Steam turbine maintenance and repair technology: Reducing planned-outage costs
Technical Report
·
OSTI ID:6969622
- General Physics Corp., Columbia, MD (USA)
- Southwest Research Inst., San Antonio, TX (USA)
The North American Electric Reliability Council (NAERC) reported that the average loss of equivalent availability per outage for a major fossil turbine overhaul is 323,000 MW-HR. The Electric Power Research Institute (EPRI) Generation and Storage Division, is in the first phase of a major research project to reduce the duration and/or frequency of steam turbine maintenance outages. This project consists of an assessment of the current state-of-the-art turbine maintenance and repair techniques and technologies. It is based on a review of current turbine maintenance practices of the US, European, Japanese, and Australian utility industries. Emphasized are maintenance and repair activities that have the most significant impact on outage duration or frequency. Twenty-six key turbine maintenance activities and the current best techniques were identified for use by utility maintenance personnel. Overall outage durations could be reduced if the duration of these activities were shortened or if they were performed more effectively. Recommended projects for development of advanced steam turbine maintenance technology were identified. 29 refs., 46 figs., 9 tabs.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (USA); General Physics Corp., Columbia, MD (USA); Southwest Research Inst., San Antonio, TX (USA)
- Sponsoring Organization:
- EPRI
- OSTI ID:
- 6969622
- Report Number(s):
- EPRI-GS-6788
- Country of Publication:
- United States
- Language:
- English
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