulgencia Villa

Recently, in the field of project scheduling problems the concept of partially renewable resources has been introduced. Theoretically, it is a generalization of both renewable and non-renewable resources. From an applied point of view, partially renewable resources allow us to model a large variety of situations that do not fit in classical models, but can be found in real problems in timetabli...

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