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再热汽轮机性能试验系统修正的处理方法 被引量:1

Methods of System Correction for Performance Test of Reheat Steam Turbine
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摘要 介绍了基于ASME-PTC6汽轮机性能试验规程系统修正的处理方法,研究了再热汽轮机系统修正两种方法的特点,并讨论了处理汽轮机内效率不变时的缸效率法和级组效率法的各自特点和优劣。通过315 MW和600 MW机组汽轮机性能试验计算实例,对系统修正处理方法进行了比较和分析,并指出了影响系统修正的因素及其处理方法。根据性能试验时的实际情况,得出系统修正时采用试验膨胀线法,并在处理热力过程线时使用汽轮机缸效率法的结论。 The methods of system correction based on ASME - PTC6 Performance Test Code of Steam Turbines are introduced, and the characteristics of both methods of system correction on reheat steam turbines are studied. The features of cylinder effi- ciency and unit efficiency methods while the turbine efficiency is unchanged are discussed respectively as well as their advantages and disadvantages. Through the calculation examples of performance test on 315 MW and 600 MW steam turbine units, the methods of system correction are compared and analyzed, and the influencing factors for system correction and its treatments are pointed out. According to the actual situation of performance test, it is concluded that the test expansion line method is adopted for system correction, and the cylinder efficiency method is adopted for the treatment of thermodynamic process line.
作者 张志恒 孙戈
出处 《四川电力技术》 2015年第4期91-94,共4页 Sichuan Electric Power Technology
关键词 汽轮机 性能试验 系统修正 steam turbine performance test system correction
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参考文献1

  • 1ASME PTC -2004. Steam Turbines Performance Test Codes [ S ]. New York: The American Society of Me- chanical Engineers, 2005.

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