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    • 7. 发明专利
    • Control system for axial flow turbine
    • 轴流式涡轮机控制系统
    • JP2013249841A
    • 2013-12-12
    • JP2013114084
    • 2013-05-30
    • Alstom Technology Ltdアルストム テクノロジー リミテッドALSTOM Technology Ltd
    • KUBEL SIGURDREITER WILHELM
    • F01D5/18F01D25/00F01D25/12F01D25/24
    • F01D17/02F01D21/003F05D2260/80F05D2260/97F05D2270/808F05D2300/603G01K13/08
    • PROBLEM TO BE SOLVED: To provide a turbine that overcomes a problem of suboptimal control of adverse effects of windage on a last stage blade distal region resulting in a reduced blade life.SOLUTION: There are provided an axial flow turbine 10 and a method of operating the same. The turbine includes a last stage of rotating blades 12 located near a downstream end of the turbine 10 having a distal region 19 in an end of an airfoil 13 of the blades 12. A monitoring control system includes at least one sensor 22 in the distal region 19 of at least one last stage blade 12 for measuring at least one physical property of the airfoil 13, and a control element 24 capable of influencing at least one physical property of the distal region 19. The control system further includes a controller 20 for adjusting the control element 24 based on at least a measured physical property, and thus at least one physical property is controlled.
    • 要解决的问题:提供一种涡轮机,其克服了对最终级叶片远侧区域的风阻的不利影响的次佳控制的问题,从而减少了叶片寿命。解决方案:提供了一种轴流涡轮机10和操作方法 一样。 涡轮机包括位于涡轮机10的下游端附近的旋转叶片12的最后一级,叶片12的翼型件13的端部具有远端区域19.监视控制系统包括远端区域中的至少一个传感器22 用于测量翼型件13的至少一种物理特性的至少一个最后级叶片12的控制元件24以及能够影响远端区域19的至少一种物理特性的控制元件24.控制系统还包括用于调节 控制元件24基于至少一个测量的物理性质,从而控制至少一个物理特性。