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Journal articles on the topic 'The Gabčíkovo hydropower plant'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Lehotský, Milan, and Peter Mariot. "Socioeconomic Aspects of the Gabčíkovo Hydropower Plant." Geografie 97, no. 4 (1992): 232–43. http://dx.doi.org/10.37040/geografie1992097040232.

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An approach of space structures graphic modelling has been applied in the study of the Gabčíkovo Hydropower Plant (GHP) effects on its hinterland. The model of socioeconomic system of the Gabčíkovo hinterland served as a base. Changes in the socioeconomic systems in the hinterland linked with the construction and operation of the GHP and effects that would be caused by the demolition of the reservoir were examined on the model.

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2

Bucha, Tomáš, and Martin Slávik. "Improved methods of classification of multispectral aerial photographs: evaluation of floodplain forests in the inundation area of the Danube." Folia Forestalia Polonica, Series A - Forestry 55(2) (September 9, 2015): 58–71. https://doi.org/10.2478/ffp-2013-0007.

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The Gabčíkovo hydroelectric power plant has significantly influenced Danube water regime, thus the condition of floodplain forests in the region. Forest condition has been regularly monitored since 1995 using aerial photos. The subject of this study was to improve the procedure of floodplain forest health evaluation based on digital multispectral aerial images. Firstly, the forest mask was created with overall accuracy 89%, and next, tree health was evaluated using defoliation as health indicator. We applied orthogonal transformation of 4 original bands of multispectral imagery into two

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3

Otahelová, Helena, and Milan Valachovič. "Distribution of macrophytes in different water-bodies (habitats) influenced by the Gabčíkovo hydropower station (Slovakia) - present status." River Systems 14, no. 1-2 (2003): 97–115. http://dx.doi.org/10.1127/lr/14/2003/97.

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4

Danáčová, Michaela, and Ján Szolgay. "Variable Parameter Multilinear Muskingum Method: Case Study on the Danube River." Slovak Journal of Civil Engineering 26, no. 4 (2018): 56–65. http://dx.doi.org/10.2478/sjce-2018-0029.

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Abstract The Muskingum method is based on a linear relationship between a channel’s storage and inflow and outflow discharges. The applicability of using travel-time discharge relationships to model the variability of the K parameter in a Muskingum routing model was tested. The new parameter estimation method is based on the relationships between the traveltime parameter (K) and the input discharge for the reach of the Danube River between Devín-Bratislava and Medveďov, which includes the Gabčíkovo hydropower scheme. The variable parametrisation method was compared with the classical approach.

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Sekretarev, Yuri, Sherkhon Sultonov, and Victor Shalnev. "Optimal Control Mode of the Vakhsh Hydropower Reservoirs to Reduce Electricity Shortages in Tajikistan." Applied Mechanics and Materials 792 (September 2015): 446–50. http://dx.doi.org/10.4028/www.scientific.net/amm.792.446.

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The paper is aimed to determine runoff limits of the Vakhsh cascade hydropower plant, which are the main parameters when setting optimum modes of the hydropower plant. It is proposed to increase power generation of the hydropower plant of the Vakhsh cascade by assigning the optimal modes of operation of hydropower plants. The peculiarities of managing the cascades of hydropower plants are described. The description of the Vakhsh cascade hydropower plant and the method of controlling the reservoir of the cascade of the hydropower plants are given.

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6

Kiene, S., and O. Linkevics. "Simplified Model for Evaluation of Hydropower Plant Conversion into Pumped Storage Hydropower Plant." Latvian Journal of Physics and Technical Sciences 58, no. 3 (2021): 108–20. http://dx.doi.org/10.2478/lpts-2021-0020.

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Abstract Increasing capacity of intermittent generation brings new challenges to balance demand and supply in power systems. With retirement of conventional fossil generation, the role of energy storage is increasing. One of the most competitive storage technologies is pumped storage hydropower plant (PSHP). Usually, such PSHPs are constructed as green field solutions, but in some cases conversion of a hydropower plant into a pump storage hydropower plant by building a pump station is possible. To evaluate the feasibility of such modernisation it is necessary to estimate the benefits of PSHP o

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7

Kollár, Jozef, and Andrej Palaj. "The Changes in the Forest Vegetation on the Danube River Aggradation Mound Affected by Water Regime Changes." Ekológia (Bratislava) 42, no. 2 (2023): 117–21. http://dx.doi.org/10.2478/eko-2023-0014.

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Abstract This article is focused on the specific vegetation, which has formed from the floodplain forests on the aggradation mound (elevated sediment deposition) along the original Danube river in Slovakia in the part affected by Gabčíkovo waterworks that was put in operation in 1992. As a result of water regime changes, when a major part of the Danube water flow was redirected to the Gabčíkovo hydroelectric power plant, original floodplain forests on the aggradation mound began to suffer from a water deficit, which is also supported by shallow soils formed mostly on the gravel sediments with

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8

Rehan, Jamil Irfan Jamil Zhao jinquan Ming Li Jiang Qirong Rizwan Jamil. "Development Trend of Chinese Hydroelectric Generation Technology of Hydro Power Plant (HPP)." International Journal of Engineering Works 1, no. 1 (2014): 1–5. https://doi.org/10.5281/zenodo.15735.

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Water power is a renewable energy which is economically cheap, clean and reliable. Theoretical hydropower resources of China amounted to 680 million kW, the greatest in the world. For the water maintains circulating according to a certain hydrologic cycle continuously and uninterruptedly, the water resources are considered to be a renewable energy. Therefore Hydropower is low cost due to firstly, the energy carried by the water flow is the only energy required for the power generation in the hydropower station. Secondly, the applied equipment is simpler than that of thermal power plant, thus c

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9

Acakpovi, Amevi, Essel Ben Hagan, and Francois Xavier Fifatin. "Review of Hydropower Plant Models." International Journal of Computer Applications 108, no. 18 (2014): 33–38. http://dx.doi.org/10.5120/19014-0541.

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10

H. Ngoma, Daniel, Banet Masenga, and Adam Mfangavo. "Theory of Hydropower Plant Technology." International Journal of Science and Research (IJSR) 12, no. 9 (2023): 1501–7. http://dx.doi.org/10.21275/sr23919185816.

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11

Krajcar, Slavko, Perica Ilak, and Ivan Rajšl. "Hydropower plant simultaneous biding in electricity market and ancillary services markets." Journal of Energy - Energija 64, no. 1-4 (2022): 29–51. http://dx.doi.org/10.37798/2015641-4142.

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In a traditional environment, hydropower plant owners seek for minimum cost while in today deregulated environment goal function is profit maximization. Besides electricity only market, power producers can offer their services also in ancillary services markets. By doing so, it is possible to increase expected profit. This paper focuses on simultaneous hydropower plant biding in electricity and ancillary services markets, and purpose is to examine and verify effects of the proposed method on expected profit of hydropower plan owner. A mathematical model based on mixed integer programming appro

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12

Purece, Cristian, and Dorian Marin. "SMALL HYDROELECTRIC POWER PLANT, INTEGRALY CONTROLLED BY CALCULATION TECHNIQUE." Deutsche internationale Zeitschrift für zeitgenössische Wissenschaft 78 (April 21, 2024): 77–80. https://doi.org/10.5281/zenodo.11005359.

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The good operation of the automation systems with which the small hydropower plants are equipped has an important contribution to the optimal operation of these small hydropower plants. Outdated, inefficient automation must be replaced with modern, computer-based control in order to obtain the best possible efficiency. Such a modernized automatic control system was implemented at the small hydropower plant Leşu. The automatic control and command system fully ensures monitoring and automatic commands for the efficient and safe operation of the hydropower plant, includin

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13

Wu, Zhi Jian, Ying Zi Song, and Hai Song Zhou. "Web-Based Meteorological Information System Design and its Applications in Intelligent Hydroelectric." Advanced Materials Research 659 (January 2013): 208–12. http://dx.doi.org/10.4028/www.scientific.net/amr.659.208.

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This article describes an software architecture and functional design of the meteorological information system based on Web technology, which embedded a smart hydropower plant system ,introduces an actual construction of a hydroelectric power plant meteorological information system of a smart hydropower plant. At the same time, explore the prospects and development direction of the meteorological information system smart hydropower plant.

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Sudirman, Weddy Bernadi, and Sarwono Hardjomuljadi. "Project Risk Management in Hydropower Plant Projects." Journal of Infrastructure Development 3, no. 2 (2011): 171–86. http://dx.doi.org/10.1177/097493061100300205.

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The development of hydroelectric power plant is one of the efforts in utilising water resources for people’s welfare by generating the energy for electricity purpose. Nowadays, the installed capacity of hydro electric power plants is 3,529 MW from the total installed capacity 24,846 MW from various power plants owned by PT PLN (Persero) and the hydropower potential 75,000 MW all over Indonesia. Hydroelectric power plant has complex structures and involves large amounts of capital with a long-running construction period. This situation imposes uncertainty factors with considerably high risks. T

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Haguma, Didier, Robert Leconte, and Stéphane Krau. "Hydropower plant adaptation strategies for climate change impacts on hydrological regime." Canadian Journal of Civil Engineering 44, no. 11 (2017): 962–70. http://dx.doi.org/10.1139/cjce-2017-0141.

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This study addresses the problem of the adaptation of hydropower plants to the future climate. A water resources optimization method was used to determine the optimum operating policy for the Manicouagan water system, Quebec, Canada, for the future hydrological regime and to establish hydropower adaptation strategies. The adaptation of the operating policy showed an increase in hydropower generation, an increase in unproductive spills, and a decrease in hydropower plant efficiency as consequences of the inflow increase, especially in winter and spring. Structural adaptation strategies, which c

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Olexa, Richard, and Pavol Fedor. "Simulation and Laboratory Model of Small Hydropower Plant." Acta Electrotechnica et Informatica 22, no. 4 (2022): 12–17. http://dx.doi.org/10.2478/aei-2022-0017.

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Abstract This paper is dedicated to the description of all our research done so far in the field of simulation of small hydropower plants as well as in creating a functional laboratory model based on the proposed simulation models. Comparing to the common structures, we propose some different approaches in modelling parts of the small hydropower plants, e.g. fuzzy model of the hydraulic turbine efficiency. Moreover, this simulation model is created directly for the small hydropower plants, thus it simplifies parts, that are commonly used in other scientific papers and simulate the phenomenon c

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Abdikadir Mohamoud, Mohamed, and Gözen Elkiran. "The range of hydropower projects and their effects on the environment." Future Technology 2, no. 3 (2023): 12–16. http://dx.doi.org/10.55670/fpll.futech.2.3.3.

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A Peak load capacity of hydropower facilities has become more necessary as electricity grids have expanded. The ratio of power demands during peak times to those during off-peak times has increased in several power plant systems. One way to meet the rising need for affordable peak power is by using reversible pump turbines. Depending on the sorts of facilities used to generate hydropower, there are several types of hydropower plants. We'll talk about the most efficient and reliable hydropower sources, as well as various hydropower plant types based on the varied hydropower generation facilitie

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18

Hren, Gorazd, Andrej Predin, Matej Fike, and Marko Pezdevšek. "ASSESSING THE EFFECTS OF A HYDROPOWER PLANT BASIN ON FISH SPAWNING IN AN UPSTREAM RIVER TRIBUTARY." Journal of Energy Technology 17, no. 4 (2025): 21–33. https://doi.org/10.18690/jet.17.4.21-33.2024.

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This paper presents a combined modeling approach to evaluate the ecological effects on the habitat of an upstream tributary of a river with a series of hydropower plants. The influence is investigated of the last planned hydropower plant to be built, which has a large impact on the river ecosystem. The new hydropower plant basin will affect the tributary with hydropeaking in the upstream basin. A simulation was conducted of spawning conditions for two protected fish species. The analysis combined a hydro-morphological model with a fish module that considers the water depth and velocity necessa

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19

Operacz, Agnieszka, Bartosz Szeląg, and Mads Grahl-Madsen. "Possibility of the modelling of electricity production from hydropower." E3S Web of Conferences 86 (2019): 00008. http://dx.doi.org/10.1051/e3sconf/20198600008.

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In hydropower plants benefits depends on available flow. The paper presents a hybrid model for forecasting the operation of a hydropower plant, including the production of electricity. The possibility of mathematical modeling was chosen to show connections between observed in the past hydrological conditions (available flow) and energy deliver in the future. The available flow which is not enough for start turbines was forecasting by logistic regression model. The opposite situation when the flow starts turbine to produce energy, regression models (the support vector machines SVM, random fores

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20

Adetunmbi, AO, and OI Dare Adeniran. "Design of a mini hydro-electric power plant." International Journal of Multidisciplinary Research and Growth Evaluation 5, no. 1 (2024): 18–21. http://dx.doi.org/10.54660/.ijmrge.2024.5.1.18-21.

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The core concept of hydropower centers on capturing the energy produced as water moves from a higher elevation to a lower one. This involves utilizing the resulting water pressure to generate electrical energy. This practical application of hydropower generation theory entails the design and installation of a mini hydropower plant. To assess its performance, a storage tank was strategically positioned at the maximum height to optimize water pressure, and a plastic pipe was employed for transportation. The construction of a turbine and generator, along with the subsequent assembly of their resp

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21

Bueno, Eduardo de Oliveira, Carlos Rogério de Mello, and Geovane Junqueira Alves. "Evaporation from Camargos hydropower plant reservoir: water footprint characterization." RBRH 21, no. 3 (2016): 570–75. http://dx.doi.org/10.1590/2318-0331.011616021.

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ABSTRACT In recent years, a relevant debate has been raised by a question related to if the hydropower plants indeed represent a non-consumptive use of water resources. In this context, this work was developed at the Camargos Hydropower Plant reservoir, Grande river basin, southern Minas Gerais state, aiming to estimate evaporation rates, which allow the characterization of the Water Footprint in this facility, between the years of 2010 and 2014. Evaporation rates were estimated based on Linacre, Penman and Penman-Monteith methods. Regarding the distribution of evaporation throughout the year,

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22

Saputra, Muhammad Resky, and Bambang Syairuddin. "Financial Feasibility Analysis of Cilampuyang Hydropower Plant Project (2X15 MW)." Jurnal Teknobisnis 9, no. 1 (2024): 103–13. http://dx.doi.org/10.12962/j24609463.v9i1.939.

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The Cilampuyang Hydropower Plant (2x15 MW) project is deemed feasible based on the financial analysis conducted. The electricity demand in West Java is projected to reach 20.1 million customers by 2030, with a growth rate of 3.27%. In light of the renewable energy policy, hydropower is considered a viable solution. The project is undertaken by PT Bangun Daya Utama and PT Bukaka Teknik Utama. According to the Renewable Power Generation Costs in 2021 report by IRENA, the construction costs for new hydropower plants from 2010 to 2021 ranged from USD 600/kW to USD 4,500/kW, equivalent to approxima

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Mojzeš, Marcel, Pavol Kollár, and Michal Mikolaj. "Estimation of an Effective Young’s Modulus of Elasticity in the Locality of the Gabčíkovo Hydrology Power Plant by Geometric Leveling." Slovak Journal of Civil Engineering 23, no. 1 (2015): 33–40. http://dx.doi.org/10.1515/sjce-2015-0005.

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Abstract The Gabčíkovo hydroelectric power plant is located in a complicated geological environment (gravel sub-soil and a high groundwater level). Excavation work started after the withdrawal of water in the autumn of 1984 and lasted until the autumn of 1986. A basic geodetic control network with a special monument was founded before the excavation work began. This network served for the setting-out of the hydroelectric power plant as well as for the control of the excavation work. The repeated geodetic control measurements have been evaluated and presented at many seminars and conferences. M

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Bañaga, Camille O., La Arnie H. Bandagosa, Geneva A. Llorin, et al. "Hydropower Plant Designs for Selected Areas in the 5th District (Rinconada) of Camarines Sur, Philippines." Journal of Engineering and Emerging Technologies 2, no. 1 (2023): 38–47. https://doi.org/10.52631/jeet.v2i1.301.

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Hydropower is one of the major renewable energy sources in the world. It is less expensive and environmentally friendly as it does not emit harmful gases that can affect the surroundings. The Philippines has many water resources. This indicates that it can be a very good place for hydropower development because of the huge amount of water available there. This research paper focused on the development of designs for hydropower plants in selected sites in the 5th District of Camarines Sur, Philippines. Based on the initial assessment of hydropower potential for the sites, designs for hydropower

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Dyvak, Mykola, Volodymyr Manzhula, Andriy Melnyk, et al. "Modeling the Electricity Generation Processes of a Combined Solar and Small Hydropower Plant." Energies 18, no. 9 (2025): 2351. https://doi.org/10.3390/en18092351.

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This article proposes the concept of an integrated system consisting of two components: a small hydropower plant (SHPP) and a solar power plant (SPP), where the SHPP operates as a pumped-storage hydropower plant, and the SPP supplies energy for lifting water to the upper reservoir. A methodology is proposed for evaluating the joint operation of a solar power plant and a small hydropower plant. The methodology is based on modeling the electricity generation processes of combined solar and small hydropower plants. Additionally, a novel hybrid method is proposed for identifying interval models of

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Rodríguez-Galán, Diego Fernando, and Andrés Escobar-Díaz. "Usaquén small hydropower plant - successful case." Visión electrónica 1, no. 2 (2018): 293–303. http://dx.doi.org/10.14483/22484728.18393.

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In this study a presentation is made of the Small Hydroelectric Power Plant (PCH) located in Usaquén (Bogota), the work is based on an engineering project carried out by the Aqueduct and Sewer Company of Bogotá (EAAB). It is addressed first of all the environmental problems considered in this project and the business context that propitiates it, taking into account the technical background of the operation of the aqueduct system of the city. In second instance, the technical generalities and the scopes that were estimated in the formulation of the project are exposed to finally contrast them w

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Mangiavacchi, N., L. M. Carvalho, C. B. P. Soares, V. Costa, and W. Fortes. "Preconditioners for hydropower plant flow simulations." PAMM 7, no. 1 (2007): 2100021–22. http://dx.doi.org/10.1002/pamm.200700125.

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Raut, Prahlad, Rajendra Shrestha, and Pashupati Raj Gautam. "Optimization for Upgradation of Small Hydropower Plant in Nepal: A Case Study of Sundarijal Hydropower Plant." Journal of the Institute of Engineering 14, no. 1 (2018): 82–95. http://dx.doi.org/10.3126/jie.v14i1.20071.

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Efficiencies of electro-mechanical components of the Sundarijal Hydropower Plant in Nepal has been decreased and the plant has been generating less energy than design generation. The study shows that the plant can be upgraded to 1.1 MW capacity at Q60 design with rehabilitation. Main objective of the plant rehabilitation is to improve operational stability and reliability of power supply by increasing capacity, efficiency, and safety of the plant. The research is based on the Residual Life Assessment of hydro-mechanical components. Minimum thickness of existing penstock obtained from measureme

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Liu, Shu Liang, Yun Xia Song, and Peng Liang Hao. "The Fuzzy Comprehensive Evaluation of Hydropower Plant Production and Operating Conditions Based on the BP Neural Network Improved." Applied Mechanics and Materials 71-78 (July 2011): 4170–73. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.4170.

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With the rapid economic growth, the resources and environment condition gradually tightens. We need to accelerate the development of hydropower resources. The electric power produced by the hydropower plants is a kind of green power energy. The quality analysis of hydropower production operation condition will become the focus of our researching. In paper we construct a reasonable set of evaluating indicator system of hydropower production operation and have used the BP neural network and fuzzy quality synthetic to analyze the production and operation condition of several hydropower plants. He

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Khaniya, Bhabishya, Chamaka Karunanayake, Miyuru B. Gunathilake, and Upaka Rathnayake. "Projection of Future Hydropower Generation in Samanalawewa Power Plant, Sri Lanka." Mathematical Problems in Engineering 2020 (October 17, 2020): 1–11. http://dx.doi.org/10.1155/2020/8862067.

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The projection of future hydropower generation is extremely important for the sustainable development of any country, which utilizes hydropower as one of the major sources of energy to plan the country’s power management system. Hydropower generation, on the other hand, is mostly dependent on the weather and climate dynamics of the local area. In this paper, we aim to study the impact of climate change on the future performance of the Samanalawewa hydropower plant located in Sri Lanka using artificial neural networks (ANNs). ANNs are one of the most effective machine learning tools for examini

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Bakshtanin, Alexander, and Tatiana Zhukova. "An investigation into the practical application of the physical principle to ensure the safety of hydraulic structures during the construction of Novokarachayevskaya small hydropower plants on the Kuban River." E3S Web of Conferences 541 (2024): 05003. http://dx.doi.org/10.1051/e3sconf/202454105003.

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Many countries around the world have embraced small hydropower as a stable component of their energy sector. Small HPPs in Russia generate approximately 2.2 billion kWh/year, and experts estimate their technical potential to be around 382 billion kWh/year. Small hydropower is an excellent alternative to centralized power supply for remote and hard-to-reach areas and areas with limited transmission capacity of power lines. The construction of small hydropower plants will also allow efficient use of river water resources for water supply, fishery, transportation, etc. This paper examines the con

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Barbón, Arsenio, Francisco González-González, Luis Bayón, and Ramy Georgious. "Variable-Speed Operation of Micro-Hydropower Plants in Irrigation Infrastructure: An Energy and Cost Analysis." Applied Sciences 13, no. 24 (2023): 13096. http://dx.doi.org/10.3390/app132413096.

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Micro-hydropower plants have now become a way to decarbonise the power generation system. Older micro-hydropower plants generally operate at a fixed speed. When there is a lack of rainfall, these plants operate outside their design flow causing various problems (such as the occurrence of the phenomenon of cavitation, decreased turbine performance, and decreased operating hours), especially in micro-hydropower plants installed in irrigation infrastructure, where the priority for water use is crops. This study aims to carry out a comparative evaluation of several indicators (cavitation, investme

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Wu, Yang, Wang Xia, Jinwen Wang, et al. "Comparison of Procedures to Combine Operating Zones of Multiple Units into Plant-Based Operating Zones." Energies 16, no. 3 (2023): 1435. http://dx.doi.org/10.3390/en16031435.

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The hydropower unit commitment (HUC) is often indirectly considered by combining individual units in a hydropower plant into a plant-based generator to alleviate the dimensional difficulty in short-term hydropower scheduling of cascaded reservoirs. This work presents three procedures to combine operating zones of units in a hydropower plant into the plant-based operating zones, including an exhaustive method (M01) that enumerates all the possible combinations, a discrete method (M03) that investigates discrete values to see if they are in an operating zone, and a bound oriented method (M04) th

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Li, Jiqing, May Myat Moe Saw, Siyu Chen, and Hongjie Yu. "Short-Term Optimal Operation of Baluchaung II Hydropower Plant in Myanmar." Water 12, no. 2 (2020): 504. http://dx.doi.org/10.3390/w12020504.

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The short-term optimal operation model discussed in this paper uses the 2016 to 2018 daily and monthly data of Baluchaung II hydropower station to optimize power generation by minimizing water consumption effectively in order to get more revenue from optimal operation. In the first stage, run-off-river type Baluchaung II hydropower station data was applied in a mathematical model of equal micro-increment rate method for optimal hydropower generation flow distribution unit results. In the second stage, dynamic programming was used to get optimal hydropower generation unit distribution results.

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Thomsen, H. H., R. J. Braithwaite, A. Weidick, and O. B. Olesen. "Evaluation of hydropower potential for possible future industrial use, Nuuk area, West Greenland." Rapport Grønlands Geologiske Undersøgelse 159 (January 1, 1993): 59–62. http://dx.doi.org/10.34194/rapggu.v159.8209.

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The potential of Greenland hydropower came into focus folIowing the energy crisis in 1973 and the subsequent demand for exploitation of Greenland's own energy resources. Investigations have been made since the mid-1970s on the feasibility of hydropower in Greenland. At first, emphasis was put upon large, or regional, basins that could supply new energy-intensive industries (GTO, 1975). During the 1980s, the emphasis changed to the so-called 'town basins' where hydropower would be developed to supplement the existing energy in selected Greenland towns. The first hydropower plant is under constr

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Zhou, Tian, Shih-Chieh Kao, Wenwei Xu, Sudershan Gangrade, and Nathalie Voisin. "Impacts of climate change on subannual hydropower generation: a multi-model assessment of the United States federal hydropower plant." Environmental Research Letters 18, no. 3 (2023): 034009. http://dx.doi.org/10.1088/1748-9326/acb58d.

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Abstract Hydropower is a low-carbon emission renewable energy source that provides competitive and flexible electricity generation and is essential to the evolving power grid in the context of decarbonization. Assessing hydropower availability in a changing climate is technically challenging because there is a lack of consensus in the modeling representation of key dynamics across scales and processes. Focusing on 132 US federal hydropower plants, in this study we evaluate the compounded impact of climate and reservoir-hydropower models’ structural uncertainties on monthly hydropower projectio

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Punys, Petras, Gitana Vyčienė, Linas Jurevičius, and Algis Kvaraciejus. "Small Hydropower Assessment of Uganda Based on Multisource Geospatial Data." Water 15, no. 11 (2023): 2051. http://dx.doi.org/10.3390/w15112051.

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This article is based on the freely available data of the web-based hydropower map HYPOSO, which the authors compiled. Only the Ugandan river network and associated hydropower potential are highlighted here, using freely available geospatial datasets. The main objective was to assess Ugandan river and stream hydropower potential, compare it with previous assessments, and identify potential sites for small hydropower plant installation. GIS techniques were extensively used to analyse hydrological and other related geospatial data. The stream-reach power potential was determined based on channel

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Gong, Wenting, Pan Liu, Lei Cheng, He Li, and Zhikai Yang. "A varying comprehensive hydropower coefficient for medium/long-term operation of a single reservoir." Hydrology Research 51, no. 4 (2020): 686–98. http://dx.doi.org/10.2166/nh.2020.158.

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Abstract In medium/long-term reservoir operation, the hydropower output is calculated from k × q × h, where q is the power discharge, h is the water head, and k is the comprehensive hydropower coefficient. k indicates the conversion efficiency from water power to electricity, however, it is standard practice to use a constant k. We developed a novel method to derive the varying k based on observed big data. The operational frequencies of different units for time (multiple periods) and space (multiple units) were accounted based on the observed big data from each unit, and then weights were obt

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Fu, Jian, Ke Dong Tang, Xin Li Wen, Xue Mang Guo, and Ji Wei Zhao. "Analysis of Bulb Turbine Hydropower Station Plant with 3D Finite Element Method." Advanced Materials Research 243-249 (May 2011): 4539–43. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.4539.

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The overall structure of a hydropower plant with bulb tubular units is calculated and analysed in 6 kinds of load cases, and the maximum stresses in different directions and the positions where the maximum stresses appear in the hydropower plant structure. The conclusions show that the plant is safe and the design is reasonable.

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Molarius, Riitta, Jaana Keränen, Jari Schabel, and Nina Wessberg. "Creating a climate change risk assessment procedure: Hydropower plant case, Finland." Hydrology Research 41, no. 3-4 (2010): 282–94. http://dx.doi.org/10.2166/nh.2010.123.

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This paper examines the risk assessment procedure for a Nordic hydropower production process while taking climate change into account. It is evident that climate change poses new risks and concerns for hydropower companies, especially with regards to the high uncertainty that results from the ignorance of relationships between climate change and hydropower production (descriptive uncertainty). However, climate change may also provide opportunities. This paper focuses on the development of a risk assessment procedure to support the risk identification process as a means of reducing the descript

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Bortoni, Edson, Zulcy de Souza, Augusto Viana, et al. "The Benefits of Variable Speed Operation in Hydropower Plants Driven by Francis Turbines." Energies 12, no. 19 (2019): 3719. http://dx.doi.org/10.3390/en12193719.

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Climate change and environmental degradation has resulted in a reduction in water inflow at hydropower plants, as well as a decrease in reservoir levels. Existing hydropower plants suffer from water head reduction, mainly with decrease in efficiency of energy conversion in hydro turbines. This paper showcases the benefits of operations with variable speed in existing hydropower plants, when working at a lower water head than the rated one. Theoretical analyses and tests were performed in a special constructed laboratorial setup aiming at evaluating the amount of efficiency recovery with variab

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Masood, Tariq, Jamil Abdo, and Abdul Jabbar Khan. "New Technique to enhance Hybrid Renewable Energy Resources Operational Flexibility and Reliability." Energies and Quality Journal 2 (July 2024): 140–45. http://dx.doi.org/10.24084/eqj24.396.

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In this research four integrated strategies proposed and discussed for increasing the flexibility of hydropower operations. This initiative seeks to understand, enable, and improve the contribution of hydropower, including pumped storage hydropower (PSH) to reliability, resilience, and integration in the rapidly evolving U.S. electricity system. Hydropower’s flexibility is central to enhancing all these contributions. Four KFA (key focus areas) listed below to maintain and reliable operations. These KFAs will develop a suite of advancements that improve hydropower flexibility at multiple scale

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Keovongsa, Souttiphong, Keophousone Phonhalath, and Sengthavy Phommixay. "Carbon Footprint in Waste Sector of Hydropower Plant: A Case Study of Nam Theun 2 Hydropower Plant." American Journal of Climate Change 13, no. 02 (2024): 209–29. http://dx.doi.org/10.4236/ajcc.2024.132012.

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Zhilkashinova, Almira, Igor Ocheredko, Bagdat Azamatov, Mergen Nurbaev, Dmitry Dogadkin, and Madi Abilev. "Modeling and Comparison of Design Features of Pendulum and Radial Micro-Hydropower Plants Considering the Influence of Variable Design Parameters." Designs 8, no. 5 (2024): 101. http://dx.doi.org/10.3390/designs8050101.

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This article provides a comparative analysis of pendulum and radial micro-hydropower plants. The novelty of this study lies in the comparative analysis of units that are fundamentally different in design to achieve the most rational option for low-speed rivers. It has been established that a pendulum micro-hydropower plant has a high torque with relatively small dimensions but operates cyclically. At a diameter of 1 m and a blade area of 0.3 m2, the peak torque was 140 N·m. At the same time, the design is sensitive to the blade area and at 0.6 m2 and a lever length of 1.5 m, the torque reached

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Potnuru, Devendra, Lagudu Venkata Suresh Kumar, Bankuru Sonia, Yellapragada Venkata Pavan Kumar, Darsy John Pradeep, and Challa Pradeep Reddy. "Implementation of Harris Hawks optimization for load frequency control of hydropower plant." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 2 (2022): 1093. http://dx.doi.org/10.11591/ijpeds.v13.i2.pp1093-1100.

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Hydropower has been used for many years and is essential to meet the renewable energy ambition of the world at present. In a hydroelectric power plant, voltage and frequency control are required, but, the voltage control could be done on the load side. In the present paper, frequency control using Harris Hawks optimization (HHO) for improved performance has been presented. Simulations are performed on the dynamic model of the hydropower plant and results are compared with the conventional PID that is designed using the Ziegler-Nichols method. The efficacy of the proposed algorithm is also test

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Devendra, Potnuru, Venkata Suresh Kumar Lagudu, Sonia Bankuru, Venkata Pavan Kumar Yellapragada, John Pradeep Darsy, and Pradeep Reddy Challa. "Implementation of Harris Hawks optimization for load frequency control of hydropower plant." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 2 (2022): 1093–100. https://doi.org/10.11591/ijpeds.v13.i2.pp1093-1100.

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Hydropower has been used for many years and is essential to meet the renewable energy ambition of the world at present. In a hydroelectric power plant, voltage and frequency control are required, but, the voltage control could be done on the load side. In the present paper, frequency control using Harris Hawks optimization (HHO) for improved performance has been presented. Simulations are performed on the dynamic model of the hydropower plant and results are compared with the conventional PID that is designed using the Ziegler-Nichols method. The efficacy of the proposed algorithm is also test

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Raghu, N. Prajapati. "Identification of Condition and Status of Nepal's First Hydropower-Pharping Hydropower." Journal of Water Resource Research and Development 2, no. 3 (2020): 1–4. https://doi.org/10.5281/zenodo.3611009.

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As micro hydropower project is a small scale of project which is specially installed in remote hilly and mountainous areas to provide electricity for lighting facility and agro-processing. Pharping Hydropower is the first and foremost built infrastructure in the sector of hydroelectricity in the history of Nepal. The installed capacity of Pharping Hydropower Plant is 500 KW. Attempts were made to study the condition and status of Pharping Hydropower, present condition, generation capacity, and efforts were made to find appropriate management options to keep Pharping Hydropower sustainable. Thi

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Vytvytskyi, Liubomyr, and Bernt Lie. "OpenHPL for Modelling the Trollheim Hydropower Plant." Energies 12, no. 12 (2019): 2303. http://dx.doi.org/10.3390/en12122303.

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An increase of tightly integrated, renewable energy sources with highly varying production leads to a greater need for flexible hydropower plants to “balance” the intermittent production from these sources. From a systems perspective, the intermittency aspect constitutes a disturbance, while the tight integration leads to a multivariable systems, both of which causes increased challenges for good control. This instigates the need for a model based analysis and synthesis tool which can describe dynamic phenomena, supports multiphysics problems, and allows for immediate use in advanced control a

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Zhang, Hongxue, Lianpeng Zhang, Jianxia Chang, Yunyun Li, Ruihao Long, and Zhenxiang Xing. "Study on the Optimal Operation of a Hydropower Plant Group Based on the Stochastic Dynamic Programming with Consideration for Runoff Uncertainty." Water 14, no. 2 (2022): 220. http://dx.doi.org/10.3390/w14020220.

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Hydropower plant operation reorganizes the temporal and spatial distribution of water resources to promote the comprehensive utilization of water resources in the basin. However, a lot of uncertainties were brought to light concerning cascade hydropower plant operation with the introduction of the stochastic process of incoming runoff. Therefore, it is of guiding significance for the practice operation to investigate the stochastic operation of cascade hydropower plants while considering runoff uncertainty. The runoff simulation model was constructed by taking the cascade hydropower plants in

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Tomczyk, Paweł, Bernard Gałka, Mirosław Wiatkowski, Bogna Buta, and Łukasz Gruss. "Analysis of Spatial Distribution of Sediment Pollutants Accumulated in the Vicinity of a Small Hydropower Plant." Energies 14, no. 18 (2021): 5935. http://dx.doi.org/10.3390/en14185935.

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Hydropower plants affect the distribution and composition of sediments. The main aim of this study was to analyze the spatial distribution of sediment pollution in the vicinity of a small hydropower plant. The grain composition of the sediments, the content of heavy metals (Cu, Ni, Cr, Zn, Pb, and Cd) and select physicochemical properties (pH, electrolytic conductivity) were tested at 14 points upstream and downstream of the hydropower plant on the Ślęza River in Poland, as well as at reference point. The interactions between the tested parameters were also verified. The results of the conduct

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