Loop testing of safety devices during operation improves plant performance, reduces downtime of process-dependent rotating equipment, and enhances training of personnel. Designers, manufacturers, staff engineers, and plant personnel are always concerned with improving the efficiency and reliability of process equipment. An unscheduled shutdown caused by breakdowns or accidents involving machinery may result in millions of dollars in unrecoverable losses, because the capacity of rotating equipment has increased to a point where temporary replacements to enable the plants to continue their production are hard, or even impossible, to find. The paper will discuss how accidents may be prevented and outline a systematic approach to checking alarm and trip circuits.
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June 1982
Technical Briefs
Missed Opportunities—Strategy and Procedures for Testing Alarm and Shutdown Devices
P. S. Koelle
P. S. Koelle
Amoco Chemicals Corporation, Chicago, Ill. 60601
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P. S. Koelle
Amoco Chemicals Corporation, Chicago, Ill. 60601
J. Energy Resour. Technol. Jun 1982, 104(2): 186-190 (5 pages)
Published Online: June 1, 1982
Article history
Received:
November 14, 1979
Revised:
October 14, 1981
Online:
October 22, 2009
Citation
Koelle, P. S. (June 1, 1982). "Missed Opportunities—Strategy and Procedures for Testing Alarm and Shutdown Devices." ASME. J. Energy Resour. Technol. June 1982; 104(2): 186–190. https://doi.org/10.1115/1.3230398
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