Results 81 to 90 of about 5,477 (183)

Multi-Objective Reservoir Optimization Balancing Energy Generation and Firm Power

Energies, 2015
To maximize annual power generation and to improve firm power are important but competing goals for hydropower stations. The firm power output is decisive for the installed capacity in design, and represents the reliability of the power generation when ...
Fang-Fang Li, Jun Qiu
doaj   +1 more source

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

MATEC 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, Lin Wei, Guo Jiali, Xia Qingqing, Li Wang   +4 more
doaj   +1 more source

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

Energies
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, Shan Huang, Yue Yin, Zifan Tang, Qiang Shuai   +4 more
doaj   +1 more source

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

Energies
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, Jie Yang, Jun Wang, Lening Wang, Haiming Niu, Xiaobing Liu, Simon X. Yang, Kun Yang   +7 more
doaj   +1 more source

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

Energies
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, Chonghao Li, Huijun Wu, Zhipeng Zhao, Huan Wang, Yongxi Kang, Chuntian Cheng, Changhong Li   +7 more
doaj   +1 more source

Hydro/Battery Hybrid Systems for frequency regulation [PDF]

, 2019
An innovative Hydro/Battery Hybrid System (HBHS), composed of a hydropower plant (HPP) and a Battery Energy Storage System (BESS) is proposed to provide frequency regulation services in the Nordic Power System (NPS).
Laban, Danilo
core   +1 more source

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

International 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, Xinyu Liu, Yongcan Chen, Can Zhou, Xin Long   +4 more
doaj   +1 more source

The Three Gorges Dam Project in China : history and consequences [PDF]

, 2006
Després de diverses dècades de planificació i deliberacions, l’embassament de les Tres Gorges (Sanxia Daba,), al curs alt del riu Iang-Tsé (Xina Central), és a punt de completar-se.
Ponseti, Marta, López-Pujol, Jordi
core  

Role of hydraulic residence time in shaping phytoplankton community assembly in the upper yellow river cascade reservoirs

Frontiers in Environmental Science
Introduction: Cascade hydropower development significantly alters the structure and function of river ecosystems. Phytoplankton, as primary producers, are highly sensitive to environmental changes, and their diversity and community structure reflect the ...
Qiyong Luo, Qiyong Luo, Linyu Zhu, Daikui Li, Zhigang Zu, Zhigang Zu, Kebin Chen, Jia Wang, Yujun Yi, Yujun Yi, Yujun Yi   +10 more
doaj   +1 more source

Planning of Cascade Hydropower Stations with the Consideration of Long-Term Operations under Uncertainties

Complexity, 2019
In the location-related planning of a hydropower system, the consideration of future operations under uncertainties can make the decisions sustainable and robust.
Changjun Wang, Shutong Chen
doaj   +1 more source