Real-Time Displacement Monitoring System for High Temperature Steam Pipe of Fossil Power Plant

Abstract:

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Most domestic fossil power plants have exceeded 100,000hours of operation with the severe operating condition. Also, cyclic operation of the plant subjects the piping system to mechanical and thermal fatigue mechanisms and poor of defective support assemblies can impose massive loads onto the piping system and induce unstable piping displacement. In order to prevent the serious damage and failure of the piping system in fossil power plants, 3-dimensional displacement measurement system was developed for the on-line monitoring. Displacement measurement system was developed with LVDT and rotary encoder type sensors. This system was installed and operated on a real power plant successfully.

Info:

Periodical:

Key Engineering Materials (Volumes 297-300)

Edited by:

Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim

Pages:

2164-2168

Citation:

J. S. Hyun et al., "Real-Time Displacement Monitoring System for High Temperature Steam Pipe of Fossil Power Plant ", Key Engineering Materials, Vols. 297-300, pp. 2164-2168, 2005

Online since:

November 2005

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Price:

$38.00

[1] A Study on the Life Extension Technology in the Fossil Power Plants, Technical Report, TR. 97GS06. S2001. 046, Korea Electric Power Research Institute (2000).

[2] M.T. Flaman and B.E. Mills: Development of a Strain Gauge Based On-line Structural Integrity Monitoring System for Fossil-Fuelled G.S., CEA Project No. 726 G 627, Ontario Hydro Research Division, USA (1992).

[3] B. Hahn, et al.: In-service Condition Monitoring of Piping Systems in Power Plants Requirements and Advanced Techniques, OMMI Vol. 1 Issue 1 (2002), pp.1-13.

[4] Y. Takahashi, et al.: Trend of Operating Data Monitoring and Fatigue Evaluation System for BWR in Japan, SMIRT-12K. Kussmaul, North-Holland (1993), pp.265-270.