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Turbine governing and surge-tank stability
- Ye, F.M. (author)
-
- Yang, James (author)
- KTH,Vattendragsteknik,Vattenbyggnadshydraulik
- Wang, S. R. (author)
- (creator_code:org_t)
- 1992
- 1992
- English.
- In: Journal of Hydraulic Research. - 0022-1686 .- 1814-2079. ; 30:1
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The stability of water-surface oscillations is investigated for the case of a tailrace surge chamber shared by two or more generating units in a hydroelectric power plant. Two kinds of turbine governing are applied for the condition of small-amplitude surge perturbations. Critical stability conditions for the surge chamber are derived by linearizing the ordinary differential equations describing the lumped system. As compared with the result achieved by previous researchers, the common surge chamber requires smaller horizontal crosssection for surge stability. A combination of the proposed manners of governing can be utilized in certain power plants in order to achieve an economical design of the surge chambers.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering (hsv//eng)
Keyword
- surge tank
- stability
- turbine governing
- small oscillations
- lumped system
Publication and Content Type
- ref (subject category)
- art (subject category)
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