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Turbine governing and surge-tank stability

 

作者: Fu-Meng Ye,   Xiao-Liang Yang,   Shu-Ren Wang,  

 

期刊: Journal of Hydraulic Research  (Taylor Available online 1992)
卷期: Volume 30, issue 1  

页码: 65-75

 

ISSN:0022-1686

 

年代: 1992

 

DOI:10.1080/00221689209498947

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

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.

 

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