| Document Type: | Report | | Report Type: | Final Report | | Report Period: | 1/90 - 9/92 | | Authors: | Brown, Harry W.; Stuber, F. Samuel | | Corporate Source: | ARINC Research Corp., Annapolis, MD | | Sponsor: | Gas Research Institute, Chicago, IL | | Pagination: | 186p | | GTI Contract Number: | 1870 | | Project Manager: | Lautman, Louis A. | | Sector: | Power Generation |
| Summary | | The operational reliability (OR) of a cogeneration unit is
affected by many factors, including engine technology and operations and
maintenance (O&M) policy. This project examines OR of various gas-fueled,
engine-driven cogeneration technologies, and identifies research and
development opportunities for improvement. Sixteen technology categories within
six major engine groups, ranging in size from small packaged reciprocating
systems of less than 100 kW to utility-scale gas turbine systems of greater
than 100 MW, were defined as a basis for the field data collection. Daily
O&M information from 122 cogeneration units was collected during visits to
the sites. The sources were essential to the accuracy and verifiability of OR
performance statistics, which included availability, forced outage rate, and
mean time between forced outages. Data analyzed included scheduled and
unscheduled outage events, written descriptions of the failure cause, downtime
durations, equipment operating hours, and electric and thermal generation
statistics. More than 9500 maintenance event descriptions are studied in a
special OR analysis data base developed for this project. A practical framework
for collecting and organizing plant O&M data is developed. Recommendations
for identifying and analyzing the reliability improvement opportunities are
included. |
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