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Calculation and Analysis of Cat Claw Load Distribution Deviation Hazard and Cross Effect of Steam Turbine Cylinder

DOI: 10.12677/DSC.2023.121003, PP. 21-27

Keywords: 汽轮机,汽缸,猫爪,负荷分配
Steam Turbine
, Cylinder, Cat’s Claw, Load Distribution

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Large steam turbine cylinder cat claw load distribution test is an important process, which runs through the whole process of steam turbine installation. Due to the superposition of comprehensive factors in operation, it is also necessary to conduct regular load distribution tests and adjustments for the units in service. The traditional method of adjustment calculation ignores the cross effect between cat’s claws and relies too much on personal experience. This paper expounds the hazards of excessive deviation of cat’s claw load distribution, provides a failure mode for steam turbines, and proposes a new cat’s claw load adjustment calculation method, which greatly improves the adjustment accuracy and also provides the possibility for computer program operation. It has practical reference and guiding significance for the improvement of the cat’s claw load distribution test process.


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