Relevant bibliographies by topics / Hydroelectric power plants. Electric power-plants

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  2. Dissertations / Theses
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Academic literature on the topic 'Hydroelectric power plants. Electric power-plants'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Hydroelectric power plants. Electric power-plants"

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Aleksandrovskii, A. Yu, and P. S. Borshch. "Prediction of electric-power generation at hydroelectric power plants." Power Technology and Engineering 47, no. 2 (July 2013): 83–88. http://dx.doi.org/10.1007/s10749-013-0403-8.

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Rusina, A. G., Dzh Kh Khudzhasaidov, O. V. Naumov, and A. N. Gorlov. "Development of an intelligent system for integrated management of hydroelectric cascade modes." E3S Web of Conferences 124 (2019): 05019. http://dx.doi.org/10.1051/e3sconf/201912405019.

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The paper deals with an isolated electric power system (EPS) based on hydroelectric power plants. The analysis of the existing methods and approaches for investigation of modes of EPS which comprise hydroelectric power plants is presented. A mathematical model of a hydroelectric station cascade has been developed, which allows taking into account the hydraulic connection during calculation of electrical modes. A software tool for optimization the operating modes of hydroelectric power plants as part of the power system was developed. It uses redistribution the load between hydraulic units both inside the station and between hydroelectric complexes of cascade hydroelectric stations. The task of modeling power consumption and load graphs of EPS with specific properties, based on the application of artificial intelligence methods, is considered.
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Lezhnyuk, Petro, Iryna Hunko, Juliya Malogulko, Iryna Kotylko, and Lіudmyla Krot. "MODELING OF COMPATIBLE WORK OF DISTRIBUTED POWER SOURCES OF ELECTRIC POWER AND CENTRALISED POWER SUPPLY." TECHNICAL SCIENCES AND TECHNOLOG IES, no. 2 (12) (2018): 189–95. http://dx.doi.org/10.25140/2411-5363-2018-2(12)-189-195.

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Urgency of the research. Current trends of distributed generation development in Ukraine indicate a rapid generation in-crease from renewable energy plants. Most developed countries gradually refuse from the fossil fuels use and invest more and more to the “green” energy. Therefore, there is a need for a detailed study of the operation conditions of distributed energy sources due to their instability, as well as the processes that arise in distribution electric networks with diverse types of distributed energy sources. Target setting. In the producing process of power energy by distributed energy sources due to the increase in their num-ber, there are situations where several renewable sources of energy operate to only one system of buses. Thus, such distributive networks acquire the features of a local power system, which complicates the control process of such systems, and also there is a problem with the electricity supply of consumers. Actual scientific researches and issues analysis. The analysis of publications suggests that in literature more attention is paid to studying the operating modes of solar power plants, or small hydroelectric power plants. However, almost no attention was paid to the study of their cooperation work. Uninvestigated parts of general matters defining. Only a few works are devoted to the study of the cooperation of the diverce sources of distributed energy sources in the local electrical systems. That is why, their impact on power distribution networks and on the grid in general has not been studied extensively. The research objective. In this article was considered the influence of asynchronous generators on small hydroelectric power plants on the operation modes of distribution electrical networks, and were investigated the processes that are occurring in local power systems with different types of distributed energy sources. The statement of basic materials. Based on the research results, was developed a computer model of a such system in the PS CAD software environment. Two solar stations and one small hydroelectric power station with an asynchronous generator were connected to the power supply. It was shown the simulation of two modes of operation: a joint operation of a small hydroelectric power station, two solar power stations and a power supply center; a joint operation of a small hydroelectric pow-er plant, two solar power stations and a power supply disconnected. Conclusions. As a result of computer simulation, it is shown that by switching on a small hydroelectric power plant with an asynchronous generator in the case of an emergency shutdown of centralized power supply, it is possible to restore the work of solar power plants, and thus partially or completely restore the power supply of consumers.
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Tsgoev, Ruslan S. "Promising Osmotic and Hybrid Electrochemical Power Plants." Vestnik MEI 5, no. 5 (2020): 47–53. http://dx.doi.org/10.24160/1993-6982-2020-5-47-53.

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A range of energy technologies ultimately aimed at obtaining electric energy is considered. Proceeding from the list of considered sources, it is possible to analyze their different combinations for achieving better energy efficiency of new complexes. A systematic list of 21 currently known traditional, non-traditional, and renewable energy sources is compiled. Each of them taken individually has an efficiency not exceeding 50%, except for some types of fuel cell based power facilities. Block diagrams of energy flow conversion stages are proposed for the considered kinds of sources. Obviously, if some or other chain does not contain certain blocks in comparison with the first classical chain of thermal engine thermodynamic cycles, this means that the missing energy conversion stages of are either implemented covertly, or proceed in the environment. As an example, two promising sources are considered: an osmotic hydroelectric power plant and a hybrid power plant (HybPP) based on high-temperature fuel cells with solid oxide electrolyte and a gas turbine unit. In fact, an osmotic hydroelectric power plant takes the solar energy spent for evaporation from sea surfaces in the form of the osmotic pressure phenomenon energy under the conditions of one-way diffusion of fresh river water (a solvent) molecules through a semi-permeable membrane towards salt sea water (a solution). An osmotic HPP is a combination of a reservoir with semi-permeable membranes and an HPP. The former is characterized by the expected high specific power up to 12 kW per square meter of semi-permeable membrane area, and the latter is characterized by the highest efficiency among all types of electric power sources and by the high achieved specific power up to 2-3 kW per square meter of solid oxide electrolyte surface area.
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Быстров, Andrey Bystrov, Юсим, Vyacheslav Yusim, Филиппов, and V. Filippov. "Economic Potential of Pumped-Storage Hydroelectric Power Plants." Economics of the Firm 4, no. 3 (September 17, 2015): 26–29. http://dx.doi.org/10.12737/17591.

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The article deals with questions of using pumped-storage hydroelectric power plants in electrical power system. Maneuverable reserve of Russian electrical power system is exhausted; therefore further development is able only with the presence of storage plants in the system which will allow getting additional volume of electricity with existent generative power stations. However, low return of investment slows down construction of storage plants. PSP exert a powerful economic effect on system which is undervalued. Therefore for ensuring a return on investment it is necessary to revise system of economic relations within industry when using system utilities.
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Davies, S. "Big ideas for small hydro [hydroelectric power plants]." Engineering & Technology 6, no. 1 (February 1, 2011): 52–54. http://dx.doi.org/10.1049/et.2011.0108.

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Onoda, Takashi, Norihiko Ito, and Hideaki Koreeda. "Data Indicating Malfunction Sign of Hydroelectric Power Plants." IEEJ Transactions on Industry Applications 131, no. 4 (2011): 448–57. http://dx.doi.org/10.1541/ieejias.131.448.

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Chukreyev, Mikhail. "Power price in the conditions of market relations UES of Russia." E3S Web of Conferences 216 (2020): 01047. http://dx.doi.org/10.1051/e3sconf/202021601047.

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In modern conditions of market relations in the electric power industry, a mechanism is needed to regulate the purchase and sale of power, which should not lead to a deterioration in the EPS reliability. Competitive power take-off became the main component of this mechanism. Within its framework, nuclear power plants, hydroelectric power plants, new power units, as well as thermal power plants, which are necessary for heat supply to consumers, are mandatory selected. The article examines the process of price formation for capacity, its relationship with demand, shows the main features that affect its final indicators.
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CHERNYH, O. N., A. V. BURLACHENKO, and V. V. VOLSHANIK. "SPECIFIC FEATURES OF WATER-ENERGY REGIMES OF HPP IN SYMBIOSIS WITH SOLAR PLANTS." Prirodoobustrojstvo, no. 3 (2021): 104–10. http://dx.doi.org/10.26897/1997-6011-2021-3-104-110.

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The results of the analysis of the problems associated with the development of the world solar energy are presented. It is noted that at the present stage of the electric power industry, the potential of renewable energy sources (RES) is still poorly realized. The specific issues of water-energy modes of operation of hydroelectric power plants (HPPs), operating in symbiosis with solar photovoltaic installations (SPEU) have been identified, the schedule of which should be the same. It is shown that the operation of hydroelectric power plants and SPEU in the joint electric load schedule makes it possible to obtain a constructive and economic effect due to the fuel saving of power plants of various types, including thermal ones. The maximum capacity of the HPP-SPEU power complex is optimized by the installed capacity of the HPP while observing the full duplication of the SPEU capacity by other power plants of the energy system. It is shown on the example of the Lagdo hydroelectric complex in the northern Cameroon that under the conditions of developing countries with a large solar and hydraulic potential (Cameroon, Zimbabwe, Uganda, etc.), as well as for the southern regions of Russia, SPEU can produce up to 75% of the annual electricity generation during the low-water period of the year at its joint work in the energy complex with the hydroelectric power plant. This makes it possible to facilitate the redistribution of the river fl ow during the entire low-water period without attracting additional useful storage capacity of the reservoir. The developed methodology for optimizing the water-energy regulation regime can also be applied during the operation of the HPP of the HPP-SPEU energy complex along the watercourse, i.e. with daily flow regulation.
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Devianti, Devianti, Ramayanty Bulan, Purwana Satriyo, and Dewi Sartika T. "Kajian kapasitas daya pembangkit listrik tenaga air melalui pendekatan debit rencana metode rasional di sub-DAS Lawe Sempali, Provinsi Aceh." Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) 10, no. 2 (July 3, 2020): 307–19. http://dx.doi.org/10.29244/jpsl.10.2.307-319.

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Nowadays, electricity is a basic human need that must be available. Therefore, efforts to obtain electrical energy from renewable natural resources continue to be explored, especially water energy from watersheds and sub-watersheds. Aceh Province is a relatively widely available area of ​​watersheds and sub-watersheds. This study aims to analyze and categorize the potential of electric power generated by the Lawe Sempali sub-watershed, Aceh province, as a source of hydroelectric power. The method used in this research is the study of literature and field studies. The rainfall analysis of the ten year return period plan was carried out with four approaches, namely (i) normal distribution method (ii) normal log distribution method, (iii) Gumbel distribution method, and (iv) Pearson III log distribution method. Discharge plans that occur are analyzed using the rational method. The categorization of the power capacity of hydroelectric power plants is based on the capacity that can be produced by the sub-watershed. The results of this study were to report that the Lawe Sempali Sub-watershed has the potential to be a source of hydroelectric power generation in the category of micro-hydro and or small-hydro power plants. The capacity of electric power generated with planned discharge in the shortest return period (2 years) is a minimum of 68.21 KW (head 2 m) and a maximum of 3.41 MW (head 100 m).
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Dissertations / Theses on the topic "Hydroelectric power plants. Electric power-plants"

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Rule, James Arthur. "A strategy for modeling hydroelectric plants and improving their performance." Diss., This resource online, 1988. http://scholar.lib.vt.edu/theses/available/etd-07282008-135937/.

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Gencoglu, Cihangir. "Assessment Of The Effect Of Hydroelectric Power Plants&#039." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612165/index.pdf.

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The Turkish TSO (TEIAS) has been leading a project that aims the synchronous interconnected operation of the Turkish Power System and the ENTSO-E CESA (former UCTE) System. For this purpose, this study concentrates on the specific problems related to the electromechanical systems of large size hydroelectric power plants regarding low frequency inter area oscillations, which are prone to occur once the interconnected operation is established. The expected frequency of inter area oscillations after interconnected operation is close to 0.15 Hz, which is in the frequency range of the speed governing structures of turbines, as explained in the first two sections of the thesis. In the third section, the nonlinear turbine governor model used throughout the study is explained. In the following part, the governor parameter tuning study with regard to the defined performance objectives is explained. Afterwards, the effect of the retuned governor settings of the sample hydroelectric power plants on a simple multi machine power system is shown. Following that, the system wide effect of removing the sources of negative damping, which are strongly dependent on the governor settings of the major hydroelectric power plants of the Turkish Power System, is shown. In the final part, conclusions are made on the operation of the hydroelectric power plants regarding the frequency stability of the system after synchronous interconnected operation of the Turkish Power System and the ENTSO-E CESA System.
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Wells, Philippa Katherine. "Uncovering "regimes of truth" locating and defining discourses associated with hydro-electric development in New Zealand : a thesis submitted to Auckland University of Technology in partial fulfilment of the Doctor of Philosophy, 2004." Full thesis. Abstract, 2004.

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Lemos, Hermann Friedenberg de 1958. "Estudos de repotenciação de usinas hidrelétricas por meio da motorização de poços vazios existentes." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265893.

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Orientador: Sérgio Valdir Bajay
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica
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Resumo: Este trabalho analisa a viabilidade técnica e econômica da motorização de poços vazios previamente escavados e concretados, existentes em dez usinas hidrelétricas brasileiras de médio e grande porte. O objetivo é acrescentar potência instalada e disponibilizar energia nova para atendimento ao horário de ponta de carga do Sistema Interligado Nacional (SIN). Foram coletados junto ao Centro Nacional de Operação do Sistema Elétrico (CNOS), dados operacionais hidroenergéticos consolidados ao longo de dez anos, referentes às vazões turbinada e vertida, produtividade, potência média produzida e potência média vertida. Os dados operacionais foram utilizados nas equações criadas para dimensionar a quantidade de poços a motorizar e os respectivos acréscimos de potência. Simulações sistêmicas foram realizadas junto ao Centro de Pesquisas de Energia Elétrica (CEPEL), para estimar os ganhos de energia provenientes dos acréscimos de potência, utilizando os modelos de simulação daquele Centro. Fluxos de caixa, compostos pelas despesas necessárias ao investimento e pelas receitas da venda da nova energia, proporcionaram a análise da viabilidade econômica. Os resultados encontrados mostram que somente a remuneração do ganho de energia resultante da motorização adicional não viabiliza economicamente a instalação de unidades geradoras na maioria dos poços vazios disponíveis nas usinas hidrelétricas analisadas. As principais conclusões sinalizam para a obtenção de soluções econômica e regulatória que fomentem a viabilização da motorização dos poços vazios sob a ótica do mercado comercializador de energia elétrica, incluindo a valoração do acréscimo de potência instalada
Abstract: This work examines the technical and economic feasibility of inserting power generation sets in empty pits previously excavated and concreted in ten medium and large Brazilian hydroelectric power plants. The goal is to add new installed capacity and energy available to meet the peak hour load of the National Interconnected System. Hydropower operational data consolidated over ten years, related to the generation and no generation flows, productivity, average power produced and poured average power, were collected from the National Center Operation of Electrical System. The operational data were used in equations created to scale the number of pits to be motorized and its power increases. Systemic simulations were performed by the Center for Electric Power Research to estimate the energy gains arising from increased power, using simulation models that Center. Cash flows with investment expenditures and revenues from the sale of new energy provided the analysis of the economic viability. The results show that only the compensation of the energy gain resulting from the additional motorization not economically feasible to install generating units in most empty pits available in hydro plants analyzed. The main conclusions point to the attainment of economic and regulatory solutions that foster the viability of empty pits¿ motorization from the perspective of wholesale electricity market, including the remuneration of the new installed capacity
Mestrado
Planejamento de Sistemas Energeticos
Mestre em Planejamento de Sistemas Energéticos
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Binus, Joshua D. "Bonneville Power Administration and the Creation of the Pacific Intertie, 1958 -1964." PDXScholar, 2008. https://pdxscholar.library.pdx.edu/open_access_etds/1724.

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Construction of the Pacific Northwest-Pacific Southwest Intertie (also known as the Pacific Intertie) began in 1964, following the culmination of a series of interrelated negotiations which included: 1) the planning for the construction and operation of the Pacific Intertie; 2) the passage of federal legislation that put limits on the export of electricity from the regions where it was generated; and 3) the full ratification of the Columbia River Treaty between the United States and Canada. By 1970, with construction complete, the Pacific Intertie allowed for the movement of more than 4,000,000 kilowatts of power among the electrical systems of British Columbia and eleven Western states, including 243 rural electrical cooperatives, municipal systems, and other public agencies. It had essentially become the backbone of the largest electrical grid in the Western world. In addition to widening the marketing area available to power producers throughout the grid, the Pacific Intertie also integrated the operations of the nation's largest hydropower system (Bonneville Power Administration), the largest privately owned electrical system (Pacific Gas & Electric), and the largest municipal power system (L.A. Department of Water and Power) in the country.
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Bertoncello, Ricardo. "Sistema de conexão de mini e micro centrais hidrelétricas às redes monofásicas das concessionárias." Universidade Tecnológica Federal do Paraná, 2011. http://repositorio.utfpr.edu.br/jspui/handle/1/335.

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Este trabalho tem por objetivo desenvolver um sistema de conexão entre unidades de geração trifásica e uma rede de distribuição de energia elétrica rural monofásica. O sistema proposto baseia-se em um conversor CA/CA. Este conversor é composto por um retificador trifásico modulado por largura de pulso e um inversor monofásico. O controle do sistema é realizado através de um controlador digital de sinais (DSC). Atualmente o custo para conexão de mini e micro centrais hidrelétricas às redes de distribuição das concessionárias é bastante elevado, principalmente pelo custo de implantação das redes de distribuição trifásicas, e isso gera impacto principalmente nos pequenos empreendimentos. Para os empreendimentos maiores, este custo é diluído no custo total da obra, não impactando de forma significativa na viabilidade do negócio. Este trabalho visa desenvolver um sistema de conexão que atenda os requisitos técnicos e as exigências legais e que ao mesmo tempo consiga reduzir os custos para a conexão de pequenos agentes geradores no sistema elétrico nacional, em localidades onde somente a rede monofásica esteja disponível. Com isso, pretende-se viabilizar economicamente a inserção de pequenos produtores no cenário de geração e comercialização de energia elétrica.
The objective of this work is to develop a connection system between three-phase generation units and a single phase rural distribution electricity network. The proposed system is based on an AC/AC converter. This converter consists in a threephase PWM rectifier and a single-phase PWM inverter. System control is performed by a Digital Signal Controller (DSC). Currently, the cost for connecting mini and micro hydropower plants to distribution networks of utilities is very high, especially because of the three phase distribution networks deployment cost, which generates impact mainly in small businesses. For larger businesses, this cost is diluted within the total work costs, not significantly impacting business viability though. This work aims at developing a system that meets the technical and legal connection requirements and, at the same time, will be capable of reducing costs for connecting small generating agents in the national power system in locations where only a single-phase network is available. Therefore, we intend to make economically viable insertion of small producers in the generation and sale electricity scenario.
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Sun, Haibin. "Integrated Modeling of Electric Power System Operations and Electricity Market Risks with Applications." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14103.

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Through integrated modeling of power system operations and market risks, this thesis addresses a variety of important issues on market signals modeling, generation capacity scheduling, and electricity forward trading. The first part of the thesis addresses a central problem of transmission investment which is to model market signals for transmission adequacy. The proposed system simulation framework, combined with the stochastic price model, provides a powerful tool for capturing the characteristics of market prices dynamics and evaluating transmission investment. We advocate the use of an AC power flow formulations instead since it allocates transmission losses correctly and reveals the economic incentives of voltage requirements. By incorporating reliability constraints in the market dispatch, the resulting market prices yield incentives for market participants to invest in additional transmission capacity. The second part of the thesis presents a co-optimization modeling framework that incorporates market participation and market price uncertainties into the capacity allocation decision-making problem through a stochastic programming formulation. Optimal scenario-dependent generation scheduling strategies are obtained. The third part of the thesis is devoted to analyzing the risk premium present in the electricity day-ahead forward price over the real-time spot price. This study establishes a quantitative model for incorporating transmission congestion into the analysis of electricity day-ahead forward risk premium. Evidences from empirical studies confirm the significant statistical relationship between the day-ahead forward risk premium and the shadow price premiums on transmission flowgates.
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Carvalho, Silvia Maria Simões de. "Metodos de pontos interiores aplicados ao problema de pre-despacho de um sistema hidroeletrico com manobras programadas." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/306750.

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Orientador: Aurelio Ribeiro Leite de Oliveira
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Matematica, Estatistica e Computação Cientifica
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Resumo: Neste trabalho os métodos de pontos interiores primal-dual são utilizados para minimizar os custos e perdas na geração e transmissão do pré-despacho de fluxo de potência com corrente contínua (DC) em um sistema hidroelétrico com manobras previamente programadas. É realizado também o estudo da estrutura matricial desse problema e a alteração que ela impõe ao sistema. Uma função desenvolvida em Matlab que controla as manobras é exibida, e é adaptada na implementação de pontos interiores que não considera manobras, previamente desenvolvida. É realizada uma discussão sobre sua eficiência e algumas melhorias são propostas. É importante salientar que do ponto de vista computacional, o esforço por iteração para se resolver um problema com e sem manobras é semelhante, os motivos pelos quais isso ocorre também serão discutido nesse trabalho. Resultados computacionais com sistemas testes da IEEE e sistemas reais brasileiros comprovam esta afirmação
Abstract: In this work, the prima-dual interior point methods are used to minimize the DC predispatch generation and transmission costs on hydroeletric systems with previously scheduled maneuver. A study of the matrix structure is also performed considering the changes that occurs in the system after maneuvering. A function, developed in Matlab that controls the maneuver is shown and is adapted in the implementation of interior point methods already developed for the problem without maneuvers. It is important to stress that the computational effort to solve a problem with maneuver is close to the effort for solving the problem without it, the reason for it will be discussed ih this work. Computer results with test systems of the IEEE and real Brazilian systems reinforce this statement
Mestrado
Matematica Aplicada
Mestre em Matemática Aplicada
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Gomes, Leandro Costa Ferreira 1986. "Estudo da conexão da usina de Belo Monte ao SIN através da alternativa de transmissão em meia onda." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259505.

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Orientador: Luiz Carlos Pereira da Silva
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação
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Resumo: O presente trabalho está inserido num contexto de busca de novas fontes de energia elétrica e de aproveitamento de grandes potenciais energéticos localizados distantes dos principais centros de carga. Para estes, alternativas não convencionais de transmissão também são exigidas, nas quais se insere a transmissão em linhas de pouco mais de meio comprimento de onda, distância de pouco mais de 2500km no sistema brasileiro à 60Hz. Como este tipo de transmissão nunca foi implementado, trata-se de uma proposta inovadora, pouco explorada e que exige ensaios elementares para testar-se a viabilidade, vantagens e desvantagens frente a outras alternativas de transmissão de energia elétrica. Esta dissertação visa investigar alguns aspectos referentes à tal método de transmissão de grandes montantes de potência em distintos cenários de interligação entre as regiões Norte e Sudeste do Brasil do SIN (sistema interligado nacional). Três distintos corredores compostos por linhas de pouco mais de meio comprimento de onda foram ensaiados. Inseridos conectando a usina de Belo Monte no Pará a Assis-SP na rede de 500kV, percorrendo 2664 km. Cada um dos corredores é composto por: três linhas de 800 kV e 4846 MW de potência característica (SIL); um segundo com duas das mesmas linhas de 800kV e um terceiro com duas linhas de 1000 kV e 8100 MW de potência característica. Cada aspecto é ensaiado em seis diferentes situações de carregamento do SIN e de fluxo de potência pelo corredor, abrangendo cenários de alto, médio e baixo carregamento das linhas assim como mudanças no sentido do fluxo entre Norte e Sudeste. Dentre os aspectos abordados estão: a avaliação e redução das perdas manipulando a potência característica operacional das linhas; o controle do carregamento do corredor através do uso de transformadores defasadores não convencionais; a inserção de cargas e geração em pontos intermediários deste e o controle do fluxo de potência reativa. Por fim, o estudo não aborda aspectos transitórios e é realizado com o auxílio do ANAREDE, software elaborado pelo CEPEL
Abstract: This work is placed in a search for new sources of power and exploitation of large energy potential located far from major load centers. For the second scenarios, alternate non-conventional transmission are also required, in which half wavelength transmission lines are inserted, resulting in a distance of just over 2500km for the 60Hz brazilian electrical system. Since this type of transmission has never been implemented, it is an innovative solution and few explored, requiring elementary studies to test the feasibility, advantages and disadvantages compared to other alternatives for bulk electric power transmission. This thesis aims to investigate some aspects related to such transmission method for large amounts of power into distinct scenarios of interconnection between the North and Southeast of Brazil's SIN (Brazilian National grid). Corridors consisting of three distinct lines of just over half wavelength were tested. Inserted connecting Belo Monte hydro power plant in Para to Assis in São Paulo through the 500kV network, covering 2664 km, each corridor is composed: by three lines of 800 kV and 4846 MW of Surge Load Impedance (SIL), the second one by two of the same 800kV lines and a third by two lines of 1000 kV and 8100 MW SIL. Each aspect is tested in six different SIN load situations and power flowing through the corridor, covering scenarios of high, medium and low lines loading as well as changes in flow direction between North and Southeast. Among the issues tackled are: evaluation and reduction of losses by manipulating operating lines SIL; line load controlling using non-conventional phase shift transformers; inserting loads and generation at intermediate points of the lines and control of reactive power flow. Finally, the study does not handle with transient aspects and is accomplished with the aid of ANAREDE, software developed by CEPEL
Mestrado
Energia Eletrica
Mestre em Engenharia Elétrica
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Souza, Patrícia Aparecida Pereira. "A privatização e descentralização do setor elétrico nacional frente à política ambiental brasileira: uma abordagem sociológica do caso das Pequenas Centrais Hidrelétricas (PCHs)." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/18/18139/tde-23082016-140628/.

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A onda de recessão econômica e de desaceleração do crescimento da década de 80, aliada à crise política e financeira vivenciada pelos Estados Nacionais na A.L., abriu terreno para que concepções neoliberais permeassem as decisões ligadas aos investimentos necessários em infra-estrutura. O Brasil, do Governo Collor ao FHC (1990 à 2002), seguiu esta orientação e, por meio dela, permitiu que vários segmentos dos serviços essenciais se tornassem passíveis de privatização e descentralização, dentre eles, o setor elétrico que foi reestruturado. Dado o contexto supra, este estudo visa analisar, sob um prisma sociológico e da geografia humana, o ressurgimento das pequenas centrais hidrelétricas no cenário nacional, intentando dar pistas da efetividade da política ambiental brasileira quando da implantação e recuperação destas usinas. Trata-se de examinar quais mecanismos político-institucionais permitem que o bem público, representado pelos recursos hídricos, possa ser apropriado para responder às necessidades de natureza privada, e como as necessidades sócio-ambientais imbricadas são contempladas nesse processo. É apresentado um estudo de caso para trazer à tona, por um micro recorte, a implantação de pequenos aproveitamentos hidrelétricos no qual a necessidade expansionista do setor reitera um padrão de excludência social e pouca efetividade decisória dos agentes sociais afetados.
The 80\'s wave of economic recession and decelerated development, allied to political and financial crises experienced by Latin American National States, opened field to a spread-out of classic conceptions through decisions connected to necessary infra-structure investments. Brazil followed this orientation, from Collor to FHC (1990 to 2002), and allowed many essential service segments to become liable of privatization and decentralization, among them, the electric sector, which was re-structured. Considering this context, this study aims to analyze under sociological and human geographical viewpoints, the resurgence of Small Hydroelectric Power Plants on the national scenery, intending to give cues of the Brazilian environmental policy effectiveness, by the time of these plants implantation and recovery. It concerns of examining which are the political-institutional mechanisms that allow the public welfare, represented by hydrous resources, to be convenient to private nature demands, and how the involved social-environmental demands are analyzed on this process. A case study is presented in order to bring-up, through a short brief, the implantation of small hydroelectric plants, where the growing necessity of the sector, reaffirms a pattern of social exclusion and few conclusive effectiveness of the affected social agents.
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Books on the topic "Hydroelectric power plants. Electric power-plants"

1

Koch, C. Peter. Small hydroelectric design manual. New Westminster, B.C. (512 Sharpe St., New Westminster V3M 4R2): C.P. Koch, 1990.

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Hydro, Ontario. Ontario Hydro's history and description of hydro-electric generating stations. [Toronto]: Ontario Hydro, 1991.

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Hydro-electric and pumped storage plants. New York: Wiley, 1989.

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United States. Bureau of Reclamation. Denver Office. Engineering Division. Review of power operation and maintenance program: Review report : power operations, lower Colorado region. Denver, Colo: Engineering Division, Denver Office, Bureau of Reclamation, U.S. Dept. of the Interior, 1989.

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United States. Bureau of Reclamation. Denver Office. Engineering Division. Review of power operation and maintenance program: Review report : communication and control, Central Snake Project, Grand Coulee Project, Columbia Basin Project, August 21-24, 1989, Pacific Northwest Region. Denver, Colo: Engineering Division, Denver Office, Bureau of Reclamation, U.S. Dept. of the Interior, 1989.

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Energy, Ontario Ministry of. Small hydro international marketing study. [Toronto]: Ontario Ministry of Energy, 1988.

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Hydro, Manitoba. A History of hydro-electric power in Manitoba. [Winnipeg: Manitoba Hydro, 1986.

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MultiTech (Firm : Butte, Mont.). Small-scale hydroelectric potential of the Mill Diversion Channel in Lewistown, Montana. Helena, Mont. (1520 E. 6th Ave., Helena 59620): The Program, 1985.

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Varaschin, Denis. Le patrimoine industriel de l'électricité et de l'hydroélectricité: Actes du colloque international de Divonne-les-Bains et de Genève. Chambéry: Université de Savoie, UFR Lettres, langues, sciences humaines, Laboratoire Langages, littératures, sociétés, 2009.

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D, Boyce R., Bultsma M. L, and Montana Water Resources Division, eds. Effects of future irrigation development of hydroelectric generation in the Clark Fork River Basin: Final project report. Bozeman, Mont: Dept. of Civil and Agricultural Engineering, Montana State University, 1988.

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Book chapters on the topic "Hydroelectric power plants. Electric power-plants"

1

Pereira, Geraldo Magela. "Electrical equipment." In Design of Hydroelectric Power Plants – Step by Step, 361–406. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003161325-11.

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Lezhnuk, Petro, Olexander Rubanenko, and Iryna Hunko. "Optimal Management of Small Hydroelectric Plants Power Generation in Local Electrical Systems." In Lecture Notes in Mechanical Engineering, 289–98. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93587-4_30.

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Chaudhry, M. Hanif. "Transients In Hydroelectric Power Plants." In Applied Hydraulic Transients, 155–220. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-8538-4_5.

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Pereira, Geraldo Magela. "Power output." In Design of Hydroelectric Power Plants – Step by Step, 81–89. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003161325-5.

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Pereira, Geraldo Magela. "Hydroelectric powerplants." In Design of Hydroelectric Power Plants – Step by Step, 1–23. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003161325-1.

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Pereira, Geraldo Magela. "Types of power plants and layouts." In Design of Hydroelectric Power Plants – Step by Step, 39–52. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003161325-3.

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Delameter, W. R. "Molten Salt Electric Experiment." In Thermo-Mechanical Solar Power Plants, 442–48. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5402-1_66.

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Dirks, J. A. "Central Receiver Costs for Electric Power Generation." In Thermo-Mechanical Solar Power Plants, 307–11. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5402-1_45.

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Wright, J. B. "Solar Central Receiver Costs for Electric Power Generation." In Thermo-Mechanical Solar Power Plants, 334–38. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5402-1_50.

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Mukai, T., T. Horigome, N. Ikeda, and T. Sakamoto. "A 1MWe Solar Thermal Electric Power Pilot Plant (Sunshine Project)." In Thermo-Mechanical Solar Power Plants, 52–61. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5402-1_9.

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Conference papers on the topic "Hydroelectric power plants. Electric power-plants"

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de Mesquita, Leon Marcel Oliveira, Jefferson dos Santos Menas, Emanuel Leonardus van Emmenk, and Mauncio Aredes. "Maximum power point tracking applied on small hydroelectric power plants." In 2011 International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2011. http://dx.doi.org/10.1109/icems.2011.6073371.

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Gono, Miroslava, Radomir Gono, Roman Portuzak, and Iwona Klosok-Bazan. "Potential of suitable locations for construction of pumped storage hydroelectric plants." In 2015 16th International Scientific Conference on Electric Power Engineering (EPE). IEEE, 2015. http://dx.doi.org/10.1109/epe.2015.7161199.

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Kholov, Nozim, Alisher G. Kayumov, and Abdullo Majidov. "Analysis of Emergency Operation Modes of Micro Power Systems with Small Hydroelectric Power Plants." In 2021 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (ElConRus). IEEE, 2021. http://dx.doi.org/10.1109/elconrus51938.2021.9396718.

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Paz, M. C. R., M. O. Oliveira, A. S. Bretas, M. F. Cruz, T. L. Riechel, V. N. Obadowski, P. E. M. Ugoski, et al. "Active power regulation of auxiliary generation units in hydroelectric power plants using power electronic switching." In 2012 IEEE/PES Transmission & Distribution Conference & Exposition: Latin America. IEEE, 2012. http://dx.doi.org/10.1109/tdc-la.2012.6319129.

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Chlebis, Petr, Martin Sobek, and Katerina Baresova. "Support of peripheral areas in the Moravian-Silesian region using micro-hydroelectric power plants." In 2014 15th International Scientific Conference on Electric Power Engineering (EPE). IEEE, 2014. http://dx.doi.org/10.1109/epe.2014.6839463.

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Bottesi, Omar, and Luigi Alberti. "Design of small-size generator for variable speed micro-hydroelectric power plants." In 2014 XXI International Conference on Electrical Machines (ICEM). IEEE, 2014. http://dx.doi.org/10.1109/icelmach.2014.6960224.

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Baltputnis, Karlis, Antans Sauhats, Olegs Linkevics, Roman Petrichenko, Renata Varfolomejeva, and Zane Broka. "Modeling of water utilization in hydroelectric power plants on the Daugava River." In 2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). IEEE, 2015. http://dx.doi.org/10.1109/rtucon.2015.7343135.

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Irrazabal Bohorquez, Washington Orlando, and Joa˜o Roberto Barbosa. "Functional Analysis and Exergoeconomic Evaluation for the Combined Production of Electromechanical Power and Useful Heat of a Cogeneration Power Plant." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45055.

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In the Ecuadorian electrical market, several sugar plants, which significantly participate in the local electricity market, are producing their own energy and commercializing the surplus to the electrical market. This study evaluates the integral use of the sugar cane bagasse for productive process on a Cogeneration Power Plant in an Ecuadorian Sugar Company [8]. The electrical generation based on biomass requires a great initial investment. The cost is around US$ 800/kW installed, twice the US$ 400/kW initial investment of conventional thermoelectric power plant and almost equal to the US$ 1,000/kW initial cost of hydroelectric power plant [5]. A thermoeconomic study was carried out on the production of electricity and the sales of the surplus of 27 MWe average produced by the power plant. An operational analysis was made using instantaneous values from the estimated curves of demand and generation of electricity. From the results, it was concluded that the generated electricity costs are 0.0443 US$/kWh, while the costs of the electricity from Fossil Power Plants (burning fuel oil, diesel fuel and natural gas) are in the range 0.03–0.15 US$/kWh and from Hydroelectric Plants are about 0.02 US$/kWh. Cogeneration power plants burning sugar cane bagasse could contribute to the mitigation of climatic change. This specific case study shows the reduction of the prospective emissions of greenhouse gases, around 55,188 ton of CO2 equivalent yearly for this cogeneration power plant.
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Galindo-Garci´a, Iva´n F., and Sau´l Rodriguez-Lozano. "Implementation and Validation of a Generic Real-Time Hydroelectric Plant Simulator." In ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASMEDC, 2011. http://dx.doi.org/10.1115/power2011-55315.

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A generic real-time hydroelectric plant simulator has been implemented and validated. The simulator has the capability to run entirely in a simulation mode or to use actual control components running in parallel with simulated components. This flexibility results in a wide range of applicability, for example, it may be used for training of I&C personnel, tuning of turbine governors or testing the performance of actual control equipment. A further important feature of the simulator is its generic nature. A user-friendly interface is employed to parameterize any particular hydroelectric unit that uses a Pelton, Kaplan, or Francis turbine. The simulator includes mathematical models for the major systems in a hydroelectric plant, namely, hydraulic system (dam, water conduits, and turbine), electric generation (synchronous generator and excitation system) and power system (electrical grid). The simulator has been implemented on a GNU/Linux operative system with a Fedora Core 6 distribution and within a complete simulation environment, which includes real-time conditions management, graphical interfaces to operate the simulator, databases to store variables, and post-processing tools to visualize results. For control equipment testing applications an I/O data system is employed for the interaction between the simulator and the control equipment being tested. Comprehensive tests have been conducted and results compared with available plant data as validation. Three hydroelectric plants have been selected for tests: a 55 MW Pelton turbine plant, a 105 MW Kaplan turbine plant, and a 180 MW Francis turbine plant. A wide range of tests can be simulated, for example: turbine startup, disturbances in turbine speed or load, load rejection, electrical or mechanical trips, etc. Comparisons between calculations and plant data show in general relatively good agreement. A few selected tests are presented.
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Garcia, Ivan F. Galindo, Saul Rodriguez Lozano, and Oscar P. Hernandez De La O. "Development of a Real Time Simulator to Test Load and Speed Control Systems of Hydroelectric Power Plants." In 2009 International Conference on Electrical, Communications, and Computers (CONIELECOMP). IEEE, 2009. http://dx.doi.org/10.1109/conielecomp.2009.44.

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Reports on the topic "Hydroelectric power plants. Electric power-plants"

1

Cada, Glenn F., and Mufeed Odeh. Turbulence at Hydroelectric Power Plants and its Potential Effects on Fish. Office of Scientific and Technical Information (OSTI), January 2001. http://dx.doi.org/10.2172/781814.

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Linker, K. Heat engine development for solar thermal dish-electric power plants. Office of Scientific and Technical Information (OSTI), November 1986. http://dx.doi.org/10.2172/7228892.

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Villaran, M., and M. Subudhi. Aging assessment of large electric motors in nuclear power plants. Office of Scientific and Technical Information (OSTI), March 1996. http://dx.doi.org/10.2172/221038.

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4

Unknown. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), January 2001. http://dx.doi.org/10.2172/788930.

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Unknown. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), October 2000. http://dx.doi.org/10.2172/789054.

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Unknown. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), December 2001. http://dx.doi.org/10.2172/791497.

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Ralph Altman. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), June 2002. http://dx.doi.org/10.2172/828036.

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Unknown. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), March 2002. http://dx.doi.org/10.2172/794132.

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Unknown. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/778929.

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Unknown. INTEGRATED SYSTEM TO CONTROL PRIMARY PM 2.5 FROM ELECTRIC POWER PLANTS. Office of Scientific and Technical Information (OSTI), March 2002. http://dx.doi.org/10.2172/794131.

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