Relevant bibliographies by topics / Hydro power generation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Hydro power generation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Hydro power generation"

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Saket, R. K., and Lokesh Varshney. "Self Excited Induction Generator and Municipal Waste Water Based Micro Hydro Power Generation System." International Journal of Engineering and Technology 4, no. 3 (2012): 282–87. http://dx.doi.org/10.7763/ijet.2012.v4.366.

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Messerle, H. K. "Magneto-hydro-dynamic electrical power generation." Fuel and Energy Abstracts 37, no. 3 (May 1996): 194. http://dx.doi.org/10.1016/0140-6701(96)88700-5.

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P., Dr Karrupusamy. "Performance Analysis of Multiple Pico Hydro Power Generation." Journal of Electrical Engineering and Automation 2, no. 2 (May 29, 2020): 92–101. http://dx.doi.org/10.36548/jeea.2020.2.005.

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Electric energy has become a basic and essential thing in human life. The electricity is not only utilized for entertainment, it also helpful in powering many devices utilized in medicine, emergency and assisting. Generation of electric power is not a simple task in any medium. There are several medium of power generation is possible in the present scenario. At present, renewable source of energy generation has become popular because of its atmosphere friendly nature and reduced cost of installation for generating station. Hydro power generation is one among such method of power generation produces electricity by means of rotating a turbine blades with running water. The traditional hydro power plants were made to produce electric energy from the river water movement and falls water movement. The proposed MPH (Multiple Pico Hydro) power generation scheme is developed to make power generation from the domestic running water flowing in the pipeline of a home or apartment. The produced power is stored to a battery source and inverted in to an alternating current supply for powering the home. To make an efficient model the pico power generators are fixed to multiple pipelines. The performance of the proposed model is analyzed and it can be connected to another renewable energy sources for making a hybrid structure of power generation.
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Ballance, A., D. Stephenson, R. A. Chapman, and J. Muller. "A geographic information systems analysis of hydro power potential in South Africa." Journal of Hydroinformatics 2, no. 4 (October 1, 2000): 247–54. http://dx.doi.org/10.2166/hydro.2000.0022.

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Electrification can reduce the dependence on combustible fuels and therefore also reduce the concomitant health risks. Hydro power is one possible method of generating electric power close to the potential consumers, thereby cutting out expensive reticulation costs in widely spread rural areas. For sustainable electricity generation there must be stream flows of sufficient flow rates down significant slopes. A preliminary assessment of hydro power potential in South Africa was undertaken by estimating actual energy potential calculated from digital maps of slope and runoff. Coefficients of variation and low flow indices proved good potential measures of flow variability and risk. The methodology allowed rapid identification of micro- and macro-hydro power potential. Micro-hydro power potential identification was calculated from run of river and local flow, while macro-hydro power generation needs storage and thus cumulative river flows were used. The steeper and more humid slopes of the eastern escarpment, and parts of the southern escarpment near Cape Town, showed the best potential for both micro- and macro-hydro power (with annual energy potential values in excess of 107 kWh yr−1 and 109 kWh yr−1, respectively). This preliminary assessment was intended to lead to further more detailed and in-field assessments of hydro power generating capacity.
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Sekar, Deepak. "Domestic Solar - Aero - Hydro Power Generation System." IOSR Journal of Electrical and Electronics Engineering 7, no. 5 (2013): 08–12. http://dx.doi.org/10.9790/1676-0750812.

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Garg, Jitendra Kumar, Anita Khosla, and Nizamuddin Hakimuddin. "AGC of a multi sources power system with natural choice of power plants." EMITTER International Journal of Engineering Technology 7, no. 1 (June 15, 2019): 105–28. http://dx.doi.org/10.24003/emitter.v7i1.342.

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This paper presents an application of optimal control theory in multi sources power system by considering natural choice of power plants participating in automatic generation control (AGC) scheme. However, for successful operation of large power system, the natural choices of generation suitable for AGC system are hydro and thermal power plants since gas and nuclear power plants are rarely participates in the AGC scheme. Therefore, this work presents design and implementation of proportional integral (PI) structured optimal AGC controller in the presence of hydro and thermal power plants by using state vector feedback control theory. Moreover, various case studies are identified to obtain: (i) Cost aspects of physical realization of optimal AGC controller, (ii) Closed loop system stability margin through patterns of eigenvalues and (iii) System dynamic performance. Further, results have shown that when optimal AGC scheme is implemented in power system, the dynamic performance of power system is outstanding over those obtained with genetic algorithms (GAs) tuned PI structured AGC controller. Besides, with optimal AGC controller, cheaper cost of control structure, increased in system closed loop stability margin and outstanding dynamic performance of power system have been found when lessening in hydro generation is replaced by generation from thermal power plants for various case studies under investigation.
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Wang, Sijia, Xiangyu Wu, Gang Chen, and Yin Xu. "Small-Signal Stability Analysis of Photovoltaic-Hydro Integrated Systems on Ultra-Low Frequency Oscillation." Energies 13, no. 4 (February 24, 2020): 1012. http://dx.doi.org/10.3390/en13041012.

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In recent years, ultralow-frequency oscillation has repeatedly occurred in asynchronously connected regional power systems and brought serious threats to the operation of power grids. This phenomenon is mainly caused by hydropower units because of the water hammer effect of turbines and the inappropriate Proportional-Integral-Derivative (PID) parameters of governors. In practice, hydropower and solar power are often combined to form an integrated photovoltaic (PV)-hydro system to realize complementary renewable power generation. This paper studies ultralow-frequency oscillations in integrated PV-hydro systems and analyzes the impacts of PV generation on ultralow-frequency oscillation modes. Firstly, the negative damping problem of hydro turbines and governors in the ultralow-frequency band was analyzed through the damping torque analysis. Subsequently, in order to analyze the impact of PV generation, a small-signal dynamic model of the integrated PV-hydro system was established, considering a detailed dynamic model of PV generation. Based on the small-signal dynamic model, a two-zone and four-machine system and an actual integrated PV-hydro system were selected to analyze the influence of PV generation on ultralow-frequency oscillation modes under different scenarios of PV output powers and locations. The analysis results showed that PV dynamics do not participate in ultralow-frequency oscillation modes and the changes of PV generation to power flows do not cause obvious changes in ultralow-frequency oscillation mode. Ultra-low frequency oscillations are mainly affected by sources participating in the frequency adjustment of systems.
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Pandey, Madhusudhan, Dietmar Winkler, Roshan Sharma, and Bernt Lie. "Using MPC to Balance Intermittent Wind and Solar Power with Hydro Power in Microgrids." Energies 14, no. 4 (February 7, 2021): 874. http://dx.doi.org/10.3390/en14040874.

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In a microgrid connected with both intermittent and dispatchable sources, intermittency caused by sources such as solar and wind power plants can be balanced by dispatching hydro power into the grid. Both intermittent generation and consumption are stochastic in nature, not known perfectly, and require future prediction. The stochastic generation and consumption will cause the grid frequency to drift away from a required range. To improve performance, operation should be optimized over some horizon, with the added problem that intermittent power varies randomly into the future. Optimal management of dynamic system over a future horizon with disturbances is often posed as a Model Predictive Control (MPC) problem. In this paper, we have employed an MPC scheme for generating a hydro-turbine valve signal for dispatching necessary hydro power to the intermittent grid and maintaining grid frequency. Parameter sensitivity analysis shows that grid frequency is mostly sensitive to the turbine valve signal. We have found that controller discretization time, grid frequency, and power injection into the grid are interrelated, and play an important role in maintaining the grid frequency within the thresholds. Results also indicate that the fluctuations in grid frequency are insignificant on the turbine valve position during power injection into the grid.
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Zhang, Liqin, Jun XIE, Xingying CHEN, Yongsheng Zhan, and Lv Zhou. "Cooperative Game-Based Synergistic Gains Allocation Methods for Wind-Solar-Hydro Hybrid Generation System with Cascade Hydropower." Energies 13, no. 15 (July 30, 2020): 3890. http://dx.doi.org/10.3390/en13153890.

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In order to encourage hybrid generation of multiple wind/solar/hydro power stakeholders, synergistic gains from hybrid generation should be allocated fairly, efficiently and reasonably to all power stakeholders. This paper explores how cooperative game theory resolves conflicts among multiple wind/solar/hydro power stakeholders. Elaborate allocation processes of the nucleolus, Shapley value and MCRS methods are presented in resolve synergistic gains allocation problems of wind–solar–hydro hybrid generation system with cascade hydropower. By analyzing properties such as existence, uniqueness and rationality, we find that both the Shapley value and MCRS methods are fair, efficient and rational allocation methods whereas the nucleolus method is limited by reservoir volume of hydro power stakeholders. Analyses on computational feasibility show that the Shapley value method may induce combinational explosion problem with the integration of more power stakeholders. A further application in Yalong River basin demonstrates that, compared with the Shapley value method, the MCRS method significantly simplifies allocating process and improves computational efficiency. Therefore, the MCRS method is recommend as a fair, efficient, rational and computational feasible allocation method for hybrid generation system with large number of wind/solar/hydro power stakeholders.
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Dou, Yanhong, Wei Ding, Yan Huang, Jing Hu, Yu Li, and Huicheng Zhou. "Analysis of Complementary Characteristics of Wind/PV/hydro Power Based on the Bundled Output." MATEC Web of Conferences 246 (2018): 01017. http://dx.doi.org/10.1051/matecconf/201824601017.

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There is complementarity among wind, photovoltaic, and hydro power (wind/PV/hydro power), which is closely related to the bundled installed capacity of wind/PV/hydro complementary power generation system and regulating ability of hydropower. This paper evaluates the complementary characteristics among wind, PV, and hydro power though the ability of the system to output power smoothly. First, the ratio of installed capacity of wind to PV power is determined by minimizing the volatility of wind/PV joint power generation. Second, an optimization model, with the objective of maximizing grid-connected and steady output of wind/PV/hydro complementary system in the dry season, to determine the bundled output of the system is proposed. Third, the complementary characteristics of wind/PV/hydro power are analyzed by the bundled output and the absorptive rate of new energy in the dry season. The implication in the Yalong River shows that: (1) The optimum ratio of installed capacity of wind to PV power is 0.7. (2) The bundled output of wind/PV/hydro system is 1.742GW, in which 6.3GW are bundled capacity of wind/PV/hydro power. (3) The complementarity of wind/PV/hydro power will be strengthened with the increase of runoff in the dry season and the decrease of the new energy installed capacity. The research can provide guidelines for the planning and design of the clean energy complementary base.
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Dissertations / Theses on the topic "Hydro power generation"

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Wallace, Alexander Robert Swan. "Small-scale hydro power generation." Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/14633.

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The requirement for decentralised power generation in the rural electrification of developing countries is vast, and extensive hydrological resources for small-hydro power have been identified. Despite this, the utilisation of small-scale hydro is extremely slow, and the market is not fully developed. This study reviews the marketplace for small-scale hydro in the industrialised, newly-industrialised, less-developed and third-world countries. The extent, characteristics, and timescales of small-hydro development are used to estimate the market for varying levels of power generation technology. Existing power plant and practices as applied to rural electrification programmes are examined and suggestions are made to improve the cost effectiveness of the generating plant. The economic effects which increase the cost of energy produced at smaller sites are considered and a pre-feasibility cost model is proposed. Existing design methods for Pelton turbines are appraised. A new method of designing and estimating the performamce of multi-jet machines has been developed in a comprehensive software package, which is described and evaluated. A test facility designed and constructed during the study is described, and the results obtained by testing a small Pelton turbine are presented. Conclusions are drawn at the end of each chapter and these are ultimately summarised in an overview of the effective market and the means by which Pelton turbine technology may be applied more widely. The market sectors which will benefit by the availability of the design software are identified, together with further work required to integrate the design ability into manufacture.
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Oliveira, Pedro Nuno Ferreira Pino de. "Optimal scheduling of hydro-thermal power generation systems." Thesis, University of Strathclyde, 1992. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21228.

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This thesis is concerned with the optimal scheduling of hydro-thermal power generation systems. This problem, usually referred to as the unit commitment and economic dispatch problem, manifests itself as a large scale mixed integer programming problem. In the first instance a linear model is built and solved using branch-and-bound. This approach is, however, very expensive in terms of computational time. Using Lagrangian relaxation the original primal problem may be written in a dual formulation: the problem then admits decomposition into more tractable subproblems. Furthermore, the primal solution can be approximated closely from the dual solution using the duality gap as a termination criterion. A heuristic is used to construct nearly optimal solutions to the primal problem based on the information provided by the dual problem. The decomposition is such as to allow an implementation on a transputer array with significant reductions in the computational time. An investigation into the application of genetic algorithms to power scheduling shows that this approach is feasible although expensive in terms of computational time. Lagrangian relaxation is next used to solve a nonlinear model incorporating the purchasing and selling of electricity. The information provided by the Lagrange multipliers which can be interpreted as shadow prices, is used to determine the best strategy for the purchasing and selling of energy. Nonconvex programming problems such as this may exhibit a duality gap, that is a difference between the optimal solution of the primal and dual problems. An investigation of this problem for power scheduling linked the existence of this gap to the operating constraints of the system.
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Xiong, Min. "Short-term generation scheduling in a hydrothermal power system." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/1182/.

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Evans, Joel I. "Benefits of wind power curtailment in a hydro-dominated electric generation system." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/13393.

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Hydroelectric generation has been well documented as a flexible and fast-responding resource, which can be quite complimentary to variable and uncertain renewable energy resources. However, hydropower is also a variable energy resource that is limited by river inflows and the live storage capacity of its reservoirs. The goal of this thesis is to explore the possible incremental value that curtailment of wind power might contribute, without reducing a wind power producer’s income, in a market context. Therefore, the ultimate use of this research is as a planning study. The modeling in this research was performed at an hourly time resolution and only focused on real (not reactive), available wind power. An hydraulic simulation and electrical energy generation optimization model of a hydropower system, using a linear programming approach, was used. It was a deterministic model, so specific independent variables had to be manually manipulated. These variables were wind power installed capacity, hydrologic regime (wet, average, and dry), import/export transmission capacity, and cost of wind energy. The optimal objective function values of the model at the end of each yearly run were compared to each other. The opportunity for economically beneficial curtailment came from market-based competition for the finite amounts of generation capacity, energy, and reservoir storage in the hydroelectric system. Existing flexibility in the large storage reservoirs was used by the model to shift the wind energy to export periods with the highest market prices. Temporal analysis of wind power curtailment showed that curtailed wind energy was concentrated in the light-load hours (10:00 PM to 6:00 AM) during the spring freshet (snowmelt) period. These were periods of low domestic electrical load, low market energy prices, high energy import levels, and high local river inflows. The total annual amount of curtailed wind energy was between 0.5% and 2%. Based on input parameters, including energy market and generation capacity market prices, intertie capacities, available wind energy, river inflows, and load, an optimal value of wind energy production was determined. Allowing wind power curtailment purely for economic reasons resulted in an incremental increase in this wind energy value between 1% and 4%.
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GROULT, Mathieu. "Optimization of Electromechanical Studies for the Connection of Hydro Generation." Thesis, KTH, Elkraftteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-221802.

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The current model for electricity generation is based on power plants connected to the transmission network. This provides electricity to the distribution network and after that to the consumers. To ensure the security of the electrical network and prevent a blackout, the performance of every electricity generation unit connected to the network is quantified in grid codes. In the case of the French transmission system, the requirements regarding the performance are written in a document produced by the French Transmission System Operator (TSO). Various events with various configurations of connection to the network have to be simulated and the corresponding performance has to be evaluated. The aim of these simulations is to determine the stability of the generators and key elements, including the response time on the active power after events such as a short circuit.Taking into account the amount of generators connected to the transmission network, the need for optimization appears and is the purpose of this Master Thesis. To perform those simulations in an efficient way on all the generators owned by the main French electricity producer, EDF, this Master Thesis contributes with a tool called AuDySim coded with the softwares MATLAB and EUROSTAG. The implemented tool allows the user to configure an electricity generation unit before realizing all the simulations specified by the TSO and produces a report containing the results by means of curves and data. The simulations and the production of the report are achieved automatically to create a gain of time and resources.In order to validate the performance of the tool, two case studies are performed on different types of power plants. The two case studies analyzed present a hydraulic and a nuclear power plant. In the results the performance of each type of power plant is assessed focusing on the rotor angle stability of the machine and key elements, such as the voltage and the active power. These results lead to the conclusion that AuDySim fulfills its mission, by achieving automatically an analysis of the performance of an electrical generation unit and producing it in a report.
Den nuvarande elproduktionsmodellen baseras på kraftverk som är direktkopplade till stamnätet. Stamnätet i sin tur matar distributionsnätet som därefter levererar el till slutkonsumenterna. För att säkerställa stamnätets integritet samt säkerhet och undvika strömavbrott kvantifieras prestandan hos varje generator som är ansluten till det med hjälp av nätkoder. När det gäller det franska stamnätet skrivs prestandakraven i ett dokument som utfärdas av den franska transmissionssystemoperatören (TSO). Olika händelser med olika anslutningskonfigurationer måste simuleras där dess prestanda ska utvärderats. Syftet med dessa simuleringar är att identifiera stabiliteten vid varje elproduktionsenhet med bl. a. dess reaktionstid för den aktiva effekten efter kortslutningar.Med tanke på antalet generatorer som är anslutna till stamnätet framträder ett behov för överföringsoptimering vilket är syftet med detta examensarbete. För att utföra dessa simuleringar på ett effektivt sätt på alla generatorer som ägs av den ledande franska elproducenten, EDF, bidrar denna avhandling med ett verktyg som heter AuDySim kodat i mjukvarorna MATLAB och EUROSTAG. Verktyget gör det möjligt för användaren att konfigurera en elproduktionsenhet innan man utför alla simuleringar som specificeras av TSO:n och samtidigt producerar en rapport som innehåller grafisk- och data resultat. Både simuleringar och rapporten produceras automatiskt för att optimera en bearbetningstid och resursanvändning.För att validera verktygets prestanda utförs två fallstudier på olika typer av kraftverk. De två fallstudierna fokuserar på ett hydraulisk- respektive ett kärnkraftverk. I resultaten utvärderas prestanda för varje typ av kraftverk, med fokus på maskinens rotorvinkelstabilitet och andra viktiga faktorer, såsom spänning och aktiv effekt. Resultat leder till slutsatsen att AuDySim uppfyller sitt uppdrag genom att automatiskt analysera prestanda hos en elektrisk generationsenhet och presentera analysen i en rapport.
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Sarabia, Jaime (Jaime Eduardo) 1976. "An investigation into the use of linear generators in the Schneider Hydro-Power Generation system." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9588.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.
Includes bibliographical references (leaf 23).
The Schneider HydroBeaver is a revolutionary idea in Hydro-Power Generation. Conventional dams employ the use of turbines which require a large head to generate the power. The large head is developed through dams, which alter the natural course of rivers, destroying fertile river valleys and ruining the environment for fish. The HydroBeaver plans to develop power through a head of only 3 meters. No dam is required to develop this head. The HydroBeaver unit is small and envi­ronmentally friendly. Because no dam is required, no land is destroyed, plus the design allows for safe passage of fish downstream. The purpose of this thesis was an investigation into Llie feasibil­ity and efficiency of a linear generation unit rather than a rotational generation unit. As is, the Hydro Beaver generates power through a rotational power generation unit placed on one of the axis. The idea is that a linear generation unit would be able to provide more power, more effi­ciently and in less space. This thesis discovered the governing variables in a linear power genera­tor and briefly describes how to design a linear generator according to these variables. Airgap, magnet size, magnet flux density and field intensity, as well as velocity were discovered to effect power generation. Given the size restraints of the HydroBeaver and limits on foil velocity, it was discovered that a linear power generation unit is an inefficient and not very economic approach to the power generation problem. It will develop power, but only at about 10% of the power desired. This thesis lays the groundwork on the design of a linear generator so in the event of advancement in magneto-solid technology or some other technological advance, this thesis can be referenced or reinvestigated.
by Jaime Sarabia.
S.B.
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Thomson, Allister James. "Effect of hydro-electric power generation on benthic macroinvertebrates in the River North Tyne downstream of Kielder Dam." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313547.

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Kiamehr, Mehdi. "The evolution of systems-integration capability in latecomer contexts : the case of Iran's thermal and hydro power generation systems." Thesis, University of Brighton, 2012. https://research.brighton.ac.uk/en/studentTheses/b31e948f-290d-488f-9b7e-bddd6a4dc83b.

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This study concerns building capabilities within the electricity sector of Iran, a developing country. It focuses on two areas of high-technology development,• hydro electricity generation plants and thermal electricity generation plants, and investigates the accumulation of local capabilities to undertake large and complex development projects in these two areas. The empirical aim of the thesis is to analyse how far the local capabilities have advanced and what can be done to enhance them. The business of engineering and developing complex electricity generation systems, such as hydro and thermal power plants, is an example of high-value high-technology capital goods industries (sometimes referred to as CoPS in the innovation studies literature). This literature suggests that systems integration is a core capability of leading suppliers in CoPS industries. Most studies of capability building at the firm level in latecomer contexts, however, have focused on mass-manufacturing firms rather than on project-based ones. The CoPS literature, on the other hand, has investigated the concept of systems integration capability within the context of developed economies. Therefore, this research aims to examine latecomer systems integration capability (LSIC) in these two CoPS areas in Iran to develop our understanding of the nature and evolution of LSIC. This research is carried out as an exploratory case study, combining some elements of latecomer theory, systems integration and capability theory to develop the analytical framework for the study. The framework is then applied to evidence gathered from two major Iranian systems integrators that lead engineering and development activities involved in the construction of power plants. Evidence is gathered on the evolution of micro-level attributes, including people, knowledge, processes and structures, underlying LSIC, along with changes in products and outcomes of systems integration activities. These categories of evidence are combined with the evidence on the internal context of the firms and their external environment to reveal their achievements in the accumulation of LSIC, and to understand the dynamics behind the evolution of LSIC. The analysis of this thesis shows how the two Iranian firms entered into the business of systems integration of power plant systems, and have gradually built higher levels of LSIC, allowing them to succeed in competitive local and overseas markets, and to diversify into local markets for other complex projects. Nevertheless, there have been imbalances, spurts of rapid capability growth, periods of falling behind in specific areas of LSIC, close connections and relationships (amounting to a co-evolution among LSIC areas), and major investments and strategies to remedy imbalances, and to sustain the firms' progress. This thesis also attempts to explain these complex variations in the evolutionary paths of LSIC. In addition to contributing to the latecomer capability literature, this research suggests some policy and business strategy implications.
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Kadowaki, Makoto. "Modelo de programação da operação de sistemas hidrotérmicos predominantemente hidrelétricos . = Short term generation scheduling of hydro dominant hydrothermal systems." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261160.

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Orientador: Takaaki Ohishi
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação
Made available in DSpace on 2018-08-21T04:48:16Z (GMT). No. of bitstreams: 1 Kadowaki_Makoto_D.pdf: 5665852 bytes, checksum: 8007a4e9bf74d78a3c83adc1271d30e0 (MD5) Previous issue date: 2012
Resumo: Esta tese apresenta um modelo para a programação da operação de sistemas hidrotérmicos predominantemente hidrelétricos. A formulação matemática adota uma representação detalhada das usinas hidrelétricas, do sistema de reservatórios, e leva também em conta requisitos de mercado e de operação. As usinas hidrelétricas são modeladas incluindo suas unidades geradoras (conjunto turbina-gerador), com os seus rendimentos representados pela curva colina, e considerando ainda os custos de partida/ parada das unidades geradoras. O sistema de reservatórios leva em conta a rede de reservatórios, considerando os tempos de viagem da água entre reservatórios, limites operativos de armazenamento, turbinagem e defluência, e considera também rampas de geração para atendimento de restrições ambientais. Em termos de mercado, o modelo considera a uma curva de carga global em base horária, e em termos de requisitos operativos considera restrições de reserva girante e conexão de usinas hidrelétricas a mais de um barramento. Como critério de otimização adota-se a minimização de perdas de geração na operação das hidrelétricas e dos custos de partidas e paradas de unidades geradoras. Como resultado desta modelagem, tem-se um problema de otimização determinístico não linear inteiro misto de grande porte. Este problema de otimização foi tratado por uma abordagem híbrida, combinando metodologias baseadas em Programação Dinâmica, Método de Newton, Método de Relaxação das Restrições, Método de Conjuntos Ativos e heurísticas. A metodologia foi aplicada a um estudo de caso baseado na programação de operação do Sistema Interligado Nacional, composto de 94 usinas hidrelétricas, 447 unidades geradoras e considerando um horizonte de uma semana
Abstract: This thesis presents a hydro unit commitment model for predominantly hydroelectric hydrothermal systems. The model employs a detailed representation of the hydro plants, the reservoir system, and taking into account the load demand and operational requirements. The hydro plants are modeling at hydro generation unit (turbine-generator set) level, in which its efficiency is represented by the hill curves, and also considering the hydro-unit start-up / shutdown costs. The reservoir system considers the network of reservoirs, the lead time of water displacement between reservoirs, the operational limits of storage, discharge, and generation ramp rate. The load demand is represented on hourly (or less) time base, the requirements of spinning reserve are taking into account, and the model also allows the representation of plants connected to more than one transmission sub-system. The mathematical formulation obtained is a mixed integer nonlinear optimization problem. The optimization problem is treated by hybrid method, combining methodologies based on Dynamic Programming, Newton Method, Active Set Method, and heuristics. The methodology is applied to a test system based on the Brazilian Interconnected System, composed of 94 hydro plants, with 447 hydro generation units, and considering a time horizon of one week
Doutorado
Energia Eletrica
Doutor em Engenharia Elétrica
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Karnik, Macaya Yohanna. "Vattennivåreglering i Avesta Lillfors : På uppdrag av Fortum Generation AB." Thesis, KTH, Data- och elektroteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146658.

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I denna rapport utreds olika metoder för att kunna reglera vattennivån i vattenkraftverket Avesta Lillfors i Dalarna. Två kraftverk ligger endast 900 m uppströms och detta gör att svarstiderna blir korta och regleringen blir lätt nervös. Att använda sig av vattennivåreglering i ett kraftverk för-enklar dess styrning då anpassning till inflödet sker automatiskt. En flödestabell har tagits fram genom mätningar i turbinen, med hjälp av Winter-Kennedy-metoden. Denna tabell används för att kunna fram-koppla regulatorn och därmed dämpa stora variationer i inflödet. Dessu-tom har en modell av älven skapats och testats med en återkopplad PID-regulator. Utefter dessa tester har lämpliga parametrar tagits fram, som ger önskad stabilitet, noggrannhet och snabbhet. Simuleringar har även gjorts med reglermetoden Fuzzy logic.
This report evaluates different methods to create a stable regulation of the water level in the hydro power plant Avesta Lillfors, in county Dalar-na. Another pair of plants are located just 900 m up the stream, which is why the regulation has to act fast. If the water level can be regulated and automatically adjust to the incoming flow, it facilitates the control of the plant. A flow chart is created from measurements in the turbine, using the Win-ter-Kennedy method. The results are used for feedforward control. A PID-regulator with feedback is also simulated in a model of the river. This helps finding the parameters that provide a stable, accurate and fast regu-lation. Fuzzy logic control has also been simulated.
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Books on the topic "Hydro power generation"

1

Driben, Paul. The generation of power and fear: The Little Jackfish River hydroelectric project and the Whitesand Indian Band. [Thunder Bay, Ont.]: Lakehead Centre for Northern Studies, 1989.

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Ontario. Ministry of the Environment. Monitoring cost estimates and their implications for direct dischargers in the electric generation sector. [Toronto]: Queen's Printer for Ontario, 1989.

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Environment, Ontario Ministry of the. Monitoring cost estimates and their implications for direct dischargers in the electric generation sector: Draft. Toronto: Ministry of the Environment, 1989.

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Municipal Industrial Strategy for Abatement Program (Ontario). The Development document for the draft effluent monitoring regulation for the electric power generation sector. Toronto: Environment Ontario, 1989.

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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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Ontario. Legislative Assembly. Select Committee on Energy. Report on Darlington Nuclear Generating Station. Toronto: Queen's Printer, 1985.

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Economic and financial profile of the Ontario electric power generation industry: Municipal-Industrial Strategy for Abatement (MISA) : report. [Toronto]: Environment Ontario, 1989.

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Wolf, E. L. Wind, hydro and tides Fully sustainable energy. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198769804.003.0008.

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Wind-turbine science and technology is outlined, following the work of Betz. Rotor design, blade construction and aspects of electric power generation are described, principally for large horizontal-axis devices, with some mention of vertical axis wind turbines. Hydropower and pumped storage are treated, with mention of Francis and Kaplan turbines. A summary of tidal energy is included. We now go into detail on some aspects of these topics. As these forms of energy come either from the Sun (in an indirect fashion) or from the motion of the Earth and Moon, they are available on an indefinite term into the future.
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Book chapters on the topic "Hydro power generation"

1

Oliveira, P., S. Mckee, and C. Coles. "The Optimal Scheduling of Hydro-Electric Power Generation." In Proceedings of the Fifth European Conference on Mathematics in Industry, 109–14. Wiesbaden: Vieweg+Teubner Verlag, 1991. http://dx.doi.org/10.1007/978-3-663-01312-9_14.

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Deulkar, Aparna M., Vivek S. Chavhan, and Pankaj R. Modak. "Micro-hydro Power Generation in India—A Review." In Water Resources Management and Reservoir Operation, 219–25. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79400-2_18.

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Kobila, T. Ø. "The choice between hydro and thermal power generation under uncertainty." In Recent Modelling Approaches in Applied Energy Economics, 187–205. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-3088-2_10.

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Amoo, Oseni Taiwo, Motebang Dominic Vincent Nakin, Abdultaofeek Abayomi, Uduak Umoh, Murimo Bethel Mutanga, and Solomon Olakunle Bilewu. "Assessing Impacts of Low Flow on Kainji Hydro-Power Generation." In Hybrid Intelligent Systems, 803–13. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73050-5_78.

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Durgesh Kumar, Ankit Gupta, Rupendra Kumar Pachauri, and Yogesh K. Chauhan. "Performance Investigation of ANN Controller-Assisted Small Hydro Power Generation System." In Proceeding of International Conference on Intelligent Communication, Control and Devices, 871–77. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1708-7_102.

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Maheswari, Santhoshkumar, and C. Vijayalakshmi Seshathri. "An Optimal Design to Schedule the Hydro Power Generation Using Lagrangian Relaxation Method." In Advances in Intelligent and Soft Computing, 723–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27443-5_82.

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Sarda, Jigar, and Kartik Pandya. "Optimal Active–Reactive Power Dispatch Considering Stochastic Behavior of Wind, Solar and Small-Hydro Generation." In Advances in Intelligent Systems and Computing, 255–63. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1819-1_25.

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Velazhagan, P., A. Ramesh Babu, M. D. Vijayakumar, and G. T. Sundar Rajan. "Prospect of Pico-Hydro Electric Power Generation Scheme by Using Consuming Water Distributed to Multi-storage Building." In Lecture Notes in Electrical Engineering, 213–21. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1906-8_23.

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Leong, M. Salman, and Ng Boon Hee. "Managing the Risks of Adverse Operational Requirements in Power Generation – Case Study in Gas and Hydro Turbines." In Asset Condition, Information Systems and Decision Models, 207–18. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2924-0_11.

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Pati, Subhranshu Sekhar, and Saroj Kumar Mishra. "Automatic Generation Control of a Wind Turbine Integrated Hydro-thermal Plant with Redox Flow Batteries for 2-Area Interconnected Power System." In Smart Intelligent Computing and Applications, 411–18. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9282-5_39.

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Conference papers on the topic "Hydro power generation"

1

Bisht, Vimal Singh. "Genetic algorithm solution for convex hydro-thermal generation scheduling problem." In 2012 IEEE Fifth Power India Conference. IEEE, 2012. http://dx.doi.org/10.1109/poweri.2012.6479532.

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Sebastijanovic, Slavko, Milan Opalic, and Nebojsa Sebastijanovic. "A Study of Integrity Changes in Structures During Exploitation." In 2002 International Joint Power Generation Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ijpgc2002-26072.

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Spherical and cylindrical pressure vessels are manufactured as welded structures, where cracks could be initiated/propagated during fabrication, pre-service hydro-test, service itself, service welding repair, or during the service hydro-test. In this case, fracture mechanics approach is necessary. This paper analyzes the stress state around cracks in the bottom head which is one of the main components in a cylindrical pressure vessel (radius of 1056 mm, wall thickness of 92 mm, pressure of 15.5 MPa and temperature of 454°C). Sizes of several detected cracks at the inner surface are determined by the NDE methods. Finite element analysis is performed to determine the stress zones in the vicinity of the most critical crack. Such analysis is done before and after the hydro-test. It will show the influence of the hydro-test on propagation of the existing cracks and fracture behavior of repaired cracks through the stress state analysis. Changes in material properties were analyzed. Results will be used to assess the pressure vessel integrity and estimate its useful life.
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Robert, G., and F. Michaud. "Hydro power plant modeling for generation control applications." In 2012 American Control Conference - ACC 2012. IEEE, 2012. http://dx.doi.org/10.1109/acc.2012.6315213.

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Chioma, Opanweze, Sadiq Thomas, Suleiman U. Hussein, Godwin Aboi, Omotayo Oshiga, and Ahmed Abubakar Ahmed. "Hydro Power Generation 1n Nigeria: Impacts And Mitigation." In 2019 15th International Conference on Electronics, Computer and Computation (ICECCO). IEEE, 2019. http://dx.doi.org/10.1109/icecco48375.2019.9043184.

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Rigatos, Gerasimos, Pierluigi Siano, Carlo Cecati, and Masoud Abbaszadeh. "Nonlinear optimal control for hydro-power generation units." In 2018 AEIT International Annual Conference. IEEE, 2018. http://dx.doi.org/10.23919/aeit.2018.8577457.

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Javed, Umer, Muhammad Moazam Fraz, Imran Mahmood, Muhammad Shahzad, and Omar Arif. "Forecasting of Electricity Generation for Hydro Power Plants." In 2020 IEEE 17th International Conference on Smart Communities: Improving Quality of Life Using ICT, IoT and AI (HONET). IEEE, 2020. http://dx.doi.org/10.1109/honet50430.2020.9322841.

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Bhati, Nikhil, and Ujjwal Kumar Kalla. "Investigations on PMBLDCG for Micro Hydro Power Generation." In 2021 International Conference on Sustainable Energy and Future Electric Transportation (SEFET). IEEE, 2021. http://dx.doi.org/10.1109/sefet48154.2021.9375678.

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Yahya, Ahmad Khusairee, Wan Noraishah Wan Abdul Munim, and Zulkifli Othman. "Pico-hydro power generation using dual pelton turbines and single generator." In 2014 IEEE 8th International Power Engineering and Optimization Conference (PEOCO). IEEE, 2014. http://dx.doi.org/10.1109/peoco.2014.6814495.

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Jin Zou and Xu Lai. "Robust control of hydro generators for wind power variability accommodation." In International Conference on Renewable Power Generation (RPG 2015). Institution of Engineering and Technology, 2015. http://dx.doi.org/10.1049/cp.2015.0322.

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Renton, M. W. "Expert system scheduling of cascade hydro-electric plants." In International Conference on Opportunities and Advances in International Power Generation. IEE, 1996. http://dx.doi.org/10.1049/cp:19960121.

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