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Solar Energy: State of the Art
Downloaded from orbit.dtu.dk on: Sep 27, 2021 Solar energy: state of the art Furbo, Simon; Shah, Louise Jivan; Jordan, Ulrike Publication date: 2003 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Furbo, S., Shah, L. J., & Jordan, U. (2003). Solar energy: state of the art. BYG Sagsrapport No. SR 03-14 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Editors: Simon Furbo Louise Jivan Shah Ulrike Jordan Solar Energy State of the art DANMARKS TEKNISKE UNIVERSITET Internal Report BYG·DTU SR-03-14 2003 ISSN 1601 - 8605 Solar Energy State of the art Editors: Simon Furbo Louise Jivan Shah Ulrike Jordan Department of Civil Engineering DTU-bygning 118 2800 Kgs. Lyngby http://www.byg.dtu.dk 2003 PREFACE In June 2003 the Ph.D. course Solar Heating was carried out at Department of Civil Engineering, Technical University of Denmark. -
Application of Solar Energy for Lighting in Opencast Mines
Application of Solar Energy for Lighting in Opencast Mines A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Technology In Mining Engineering By Abhishek Kumar Tripathi (Roll No. 212MN1424) DEPARTMENT OF MINING ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY ROURKELA -769 008, INDIA MAY 2014 Application of Solar Energy for Lighting in Opencast Mines A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Technology In Mining Engineering By Abhishek Kumar Tripathi (Roll No. 212MN1424) Under the guidance of Dr. H. B. Sahu Associate Professor DEPARTMENT OF MINING ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY ROURKELA -769 008, INDIA MAY 2014 National Institute of Technology Rourkela CERTIFICATE This is to certify that the thesis entitled “Application of Solar Energy for Lighting in Opencast Mines” submitted by Sri Abhishek Kumar Tripathi (Roll No. 212MN1424) in partial fulfillment of the requirements for the award of Master of Technology degree in Mining Engineering at the National Institute of Technology, Rourkela is an authentic work carried out by him under my supervision and guidance. To the best of my knowledge, the matter embodied in this thesis has not formed the basis for the award of any Degree or Diploma or similar title of any University or Institution. Date: Dr. H. B. Sahu Associate Professor Department of Mining Engineering NIT, Rourkela-769008 i ACKNOWLEDGEMENT I take the opportunity to express my reverence to my supervisor Prof. H. B. Sahu for his guidance, constructive criticism and valuable suggestions during the course of this work. I find words inadequate to thank him for his encouragement and effort in improving my understanding of this project. -
A Comprehensive Review of Thermal Energy Storage
sustainability Review A Comprehensive Review of Thermal Energy Storage Ioan Sarbu * ID and Calin Sebarchievici Department of Building Services Engineering, Polytechnic University of Timisoara, Piata Victoriei, No. 2A, 300006 Timisoara, Romania; [email protected] * Correspondence: [email protected]; Tel.: +40-256-403-991; Fax: +40-256-403-987 Received: 7 December 2017; Accepted: 10 January 2018; Published: 14 January 2018 Abstract: Thermal energy storage (TES) is a technology that stocks thermal energy by heating or cooling a storage medium so that the stored energy can be used at a later time for heating and cooling applications and power generation. TES systems are used particularly in buildings and in industrial processes. This paper is focused on TES technologies that provide a way of valorizing solar heat and reducing the energy demand of buildings. The principles of several energy storage methods and calculation of storage capacities are described. Sensible heat storage technologies, including water tank, underground, and packed-bed storage methods, are briefly reviewed. Additionally, latent-heat storage systems associated with phase-change materials for use in solar heating/cooling of buildings, solar water heating, heat-pump systems, and concentrating solar power plants as well as thermo-chemical storage are discussed. Finally, cool thermal energy storage is also briefly reviewed and outstanding information on the performance and costs of TES systems are included. Keywords: storage system; phase-change materials; chemical storage; cold storage; performance 1. Introduction Recent projections predict that the primary energy consumption will rise by 48% in 2040 [1]. On the other hand, the depletion of fossil resources in addition to their negative impact on the environment has accelerated the shift toward sustainable energy sources. -
Present Status of Installed Solar Energy for Generation of Electricity in Bangladesh Nusrat Jahan, Md
International Journal of Scientific & Engineering Research, Volume 4, Issue 10, October-2013 604 ISSN 2229-5518 Present Status of Installed Solar Energy for Generation of Electricity in Bangladesh Nusrat Jahan, Md. Abir Hasan, Mohammad Tanvir Hossain, Nwomey Subayer Abstract— Electricity is a basic need of our daily life. Our daily life depends on the amount of electricity usage. But in our country only 40 percent peo- ple has the access of the electricity. Moreover fossil fuel is non-renewable, so it is diminishing day-by-day. As a result we need different solution of elec- tricity generation. In our country, so renewable energy is becoming more popular day by day along with the world. Solar Energy is one of that kind re- newable energy. Its application is increasing day by day. Bangladesh has good availability of solar energy to generate electricity. In this study production of electricity using solar energy in Bangladesh along with the world has been shown in details. Index Terms— Electricity, Solar Energy, Bangladesh, PV installation, Renewable Energy, fossil fuels. —————————— —————————— 1 INTRODUCTION Low-income developing countries like Bangladesh are very 4.7, Spain 4.2, the USA 4.2, and China 2.9.Many solar photo- much susceptible to the setbacks arising from the ongoing en- voltaic power stations have been built, mainly in Europe. As ergy crisis. Natural gas lies at the heart of the country's energy of December 2011, the largest photovoltaic (PV) power plants usage, accounting for around 72% of the total commercial en- in the world are the Golmud Solar Park (China, 200 MW), Sar- ergy consumption and 81.72% of the total electricity generated nia Photovoltaic Power Plant (Canada, 97 MW), Montalto di [1, 2]. -
Comparative Analysis of Wind, Solar and Landfill Gases As Alternative Sources of Energy for Electricity Generation
University of New Orleans ScholarWorks@UNO University of New Orleans Theses and Dissertations Dissertations and Theses 12-17-2010 Comparative Analysis of Wind, Solar and Landfill Gases as Alternative Sources of Energy for Electricity Generation Suruchi Verma University of New Orleans Follow this and additional works at: https://scholarworks.uno.edu/td Recommended Citation Verma, Suruchi, "Comparative Analysis of Wind, Solar and Landfill Gases as Alternative Sources of Energy for Electricity Generation" (2010). University of New Orleans Theses and Dissertations. 1262. https://scholarworks.uno.edu/td/1262 This Thesis is protected by copyright and/or related rights. It has been brought to you by ScholarWorks@UNO with permission from the rights-holder(s). You are free to use this Thesis in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights- holder(s) directly, unless additional rights are indicated by a Creative Commons license in the record and/or on the work itself. This Thesis has been accepted for inclusion in University of New Orleans Theses and Dissertations by an authorized administrator of ScholarWorks@UNO. For more information, please contact [email protected]. Comparative Analysis of Wind, Solar and Landfill Gases as Alternative Sources of Energy for Electricity Generation A Thesis Submitted to the Graduate Faculty of the University of New Orleans in partial fulfillment of the requirements for the degree of Master of Science in Engineering Electrical By Suruchi Verma B.Tech., Punjab Technical University, India, 2007 December, 2010 Acknowledgement It gives me pleasure to thank the many people who made this thesis possible. -
Compact High Voltage Electric Power Transmission
Compact High Voltage Electric Power Transmission By Dennis Woodford, P.Eng. [email protected] January 3, 2014 Introduction There is a developing need to provide high voltage electric power transmission that minimizes impact on the environment, agriculture and communities. Overhead transmission lines have been the normal located on designated rights-of-way. Acquiring new right-of way for overhead ac transmission lines is usually challenging to permit and in some jurisdiction impossible to obtain. To minimize the adverse effects of high voltage electric power transmission lines, new technologies are forthcoming that when applied may be more acceptable. By judicious compacting of high voltage direct current (HVDC) and high voltage alternating current (HVAC) transmission systems, existing rights-of-way can be utilized, such as along roads or rail lines. A concept for compacting transmission lines for this purpose is presented. Note: Portions or all of this paper may be copied, quoted or referred to so long as Electranix Corporation is acknowledged. Electranix Corporation, 12 – 75 Scurfield Blvd, Winnipeg, MB R3Y 1G4, Canada. www.electranix.com Compacting HVDC Transmission A new technology to convert HVAC power to HVDC power and vice versa is being successfully applied throughout the world enabling use of HVDC transmission. These converters apply large power transistors in what are designated voltage sourced converters (VSC) enabling VSC transmission. One popular configuration of voltage sourced converters is termed “symmetrical monopoles.” When a converter station has two symmetrical monopoles, it is not unlike the more conventional configuration of a “bipole” which also has two poles. When a bipole is rated at ±500 kV, it has two poles, each 500 kV and grounded at one end so that the generated HVDC line voltage has one polarity positive and the other polarity negative. -
1 Bus Bar, Split Bus Bar System, Special Purpose Cables. Electrical Diagram and Identification Scheme. Circuit Controlling Devic
Volume – II POWER DISTRIBUTION SYSTEM Bus Bar, split bus bar system, special purpose cables. Electrical diagram and identification scheme. Circuit controlling devices. Power utilization-typical application to avionics. Bus Bar - Introduction In most of aircrafts, the output from the generating sources is coupled to one or more low impedance conductors referred as bus bars. This are situated at central points within the aircraft and provides positive supplies to various consumer circuits. In a very simple system a bus bar can take the form of a strip of interlinked terminals while in complex system. Main bus bars are thick metal strips or rods to which input and output supply connections can be made. Bus Bar Systems Requirements: i) Power-consuming equipment must not be deprived of power in the event of power source failures. ii) Failure on the distribution system should have the minimum effect on system functioning. 1 Introduction to Avionics iii) Power consuming equipment faults must not endanger the supply of power to other equipment. Types of Consumer Services: i) Vital Services: These services are connected directly to the battery. For Example, during an emergency wheels up landing emergency lighting and crash switch operation of fire extinguishers are required. ii) Essential Services: Those are required to ensure safe flight in an in- flight emergency situation. They are connected to dc or ac bus bars. iii) Non-Essential Services: These are isolated in an in-flight emergency for load shedding purposes. Bus bar System: From the below diagram 1.1 the power supplies are 28 volts dc from engine driven generators, 115 volts 400 Hz ac from rotary inverters and 28 volts dc from batteries. -
Solar Combisystems
Method and comparison of advanced storage concepts A Report of IEA Solar Heating and Cooling programme - Task 32 “Advanced storage concepts for solar and low energy buildings” Report A4 of Subtask A December 2007 Jean-Christophe Hadorn Thomas Letz Michel Haller Method and comparison of advanced storage concepts Jean-Christophe Hadorn, BASE Consultants SA, Geneva, Switzerland Thomas Letz INES Education, Le Bourget du Lac, France Contribution on method: Michel Haller Institute of Thermal Engineering Div. Solar Energy and Thermal Building Simulation Graz University of Technology Inffeldgasse 25 B, A-8010 Graz A technical report of Subtask A BASE CONSULTANTS SA 8 rue du Nant CP 6268 CH - 1211 Genève INES - Education Parc Technologique de Savoie Technolac 50 avenue du Léman BP 258 F - 73 375 LE BOURGET DU LAC Cedex 3 Executive Summary This report presents the criteria that Task 32 has used to evaluate and compare several storage concepts part of a solar combisystem and a comparison of storage solutions in a system. Criteria have been selected based on relevance and simplicity. When values can not be assessed for storage techniques to new to be fully developped, we used more qualitative data. Comparing systems is always a very hard task. Boundary conditions and all paramaters must be comparable. This is very difficult to achieve when 9 analysts work around the world on similar systems but with different storage units. This report is an attempt of a comparison. Main generic results that we can draw with some confidency from the inter comparison of systems are: - The drain back principle increases thermal performances because it does not use of a heat exchanger in the solar loop and increases therefore the efficiency of the solar collector. -
US, Qatar Commit to Advance High-Level Strategic Co-Operation
COMMUNITY | Page 16 QATAR | Page 7 South African cancer survivor says she owes it to Qatar New system to improve for saving life training standards in driving schools published in QATAR since 1978 WEDNESDAY Vol. XXXX No. 11240 July 10, 2019 Dhul Qa’dah 7, 1440 AH GULF TIMES www. gulf-times.com 2 Riyals US, Qatar commit to advance high-level strategic co-operation His Highness the Amir Sheikh Tamim bin Hamad al-Thani with US President Donald His Highness the Amir Sheikh Tamim bin Hamad al-Thani and US President Donald Trump attending the working lunch at the White House yesterday. Trump meeting at the White House yesterday. O Amir meets US President at the White House O Several agreements and MoUs signed in the fields of trade, investment and defence O Trump highlights role of Al Udeid Air Base QNA world, hailing Qatar’s large invest- the desire to multiply this fi gure for his planes and Gulfstream Aviation. Washington ments in the United States and the huge confi dence in the US economy. They also witnessed the signing of an agreements which will be signed later The Amir extended an invitation to agreement in the fi eld of air defence to in the day in the fi elds of trade, invest- the US president to visit Qatar and Al provide Qatar with multiple additional is Highness the Amir Sheikh ment and defence. Udeid Air Base. systems of air defence. Tamim bin Hamad al-Thani Trump highlighted the role of Al President Trump thanked the Amir The signing ceremony was attended Hand the President of the United Udeid Air Base and its strategic impor- for the invitation, and praised the by members of the offi cial delegation States of America Donald Trump dis- tance in the Middle East, terming it as achievements made by Qatar at Al accompanying the Amir. -
Global Journal of Research in Engineering
Online ISSN : 2249-4596 Print ISSN : 0975-5861 Photovoltaic Power Stations Kinetic Induktance Charges Evaluation of Residual Stress Design and Simulation Patterns VOLUME 14 ISSUE 5 VERSION 1.0 Global Journal of Researches in Engineering: J General Engineering Global Journal of Researches in Engineering: J General Engineering Volume 14 Issue 5 (Ver. 1.0) Open Association of Research Society © Global Journal of Global Journals Inc. Researches in Engineering. (A Delaware USA Incorporation with “Good Standing”; Reg. Number: 0423089) Sponsors: Open Association of Research Society 2014. Open Scientific Standards All rights reserved. Publisher’s Headquarters office This is a special issue published in version 1.0 of “Global Journal of Researches in Global Journals Headquarters Engineering.” By Global Journals Inc. All articles are open access articles distributed 301st Edgewater Place Suite, 100 Edgewater Dr.-Pl, under “Global Journal of Researches in Wakefield MASSACHUSETTS, Pin: 01880, Engineering” United States of America Reading License, which permits restricted use. Entire contents are copyright by of “Global USA Toll Free: +001-888-839-7392 Journal of Researches in Engineering” unless USA Toll Free Fax: +001-888-839-7392 otherwise noted on specific articles. No part of this publication may be reproduced Offset Typesetting or transmitted in any form or by any means, electronic or mechanical, including Global Journals Incorporated photocopy, recording, or any information storage and retrieval system, without written 2nd, Lansdowne, Lansdowne Rd., Croydon-Surrey, permission. Pin: CR9 2ER, United Kingdom The opinions and statements made in this book are those of the authors concerned. Packaging & Continental Dispatching Ultraculture has not verified and neither confirms nor denies any of the foregoing and Global Journals no warranty or fitness is implied. -
Annex 45 Guidebook on Energy Efficient Electric Lighting for Buildings
ANNEX 45 GUIDEBOOK ON ENERGY EFFICIENT ELECTRIC LIGHTING FOR BUILDINGS Espoo 2010 Edited by Liisa Halonen, Eino Tetri & Pramod Bhusal AaltoUniversity SchoolofScienceandTechnology DepartmentofElectronics LightingUnit Espoo2010 GUIDEBOOKONENERGYEFFICIENT ELECTRICLIGHTINGFORBUILDINGS 1 GuidebookonEnergyEfficientElectricLightingforBuildings IEA-InternationalEnergyAgency ECBCS-EnergyConservationinBuildingsandCommunitySystems Annex45-EnergyEfficientElectricLightingforBuildings Distribution: AaltoUniversity SchoolofScienceandTechnology DepartmentofElectronics LightingUnit P.O.Box13340 FIN-00076Aalto Finland Tel:+358947024971 Fax:+358947024982 E-mail:[email protected] http://ele.tkk.fi/en http://lightinglab.fi/IEAAnnex45 http://www.ecbcs.org AaltoUniversitySchoolofScienceandTechnology ISBN978-952-60-3229-0(pdf) ISSN1455-7541 2 ABSTRACT Abstract Lightingisalargeandrapidlygrowingsourceofenergydemandandgreenhousegasemissions.At thesametimethesavingspotentialoflightingenergyishigh,evenwiththecurrenttechnology,and therearenewenergyefficientlightingtechnologiescomingontothemarket.Currently,morethan 33billionlampsoperateworldwide,consumingmorethan2650TWhofenergyannually,whichis 19%oftheglobalelectricityconsumption. The goal of IEA ECBCS Annex 45 was to identify and to accelerate the widespread use of appropriate energy efficient high-quality lighting technologies and their integration with other buildingsystems,makingthemthepreferredchoiceoflightingdesigners,ownersandusers.The aimwastoassessanddocumentthetechnicalperformanceoftheexistingpromising,butlargely -
Eldorado Valley Solar Facility Nears Completion - VIEW NEWS: a Neighbo
12/09/2008· - Eldorado Valley solar facility nears completion - VIEW NEWS: A Neighbo... Page 1 of3 '-:1~~.ens (!§j PRINTTHIS DATE~}.!~ ~ Group Powered by fi Oic:kability REeD ItA! II. Eldorado Valley solar facility nears completion Project developers hope to have center producing power by year's end By FRED COUZENS VIEW STAFF WRITER Workers at the EI Dorado Energy Solar Expansion Project in Eldorado Valley started testing North America's largest thin-film photovoltaic solar power plant earlier this month in hopes of having it online producing electricity by the end of the year. The solar facility started construction in late July and took only three months, from late August to late November, to install 22,320 steel posts, 127 miles of solar panel support rails, 286 miles of cabling and 167,400 modules, or solar panels, that when assembled end-to-end resemble row of crops in a field. "We put them in like it was an assembly-line production," Project Manager Tony Perrino said. "We started in the far southeast comer and worked our way to the north. When you put in 4,000 modules a day, it goes quick." Whereas construction employment totaled about 110 when the installation process was in full swing, the facility will need only one person for monitoring and rninimalrnaintenance purposes when it becomes fully operational. Since the key to energy production is in the technological sophistication of the module itself, the ground installation is fairly simple, Perrino said. The steps are setting the posts, adding the brackets that keep the solar panels at a constant 30-degree angle, attaching the support brackets, setting the 27-pound modules in place, wiring up the panels with cable leading to an inverter that changes DC, or direct current, to AC, or alternating current, and sending it on to the power substation that links a transmission line to the end user.