Abstract
This paper investigates the critical component of thermal power station which requires preventive maintenance by using MCDM methods. The data have been collected from one the thermal power plant. The major outage of the thermal power plant unit is due the MFT. MFT is operated to protect the boiler from any unsafe operation condition in the boiler. To reduce the MFT of generating unit, each cause of MFT is important to analyze. The main causes of MFT are flame failure and protection, coal mills, induced draft, forced draft and primary air fans, drum level high or low, furnace pressure high or low, etc. Fans and coal mills are the critical cause of MFT which are determine by using MCDM methods. The attributes used for the decision making are number of failures, outage hours and mean-time-to-repair.
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Abbreviations
- AHP:
-
Analytic hierarchy process
- BMS:
-
Boiler management system
- FD:
-
Forced draft
- GTMA:
-
Graph theory and matrix approach
- ID:
-
Induced draft
- MCDM:
-
Multi-criteria decision making
- MFT:
-
Master fuel tripping
- MTBF:
-
Mean-time-between failures
- MTTR:
-
Mean-time-to-repair
- NOF:
-
Number of failures
- OH:
-
Outage hours
- PA:
-
Primary air
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Patel, R.K., Dwivedi, R.K. Determination of Critical Component Failure in Thermal Power Station by Using Multi-criteria Decision-Making Methods. J Fail. Anal. and Preven. 20, 353–357 (2020). https://doi.org/10.1007/s11668-020-00835-8
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DOI: https://doi.org/10.1007/s11668-020-00835-8