Results 51 to 60 of about 193,983 (240)

A spatiotemporal atlas of hydropower in Africa for energy modelling purposes [version 3; peer review: 2 approved, 1 approved with reservations]

open access: yesOpen Research Europe, 2022
The modelling of electricity systems with substantial shares of renewable resources, such as solar power, wind power and hydropower, requires datasets on renewable resource profiles with high spatiotemporal resolution to be made available to the energy ...
Albertine Devillers   +5 more
doaj   +1 more source

Research on Risk Evaluation of Hydropower Engineering EPC Project Based on Improved Fuzzy Evidence Reasoning Model

open access: yesSystems, 2023
As clean renewable energy with strong advantages, hydropower plays an extremely important role in promoting green development and energy allocation patterns.
Qian Li   +5 more
doaj   +1 more source

Hydropower expansion in eco-sensitive river basins under global energy-economic change

open access: yesNature Sustainability
Vast hydropower resources remain untapped globally, the deployment of which could provide energy-economic benefits but negatively impact riverine ecosystems.
A. Chowdhury   +7 more
semanticscholar   +1 more source

Comprehensive Effects of Operation of Pumped-Storage Hydropower Plants on Downstream Conventional Hydropower Plants [PDF]

open access: yes长江科学院院报
[Objective] Following the construction of pumped-storage hydropower plant upstream of conventional hydropower plant, its operation alters the original natural inflow process, causing increased frequency of water level fluctuations and intraday flow ...
ZHU De-kang, QIN Rui, CHENG Xiang, GUO Xu-ye
doaj   +1 more source

Energy crisis in Brazil: Impact of hydropower reservoir level on the river flow

open access: yesEnergy, 2022
Water management strategies can have considerable impacts on the regional climate and hydrology. It is usually the case that the construction and operation of hydropower reduce the river flow downstream due to the increase in evaporation.
J. Hunt   +11 more
semanticscholar   +1 more source

Research and implementation of frequency control strategy of islanded microgrids rich in grid-connected small hydropower

open access: yesEnergy Reports, 2023
Due to the weak network architecture of mountainous power grid rich in grid-connected small hydropower, once the small hydropower units operate independently as a network when the upper power grid fails and loses power, the reliability of the power ...
Gan Wang   +6 more
doaj   +1 more source

Hydropower Operation Optimization Using Machine Learning: A Systematic Review

open access: yesApplied Informatics, 2022
The optimal dispatch of hydropower plants consists of the challenge of taking advantage of both available head and river flows. Despite the objective of delivering the maximum power to the grid, some variables are uncertain, dynamic, non-linear, and non ...
J. Bernardes   +9 more
semanticscholar   +1 more source

Investigation of New Hampshire hydropower potential [PDF]

open access: yes, 2012
The popularity of green and renewable energy has risen sharply in recent years, and hydropower has consistently been the most common form of renewable energy in both the US and the state of New Hampshire.
Murray, Maxwell
core   +1 more source

A new, more efficient waterwheel design for very-low-head hydropower schemes [PDF]

open access: yes, 2018
Very-low-head hydropower constitutes a large untapped renewable energy source, estimated at 1 GW in the UK alone. A new type of low-impact waterwheel has been developed and tested at Abertay University in Scotland to improve the economic viability of ...
Carruthers, David Ross   +2 more
core   +2 more sources

A varying comprehensive hydropower coefficient for medium/long-term operation of a single reservoir

open access: yesHydrology Research, 2020
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
Wenting Gong   +4 more
doaj   +1 more source

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