| 凝汽器压力变化影响机组功率增量计算的研究 |
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| 引用本文： | 董丽娟,张润盘,张春发.凝汽器压力变化影响机组功率增量计算的研究[J].华北电力大学学报,2007,34(1):70-74. |
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| 作者姓名： | 董丽娟 张润盘 张春发 |
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| 作者单位： | 华北电力大学,能源与动力工程学院,河北,保定,071003 |
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| 摘 要： | 以汽轮机功率方程为基础,根据汽轮机变工况原理和其参数之间的变化关系,将背压变化的全过程分为亚临界工况和超临界工况,对末级进行分析计算,推导出功率增量的计算公式,确定出凝汽器真空修正曲线,有较高的精确度。
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| 关 键 词： | 凝汽器压力 机组功率增量 影响 修正曲线 |
| 文章编号： | 1007-2691(2007)01-0070-04 |
| 修稿时间： | 2006年6月30日 |
Effect of condenser pressure variation on unit power increment calculation |
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| DONG Li-juan,ZHANG Run-pan,ZHANG Chun-fa.Effect of condenser pressure variation on unit power increment calculation[J].Journal of North China Electric Power University,2007,34(1):70-74. |
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| Authors: | DONG Li-juan ZHANG Run-pan ZHANG Chun-fa |
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| Abstract: | Based on turbine power equation and relationship between power and condition parameters,the processof back pressure variation is classified as subcritical and supercritical conditions.The effect of back pressure on thefinal stage is studied.The formula of power variation with back pressure is established to improve the accuracy ofcalculation.The fair curve of condenser vacuum is determined. |
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| Keywords: | condenser pressure unit power increment effect fair curve |
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