Results 61 to 70 of about 440 (177)

Integrated risk analysis for the cascade of system diversion

open access: yesShui 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

Coordination of Hydropower Generation and Export Considering River Flow Evolution Process of Cascade Hydropower Systems

open access: yesEnergies
Focusing the over simplification of existing models in simulating river flow evolution process and lack of coordination of hydropower generation and export, this paper proposes a hydropower generation and export coordinated optimal operation model that ...
Pai Li, Hui Lu, Lu Nan, Jiayi Liu
doaj   +1 more source

Analysis of Reservoir Regulation Capacity Based on Cascade POA Optimal Scheduling Model

open access: yesRenmin 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   +3 more
doaj  

Optimizing Automatic Voltage Control Collaborative Responses in Chain-Structured Cascade Hydroelectric Power Plants Using Sensitivity Analysis

open access: yesEnergies
Southwestern China has abundant hydropower networks, wherein neighboring cascade hydropower stations within the same river basin are typically connected to the power system in a chain-structured configuration.
Li Zhang   +7 more
doaj   +1 more source

Optimized Daily Total Load Allocation of Cascade Hydropower Stations Based on Nested Optimization Mechanism

open access: yes工程科学与技术, 2017
:Power and energy balancing is an important measure for electric power dispatching department to balance benefits and allocate generation scheduling of power stations.Due to the mutual influences,cascade hydropower stations are often taken as a group in ...
李基栋   +4 more
doaj  

Enhancing Pumped Hydro Storage Regulation Through Adaptive Initial Reservoir Capacity in Multistage Stochastic Coordinated Planning

open access: yesEnergies
Hybrid pumped hydro storage plants, by integrating pump stations between cascade hydropower stations, have overcome the challenges associated with site selection and construction of pure pumped hydro storage systems, thereby becoming the optimal large ...
Chao Chen   +4 more
doaj   +1 more source

The optimal equilibrium operation between power generation and ecology of Qingjiang cascade hydropower stations

open access: yesMATEC Web of Conferences, 2018
Ecological operation of cascade hydropower stations is one of the most important methods for the ecological restoration of a river system. In order to balance the benefits between power generation and ecology of Qingjiang cascade hydropower station, an ...
Li Yinghai   +4 more
doaj   +1 more source

An Optimization Method for Day-Ahead Generation Interval of Cascade Hydropower Adapting to Multi-Source Coordinated Scheduling Requirements

open access: yesEnergies
Multi-source coordinated scheduling has become the predominant operational paradigm in power systems. However, substantial differences among hydropower, thermal power, wind power, and photovoltaic sources in terms of response speed, regulation capability,
Shushan Li   +7 more
doaj   +1 more source

Short-term peak shaving model of cascade hybrid pumped storage hydropower station retrofitted from conventional hydropower

open access: yesInternational Journal of Electrical Power & Energy Systems
The integration of pumped storage units with conventional cascade hydropower to form a cascade hybrid pumped storage hydropower station (CHPHPS) is considered one of the effective approaches to expedite the development of pumped storage.
Bin Luo   +4 more
doaj   +1 more source

Short-term Optimal Scheduling Model for Hydropower Stations Considering Peak Shaving of Local and HVDC Receiving Power Grids

open access: yesRenmin Zhujiang
In the face of the increasingly severe peak shaving pressure on both sending and receiving power grids of the high voltage direct current (HVDC) of large-scale hydropower stations,a short-term optimal scheduling model that takes into account peak shaving
ZHOU Binbin   +5 more
doaj  

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