Results 71 to 80 of about 597 (201)

Impact Analysis of Time-scale on Accuracy Rating of Cascade Generation Dispatch Model

工程科学与技术, 2017
:With the increasing operation of hydropower stations, a refined generation dispatch model becomes more urgently needed for the precise control of cascade hydropower stations under deterministic runoff, such as rules extraction by simulation operation ...
Wang Chao, Zhang Rui, Zhang Cheng, Lu Mengtian   +3 more
doaj  

Adaptation of Cascade Hydropower Station Scheduling on A Headwater Stream of the Yangtze River under Changing Climate Conditions

, 2017
Cascade hydropower stations are effective in water resource utilization, regional water allocation, and flood risk management. Under changing climate conditions, water resources would experience complex temporal and spatial changes, which may lead to ...
Qian Lin, Yue Huang, Kai An, Gong Li, Guo Huang, Ming Zhai, Le Zhu   +6 more
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Integrated risk analysis for the cascade of system diversion

Shui kexue jinzhan, 2012
For the cascade hydropower plant development it is important to conduct a risk analysis on the cascade system of construction diversion,which is composed of two adjacent hydropower stations undergoing synchronous construction.Based on the risk assessment
ZHANG Chao, HU Zhi-gen, LIU Quan
doaj   +1 more source

Three Gorges Cascade Hydropower System Joint Simulative Optimal Operation Research in Power Market

, 2011
The short-term joint optimal operation simulation of Three Gorges cascade hydropower system aiming at maximum power generation benefit is proposed. And a new method for optimizing cascade hydropower station based on Adaptive Genetic Algorithm (AGA) with ...
Yong Huai Hao, Ran Zhou, Guo Shuai Liu, Jiao Zheng, Kan Yang   +4 more
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Optimal Dispatching Rules for Peak Shaving of Cascaded Hydropower Stations in Response to Large-Scale New Energy Integration

Fully tapping into the load regulation capacity of cascade hydropower stations on a river, in coordination with wind and photovoltaic power stations, can effectively suppress power fluctuations in new energy and promote grid integration and the ...
Qiang Liu, Xin Zhang, Lingjun Xu, Zhanxing Xu, Li Mo, Yongchuan Zhang   +5 more
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Joint Optimal Use of Sluices of a Group of Cascade Hydropower Stations under High-Intensity Peak Shaving and Frequency Regulation

With the large-scale development and grid connection of renewable energy, hydropower faces more intense and frequent peak shaving and frequency regulation, giving rise to water level fluctuations and frequently forced sluice adjustments at hydropower ...
Shiyu Mou, Jia Li, Xin Wen, Tian Qu, Yu Liu   +4 more
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Influence of Power Operations of Cascade Hydropower Stations under Climate Change and Human Activities and Revised Optimal Operation Strategies: A Case Study in the Upper Han River, China

, 2019
Climate change and human activities are two driving factors that affect the hydrological cycle of watersheds and water resource evolution. As a pivotal input to hydropower stations, changes in runoff processes may reduce the effectiveness of existing ...
Tao Bai, Lianzhou Wu, Pengfei Mu, Qiang Huang, Ming Zhang   +4 more
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Analysis of Reservoir Regulation Capacity Based on Cascade POA Optimal Scheduling Model

Renmin Zhujiang, 2021
Due to the completion of the cascade reservoirs,the hydrological process of the basin has changed significantly,and the scheduling of the existing reservoirs has changed.The assessment of the regulation capacity of the existing reservoirs will help to re-
HOU Jiaqi, CHEN Cong, TIAN Yuanyang, XIONG Yicheng   +3 more
doaj  

Impact of Daily Operations of Cascade Hydropower Stations on Reservoir Flow Fluctuation Characteristics

The daily operation of cascade hydropower stations induces periodic water level fluctuations (WLFs) that propagate as gravity waves, significantly affecting the hydrodynamics of reservoirs.
Jingying Lu, Yun Deng, Jia Zhu, Hao Fan, Min Chen   +4 more
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Cumulative Environmental Effects of Hydropower Stations Based on the Water Footprint Method—Yalong River Basin, China

, 2019
The construction of hydropower stations is not without controversy as they have a certain degree of impact on the ecological environment. Moreover, the water footprint and its cumulative effects on the environment (The relationship between the degree of ...
Lei Yu, Shiqiang Wu, Jiangyu Dai, Peng Xu, Benyou Jia, Fangfang Wang, Xiufeng Wu, Liming Ma   +7 more
core   +1 more source