Technical and Economic Analysis of Site Implementations of Gravitational Water Vortex Power Plant

Sedai, Ashish Kumar; Singh, Gurmeet; Dhakal, Rabin; Kumal, Binod Babu; Ghimire, Niskarsha; Yadav, Bharosh Kumar

doi:10.1109/icissgt52025.2021.00036

Cited by 3 publications

(3 citation statements)

References 8 publications

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“…Thirty-six installed GWVHT plants (systems) have been reported throughout the world, as summarised in Table 2, which is updated from [5,23,24]. These plants used heads in the range of 0.6 m to 3.2 m and operated at flow rates between 0.048 m 3 /s and 2.2 m 3 /s, which produced power outputs from 180 W to 20 kW at efficiencies in the range of 29% to 85%.…”

Section: Type Of Hydropower Plant Power Output Applicabilitymentioning

confidence: 99%

“…Table 2. Information on the reported 36 installed GWVHT systems thorought the world (updated from [5,18,23,24]). According to Rahman et al [32], GWVHT systems had an overall efficiency of less than 50% before 2017.…”

Section: Type Of Hydropower Plant Power Output Applicabilitymentioning

confidence: 99%

“…In the 39 parametric studies (including optimisation studies), 19 involve basins, 25 involve turbines, and 9 involve channels, while in the remaining non-parametric studies, only 9 involve basins, 12 involve turbines, and 3 involve channels. It should be noted that 23 publications did not involve (or provide information on) any of these three main components at all, which are mainly some case studies and/or feasibility studies [24,31,40,[50][51][52][53]59,60,82,91,94,96,97,101,104,105,109], validation studies [48,66], analytical models [41,67,95], and concept designs [64,104]. It should also be noted that some publications involve more than one main component [23,36,37,46,47,62,77,79,80,85,110] and the thesis [114] involves all three main components.…”

Section: Review Of the Past Studies On The Main Components Of Gwvht S...mentioning

confidence: 99%

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A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation

2023

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Hydropower is one of the most sustainable and desirable renewable energy sources. Gravitational water vortex hydro turbine (GWVHT) systems are one of the most suitable and sustainable renewable power generation devices for remote and rural areas, particularly in developing countries, owing to their small scales and low costs. There are various GWVHT systems with different configurations and various operating conditions. The main components of a GWVHT system include the inlet and outlet channels, a basin, and a turbine on which there are a number of blades attached. This paper presents a comprehensive review regarding the progress and development of various GWVHT systems, covering broad aspects of GWVHT systems, particularly various types of basins, inlet and outlet channels, turbines with blades which have different shapes, orientations, sizes, numbers, etc. The nature of the previous studies is summarised. The fundamentals of the vortex dynamics involved and the quantitative analysis of the performance of GWVHT systems are also described. The turbulence models and multiphase models used in some leading numerical simulation studies have been reviewed. As a case study, the implementation of a GWVHT system in PNG is presented. Based on the review of previous studies regarding GWVHT systems, the major issues and challenges are summarised, and some key topics are recommended for future research work on the performance of GWVHT systems.

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Section: Type Of Hydropower Plant Power Output Applicabilitymentioning

confidence: 99%

Section: Type Of Hydropower Plant Power Output Applicabilitymentioning

confidence: 99%

Section: Review Of the Past Studies On The Main Components Of Gwvht S...mentioning

confidence: 99%

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A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation

2023

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Renewable energy resource assessment for rural electrification: a case study in Nepal

Sedai,

Dhakal,

Koirala

et al. 2023

International Journal of Low-Carbon Technologies

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Renewable energy could mitigate remote area energy crises through rural electrification. Karnali province, one of the seven federal provinces of Nepal, is such a remote location and is most deprived in terms of electricity access. Around 67% of the population of the Karnali province is not connected to the national grid electricity supply. High altitude, mountainous topography makes it difficult to provide grid access to the region. This study summarizes the current electricity access status in Nepal and Karnali province specifically. The paper discusses the energy, economic and environmental (3E) analysis of different renewable energy resources like solar and wind energy for the grid-isolated region in Mugu and Jumla district of Karnali province. The study investigates the feasibility of a 200-kW solar power plant installation in Gamghadi, the capital of Mugu district and a 100-kW wind power plant installation in Tila village, Jumla district. The study suggests whether a similar installation of the distributed energy plant is a solution to mitigate the energy crisis problem in the high Himalayas regions, like Karnali province of Nepal. Based on the high-level resource assessment, the study estimates an investment cost ranging from 7 to 9 million USD would be necessary for the installation of such distributed solar PV and wind turbines.

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Optimization of the Weir as a Micro Hydro Power Plant in Bayang Nyalo Padang, West Sumatra

Yulianti,

Prasetyo

2024

SCBMEJ

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The objective of this research is to guarantee that the building of PLTMH Bayang Nyalo achieves maximum energy output and utilizes possible renewable energy sources in a sustainable and efficient manner. This research is a study that aims to describe and analyze data using a quantitative technique. The quantitative research technique is used when study data is in numerical form. Quantitative descriptive research is a method used to examine obtained data by providing a detailed and accurate description of the data. This study aims to determine the optimal value for designing small-scale hydropower plants (PLTMH). In order to do research for this thesis, the author investigates the number of studies performed in the Bead Dam Nyalo Kec. Nagari Bayang North, South Coast Regency West Sumatra. The PLTMH project aims to harness the water flow from the subterranean river, which has a discharge rate of 14.67 liters per second. The power plant is designed to have a power capacity of 623.32 kW, using a high discharge waterfall with an effective height of 5 m. Based on the examination of technological elements, we have reached conclusions: The civil component of this PLTMH includes a gravity concrete dam that is prepared for operation, while the electrical components consist of a Cross flow Turbine. The development of mechanical transmission is ongoing.

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Technical and Economic Analysis of Site Implementations of Gravitational Water Vortex Power Plant

Cited by 3 publications

References 8 publications

A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation

A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation

Renewable energy resource assessment for rural electrification: a case study in Nepal

Optimization of the Weir as a Micro Hydro Power Plant in Bayang Nyalo Padang, West Sumatra

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