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A Review of the Transient Process and Control for a Hydropower Station with a Super Long Headrace Tunnel

Energies (Basel), 2018-11, Vol.11 (11), p.2994 [Peer Reviewed Journal]

2018. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1996-1073 ;EISSN: 1996-1073 ;DOI: 10.3390/en11112994

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Title:
A Review of the Transient Process and Control for a Hydropower Station with a Super Long Headrace Tunnel
Author: Guo, Wencheng ; Zhu, Daoyi
Subjects: Alternative energy sources ; Design optimization ; Drilling & boring machinery ; Electricity ; Electricity distribution ; Energy resources ; Hydraulic design ; hydraulic design optimization ; Hydraulic gradient ; Hydraulic turbines ; Hydraulics ; hydro-turbine governing system ; Hydroelectric power ; Hydroelectric power stations ; hydropower station with super long headrace tunnel ; International conferences ; Maintenance management ; Nonlinearity ; Renewable resources ; surge tank ; Surge tanks ; Systems analysis ; transient process ; Trends ; Tunnels ; Turbines ; unit operation control ; Water hammer ; Water levels ; Water shortages ; Wave propagation
Is Part Of: Energies (Basel), 2018-11, Vol.11 (11), p.2994
Description: The hydropower station with a super long headrace tunnel is a significant development type for hydropower energy. By constructing a super long headrace tunnel, the huge natural water fall head can be utilized to generate more electricity. With the development of hydropower energy, a hydropower station with a super long headrace tunnel becomes more and more competitive. Compared with a hydropower station with a short headrace tunnel, the transient process and control for a hydropower station with a super long headrace tunnel is much more complicated and becomes an intractable challenge. It is well known that the transient process and control is the basis of the design and operation of a hydropower station. To overcome the challenge of the transient process and control, much research has been carried out. This paper provides a systematic review on the latest research progress of the transient process and control for hydropower stations with a super long headrace tunnel. Firstly, two key issues for the transient process and control, i.e., hydraulic design optimization of the surge tank and operation control of unit, are illuminated. Secondly, for both single surge tanks and surge tanks with special types or combinations, the hydraulic design optimization methods are described. The most disadvantageous design and advantageous operation of surge tanks under combined operating conditions are discussed. Thirdly, the stability and regulation quality of the hydro-turbine governing system under isolated and grid-connected operation conditions are presented. Finally, some trends and recommendations for future research directions are made. A research thought for establishing the complete theory and application system of the transient process and control for hydropower stations with a super long headrace tunnel from the perspective of multi-slice and multi-scale is proposed.
Publisher: Basel: MDPI AG
Language: English
Identifier: ISSN: 1996-1073
EISSN: 1996-1073
DOI: 10.3390/en11112994
Source: Geneva Foundation Free Medical Journals at publisher websites
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central
DOAJ Directory of Open Access Journals

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A Review of the Transient Process and Control for a Hydropower Station with a Super Long Headrace Tunnel

2018. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1996-1073 ;EISSN: 1996-1073 ;DOI: 10.3390/en11112994

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