燃气轮机发电机组可靠性评价指标的计算公式
史进渊,杨 宇,陈 健,陈 匀,王卫国
(上海发电设备成套设计研究所,上海200240)
摘 要: 介绍了燃气轮机及联合循环发电机组可靠性评价指标的计算公式,给出了燃气轮机及联合循环发电机组24 个通用可靠性评价指标和4 个特有可靠性指标的计算公式以及可靠性的统计结果。这些可靠性指标的计算公式为燃气轮机及联合循环发电机组的可靠性技术研究和可靠性评定提供了科学依据。
关键词: 燃气轮机;联合循环机组;可靠性;评价指标;计算公式
中图分类号: TK471 文献标识码:A 文章编号:1672 – 5549(2003) 04 – 0234 – 03
Calculation Formulas for Rel iabil ity Indexes of Gas
Turbine Generating Units
S HI Jin2yuan , YA N G Y u , CHEN Jian , CHEN Y un , WA N G Wei2guo
( Shanghai Power Equipment Research Institute , Shanghai 200240 ,China)
Abstract : This paper describes calculation formulas for reliability indexes of gas turbine and combined2cycle generating units. The calculation formulas for 24 general reliability indexes and 4 especial reliability indexes are given together with statistical results for reliability indexes of gas turbines and combined2cycle generating units. The calculation formulas of reliability indexes may be used to provide a scientific basis for reliability technology research and reliability assessment of gas turbines and combined2cycle generating units.
Key words : gas turbine ; combined2cycle generating unit ; reliability ; evaluating index ; calculation formula
1 通用可靠性指标的计算公式
燃气轮机与联合循环发电机组都属于发电设备,其可靠性评价指标的计算公式必须与发电设
备通用的可靠性评价指标的计算公式一致。下面给出燃气轮机发电机组或燃气- 蒸汽联合循环发
电机组24 个通用可靠性评价指标的计算公式。
1. 1 强迫停运率(FOR)
1. 2 可用系数(AF)Availability Factor
1. 3 不可用系数(UF)Unavailability Factor
1. 4 计划停运系数(POF)Planned Outage Factor
