Challenges of Flexible and Reliable Electricity Supply for Hydroelectric Generating Systems
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydraulics and Hydrodynamics".
Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 6517
Special Issue Editors
Interests: hydroelectric generating system; pumping station system; internal flow; wind/solar/pumped storage system
Interests: wind/solar/pumped storage system; hybrid energy systems; load flexibility; risk assessment; optimizes power supply
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Enabling the reliability and flexibility of hydroelectric generating systems (HGSs) is essential for suppressing the power fluctuation of intermittent renewable energy resources. The volatile, intermittent and stochastic characteristics of multi-energy resources such as wind and solar power, as well as incompatible scheduling strategies and peak load compensation mechanisms, lead to weak power consumption from the power grid. Hydropower has shown a timely synergy with other renewable energy sources due to its ability to cope with the supply peak load and variability by changing its operating conditions. The HGS may thereby frequently experience the significant challenge of transition between multiple operating conditions and off-design operating conditions to meet the requirement of the district dispatch center.
At the fundamental level, we focus on three tasks to guide and further advance the flexibility and reliability of HGSs. The first task relates to the modeling of HGS components and demonstrates how advanced modeling theories and methods have accelerated the construction of these components. The second task focuses on the research status and commercial applications and identifies their challenges when operating in transient or part load processes. The third task identifies risk regions from the perspectives of equipment aging, energy policy and environment and natural resources and puts forward major research fields that can take action. The research achievements provide a guidance for the flexibility and reliability of HGSs.
Prof. Dr. Diyi Chen
Dr. Beibei Xu
Guest Editors
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Keywords
- hydroelectric generating systems
- wind/solar/pumped storage system
- load flexibility
- risk assessment
- optimized power supply
- frequency control
- transient computation for complex diversion system
- cavitation and verification
- seals, bearings and rotor dynamics analysis
- operation, monitoring and controls
