Shenyang Getai Hydropower Equipment Co., Ltd.
Add: No.205, honghui Street, Yuhong district, Shenyang city, Liaoning province,China
Contact person: Ms. Lisa Sha
In view of the current large-scale hydropower station at home and abroad in the operation of a serious impact on the unit safety and reliability of the Pelton Turbine Runner "crack" problem, recently, my company specifically sent a strong will be on-site testing and research, and achieved initial results The
In the past, large-scale hydropower station units at home and abroad during the operation of the Pelton Turbine Runner cracks occurred in recent years, more frequent, seriously affecting the safety and reliability of the unit, a domestic and foreign water turbine manufacturers and hydropower applications A big problem. However, due to the accumulation of research in this area is relatively shallow, foreign rare system reports, therefore, the Pelton Turbine Runner crack prevention and management, has become a domestic and foreign manufacturers of water turbine manufacturing and application of a focus.
The reliability of large water Pelton Turbine Runner is one of the key issues in turbine design and manufacture. Therefore, the study of blade crack mechanism and preventive measures has become an important technical problem that must be solved in the design and manufacture of the runner. As one of the representative domestic and foreign manufacturers of water turbines, Dongfang Electric Co., Ltd. last year sent a generous, the Dachaoshan power station for a period of three months of the wheel dynamic stress real machine test, the wheel in the variable speed, Variable voltage, variable load, load rejection and cylinder valve moving water and other different operating conditions under the static and dynamic stress for a large number of tests. Through the test, understand and master the wheel dynamic stress size and distribution law, made a lot of first-hand data. At the same time, in order to further carry out large-scale water Pelton Turbine Runner reliability and anti-crack research, provides a valuable technical information and scientific basis.
Dajingshan power station real machine test success, marking the Dongfang motor in the real motor dynamic test technology has made the industry leading edge in the design and manufacture of large turbine wheel reached the world advanced level.
Most importantly, the results of the study, but also for the next step in the Three Gorges right bank large-scale mixed-flow units and other large units laid a rare technical foundation.
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