A probabilistic model for performance evaluation of steam and water system of a thermal power plant

被引：2
|
作者：
Gupta, Sorabh [1 ]
Tewari, P. C. [2 ]
Sharma, Avadhesh Kumar [3 ]
机构：
[1] HCTM, Mech Engn, Kaithal 440010, Haryana, India
[2] NIT, Dept Mech Engn, Kurukshetra 136118, Haryana, India
[3] DCR Univ Sci & Technol, Dept Mech Engn, Sonepat 131039, India
来源：
INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE AND ENGINEERING MANAGEMENT | 2009年 / 4卷 / 03期
关键词：
probabilistic approach; steady state; availability matrix; operational availability;
D O I：
10.1080/17509653.2009.10684576
中图分类号：
C93 [管理学]; O22 [运筹学];
学科分类号：
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要：
This paper discusses performance evaluation of the steam and water system in a thermal power plant, with the help of developed probabilistic model. The system consists of six subsystems with two possible states: working and failed. Failure and repair rates for each subsystem are taken to be constant. Using a probabilistic approach, the differential equations are generated. After that, steady state probabilities are determined. Besides, availability matrix is also developed, which provide various availability levels. The performance evaluation reveals that availability figure decreases with increasing failure rates, while operational availability improves with initial increase in repair rates for different sub-systems. Based upon various availability values, performance of each subsystem is analyzed and then maintenance decisions are made for all subsystems.
引用
收藏
页码：177 / 187
页数：11
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