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前言 D_(10)、D_(08)是东方电机厂为200米水头段水轮机研制的新转轮。为探索将来用于二滩等大型电站的可能性,在云南大寨电站各安装了一台真机,做中间试验。经过一年多的运行后,对该两种机型的效率,汽蚀等性能进行了现场测试。本文就汽蚀观测的结果,着重从运行工况进行了分析,并深入探讨了破坏机理,提出了一些看法和建议。
Preface D_ (10), D_ (08) is a new runner developed by Dongfang Electric Works for the 200m water head turbine. In order to explore the future possibility of using such large-scale power plants as Ertan, a real machine was installed at Dazhai Hydropower Station in Yunnan Province, making an intermediate test. After more than a year of operation, the two models of the efficiency, cavitation and other performance field tests. In this paper, the results of cavitation observation, focusing on the operating conditions were analyzed, and in-depth discussion of the failure mechanism, put forward some views and suggestions.