Results 161 to 170 of about 465 (205)

Optimize Dispatchers of Cascade Hydropower Station Based on IS-NGA

2013 Third International Conference on Intelligent System Design and Engineering Applications, 2013
Because the short-time optimized dispatcher question has some characteristics such as high dimension, non-protruding, dispersed, non-linear etc., so need one algorithm with high calculation precise and convergence speed to solve this question. This paper put forward one improve self-adaptation niche genetic algorithm, its characteristic mainly is ...
Zhao Tinghong, Man Zibin, Wang Yu, Wang Zhijun   +3 more
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Stability analysis of cascade hydro-photovoltaic complementation power system in cascade hydropower station

Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 2022
Licheng Zhou
exaly   +2 more sources

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

Water (Switzerland), 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, Guo Huang
exaly   +2 more sources

Evaluating the performance of seasonal pumped hydro storage coordinated operation with cascade hydropower station integrating variable renewable energy

Renewable Energy
Seasonal pumped hydro storage (SPHS) presents a promising solution for China's evolving power systems dominated by variable renewable energy (VRE) sources with pronounced seasonal variations.
Mengjiao He, Julian David Hunt, Ziwen Zhao   +2 more
exaly   +2 more sources

Evaluation on operation management of cascade hydropower stations

2011 IEEE International Conference on Industrial Engineering and Engineering Management, 2011
An evaluation framework for joint operation of cascade hydropower stations was developed in this study. This framework is helpful to evaluate the operation performance of the cascade hydropower stations in order to improve the operation level. The power benefit of the cascade hydropower stations is chosen to be the evaluation object for multipurpose ...
Y. Zheng, X. D. Fu, Jia-Hua Wei, Xiang Li   +3 more
openaire   +1 more source

Research of Compensating Weights of Cascade Hydropower Stations

Applied Mechanics and Materials, 2012
The compensation benefits distribution weights model of cascade hydropower stations has been proposed. The method of compensation weights calculation has been discussed. The subjective weights in the station indexes are calculated by analytic hierarchy process and the objective weights by variance coefficient and the combination weights by Topsis.
Gan Yi Wang, Xiang Lin Wu, Hong Sheng Song   +2 more
openaire   +1 more source

Optimal Sequencing of Development for Hydropower Stations in Cascade

Journal of Water Resources Planning and Management, 1989
The sequencing problem for hydropower station development is a multi-dimensional problem involving space-time decisions. In this paper, a mathematical model that uses a combination of dynamic programming and mixed-integer programming is developed, and an efficient algorithm for its use in optimal sequencing problems is presented.
Yonghua Wan, Shiyun Huang, Miguel A. Marino   +2 more
openaire   +1 more source

Regulation capability of small cascade hydropower stations for photovoltaic generation

Journal of Renewable and Sustainable Energy, 2020
The stochasticity of photovoltaic (PV) generation output makes it necessary to smooth the output using other flexible power sources to realize the scale development of PV power. Small cascade hydropower stations (SCHSs) are also widely distributed in space, like PV generation.
Yanmei Zhu, Shijun Chen, Guangwen Ma, Weibin Huang, Xiaoyan Han, Lijie Ding   +5 more
openaire   +1 more source

Optimal regulation control system for cascade hydropower stations

2009 International Conference on Sustainable Power Generation and Supply, 2009
A complex optimal regulation control system with three-layer structure is developed for cascade hydropower stations, including from top to bottom optimal regulation control layer, automatic water regime measuring and generation supervisor layer, economical dispatching control and automatic generation control layer.
null Rui Jun, null Chen Shou-lun
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Cumulative effects of cascade hydropower stations on total dissolved gas supersaturation

Environmental Science and Pollution Research, 2018
Elevated levels of total dissolved gas (TDG) may occur downstream of dams during the spill process. These high levels would increase the incidence of gas bubble disease in fish and cause severe environmental impacts. With increasing numbers of cascade hydropower stations being built or planned, the cumulative effects of TDG supersaturation are becoming
Qian, Ma, Ran, Li, Jingjie, Feng, Jingying, Lu, Qin, Zhou   +4 more
openaire   +2 more sources