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为了提高低压缸效率,降低热耗,白马电厂21号汽轮机更换了低压缸1～5级动、静叶片,其中末级叶片为新研制的660mm长叶片。对此长叶片进行了电厂动应力实测。本文介绍了该次测试的方法、过程和试验结果及分析。
In order to improve the efficiency of low-pressure cylinder and reduce heat consumption, No. 21 steam turbine of Baima Power Plant replaced 1 ~ 5-stage movable and stationary vanes of low-pressure cylinder, of which the last-stage vanes were newly developed 660mm long vanes. This long blade has been measured by power plant dynamic stress. This article describes the test method, process and test results and analysis.