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Proceedings of the IEEE

Issue 3 • Date Mar 1993

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Displaying Results 1 - 15 of 15
  • Wind energy systems

    Publication Year: 1993, Page(s):378 - 389
    Cited by:  Papers (58)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (972 KB)

    Wind energy has matured to a level of development where it is ready to become a generally accepted utility generation technology. A brief discussion of this development is presented, and the operating and design principles are discussed. Alternative designs for wind turbines and the tradeoffs that must be considered are briefly compared. Development of a wind energy system and the impacts on the u... View full abstract»

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  • Tidal power

    Publication Year: 1993, Page(s):419 - 433
    Cited by:  Papers (37)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1064 KB)

    Reviews the physics of tidal power, considering the gravitational effects of the Moon and Sun; semidiurnal, diurnal, and mixed tides; and major periodic components that affect the tidal range. Shelving, funneling, reflection, and resonance phenomena that have a significant effect on tidal range are also discussed. Basic parameters that govern the design of tidal power schemes in terms of mean tida... View full abstract»

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  • Electric power generation

    Publication Year: 1993, Page(s):346 - 354
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB)

    Noting that electric power demand will continue to increase, although less rapidly in industrialized nations, the author examines the future trends in the conversion area, moving from rotating generators toward additional electrochemical and renewable energy devices. He discusses the increasing utilization of non-grid-connected renewable energy sources requiring new electrochemical storage devices... View full abstract»

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  • Progress in magnetic fusion energy research

    Publication Year: 1993, Page(s):390 - 398
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    The remarkable scientific progress that has been made in the Magnetic Fusion Energy Program since its inception 40 years ago is reviewed. This formalized international collaborative effort of design and development for a 1000-MW experimental reactor (ITER) has been entered into by the United States, Russia, Japan, and the European Community. In the United States, a national project to build a supe... View full abstract»

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  • Large system interaction characteristics of superconducting generators

    Publication Year: 1993, Page(s):449 - 461
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (780 KB)

    Differences between superconducting generators and conventional machines are identified, and ways in which superconducting machines will offer both advantages and problems are shown. Superconducting generators will have system interaction characteristics, somewhat different from those of their conventional counterparts. In general, superconducting machines will improve characteristics of the power... View full abstract»

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  • Advanced generating technologies: motivation and selection process in electric utilities

    Publication Year: 1993, Page(s):480 - 485
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    The constant search by electric utilities for advanced methods for generating electricity to meet future demand is discussed. The primary goal is to generate electricity with minimum damage to the environment and to use resources that are abundant. The evaluation of the role of these technologies in the future utility system, considering both quantifiable and nonquantifiable benefits and risks, is... View full abstract»

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  • Photovoltaic systems

    Publication Year: 1993, Page(s):365 - 377
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1404 KB)

    An overview of photovoltaic (PV) systems is presented, including a discussion of major US and international activities. After a brief review of system types and output characteristics, various system configurations are discussed and a classification based on photovoltaic (PV) system rating is provided. Modeling, design, and economic considerations are briefly discussed. Synopses of typical operati... View full abstract»

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  • An assessment of ocean thermal energy conversion as an advanced electric generation methodology

    Publication Year: 1993, Page(s):409 - 418
    Cited by:  Papers (5)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (788 KB)

    The history of ocean thermal energy conversion (OTEC), a process that employs the temperature difference between surface and deep ocean water to alternately evaporate and condense a working fluid, is reviewed. In the open-cycle OTEC configuration, the working fluid is seawater. In the closed-cycle configuration, a working fluid such as propane is used. OTEC is assessed for its practical merits for... View full abstract»

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  • Perspectives on the future of power generation and transmission worldwide

    Publication Year: 1993, Page(s):333 - 345
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1092 KB)

    A review is given of world-power demands, including energy-resource, environmental, technological, financial, and political aspects. International perspectives on the future of power generation and transmission to early in the next century in Germany, Italy, France, Japan, and the United States are provided. Discussed are nuclear power stations in Eastern Germany that are being closed down on safe... View full abstract»

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  • Geothermal power generation in United States

    Publication Year: 1993, Page(s):434 - 448
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1088 KB)

    Geothermal energy is an indigenous environmentally benign heat source with the potential for 5000-10000 GWe of power generation in the United States. Approximately 2535 MWe of installed capacity is currently operating in th US with contracted power costs down to 4.6 cents/kWh. The authors discuss the geothermal resources in the United States, their locations, potential, and current electric genera... View full abstract»

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  • Battery energy storage technologies

    Publication Year: 1993, Page(s):475 - 479
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (436 KB)

    Battery energy storage systems, comprising lead-acid batteries, power conversion systems, and control systems, are discussed. They are used by power generating utilities power distributing utilities, and major power consumers (such as electric furnace foundries). The principal advantages that battery energy storage systems offer generating utilities are described, including load leveling, frequenc... View full abstract»

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  • Photovoltaic power generation

    Publication Year: 1993, Page(s):355 - 364
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (788 KB)

    It is noted that the wide acceptance and utilization of the photovoltaic generation of electrical power largely hinges on the ability to decrease the cost of production of solar cells and panels while at the same time increasing their conversion efficiency. A short tutorial is given on solar cells that are presently being investigated for cost reduction and efficiency improvement. The many types o... View full abstract»

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  • Present status and future prospects for fuel cell power systems

    Publication Year: 1993, Page(s):399 - 408
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (868 KB)

    Fuel-cell generating plants, which convert chemical energy directly into electric energy, differ from conventional generating plants by the absence of rotating machines. Such plants are expected to see increasing practical use. Fuel-cell systems under development for practical use are phosphoric acid (PAFC), molten carbonate (MCFC), solid oxide, (SOFC), and proton exchange membrane (PEMFC). PAFC, ... View full abstract»

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  • Economic aspects of advanced energy technologies

    Publication Year: 1993, Page(s):318 - 332
    Cited by:  Papers (33)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1224 KB)

    Advanced energy technologies span a wide variety of resources, techniques, and end-user requirements. Economic considerations are major factors that shape their harnessing and utilization. A discussion of the basic factors in the economic arena is presented, with particular emphasis on renewable energy technologies-photovoltaics, solar-thermal, wind-electric conversion, biomass utilization, hydro,... View full abstract»

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  • A high-efficiency electromechanical battery

    Publication Year: 1993, Page(s):462 - 474
    Cited by:  Papers (34)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1208 KB)

    The electromechanical battery (EMB) is considered as an alternative energy storage system for electric utilities and other applications. An EMB is a modular unit consisting of an evacuated housing containing a fiber-composite rotor. The rotor is supported by magnetic bearings and contains an integrally mounted permanent magnet array. Recent developments in high-strength fibers, in permanent-magnet... View full abstract»

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H. Joel Trussell
North Carolina State University