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《Hongshui River》 2014-01
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Exploration on Defect Treatment of Two-section Close Valve for Hydro-turbine Governor

XU Gang;LongTan Hydropower Development Co., Ltd.;  
The water hammer pressure and rotating speed are controlled by the regulating time and regulation rules of guide vanes, which are realized by hydro-turbine governor or runaway governor and two-section close valve when the characteristics of pressurized water diversion system and hydro-generator unit are determined. The paper introduces the main design features of two-section close valve for hydro-turbine governor, analyzes the reasons of valve defects and proposes corresponding structure improvement schemes.
【CateGory Index】: TV734
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