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Reliability Improvement of Medium Speed Diesels in Nuclear Standby Applications
ISSN: 0148-7191, e-ISSN: 2688-3627
Published May 01, 1986 by SAE International in United States
Annotation ability available
Event: Marine Propulsion Technology
Emergency standby diesel generators manufactured by Transamerica Delaval, Inc. experienced a number of major problems during preoperational qualification testing at several U.S. nuclear sites. Most notably these have included a complete fracture of a crankshaft, an engine block failure, piston failures, and cracked and leaking cylinder heads. These problems appear to stem from deficiencies in design and manufacturing quality by the engine manufacturer. This paper discusses some of the more significant problems experienced and actions taken by the nuclear utility owners and the NRC to reestablish confidence in the reliability of these engines and to qualify these engines for nuclear service.
CitationBerlinger, C. and Murphy, E., "Reliability Improvement of Medium Speed Diesels in Nuclear Standby Applications," SAE Technical Paper 860887, 1986, https://doi.org/10.4271/860887.
- United States Nuclear Regulatory Commission (U.S. NRC) “Safety Evaluation Report, Transamerica DeLaval, Inc., Diesel Generator Owners Group Program Plan,” Washington, D.C. August 13 1984
- Failure Analysis Associates (FaAA) “Emergency Diesel Generator Crankshaft Failure Investigation. Shoreham Nuclear Power Station,” FaAA Report No. FaAA-83-10.2.1 Palo Alto, CA October 1983
- U.S. NRC “Supplemental Safety Evaluation Report. Shoreham Nuclear Power Station, Docket 50-322,” Washington, D.C December 1984
- U.S. NRC “Safety Evaluation Report related to the Operation of River Bend Station, Docket 50-458,” Washington, D.C. August 1985
- FaAA “Evaluation of Transient Conditions on Emergency Diesel Generator Crankshafts at San Onofre Nuclear Generating Station Unit 1,” Palo Alto, CA April 1985
- NRC U.S. “Safety Evaluation Report. San Onofre Nuclear Generating Station 1, Reliability of TDI Diesel Generators, Docket No. 50-206,” Washington, D.C November 19 1984
- FaAA “Design Review of Connecting Rod Bearing Shells for Transamerica Delaval Enterprise Engines,” Palo Alto, CA March 1984
- FaAA “Design Review of TDI R-4 Series Emergency Diesel Generator Cylinder Blocks and Liners,” Palo Alto, CA June 1984
- FaAA “Investigation of Types AF and AE Piston Skirts,” Palo Alto, CA May 1984
- NRC U.S. “Safety Evaluation Report related to be Operation of Grand Gulf Nuclear Station, Units 1 and 2, Docket Nos. 50-416 and 50-417,” Washington, D.C. August 1984
- FaAA “Investigation of Type AN and AH Piston Skirts,” Palo Alto, CA November 1984
- NRC U.S. “Safety Evaluation Report related to the Operation of Catawba Nuclear Station, Units 1 and 2, Docket Nos. 50-413 and 50-414,” Washington, D.C. December 1984
- FaAA “Evaluation of Cylinder Heads of Transamerica Delaval Inc. Series R-4 Diesel Engines,” Palo Alto, CA August 1984
- FaAA “Design REview of Elliot Model 90G Turbocharger used on Transamerica Delaval DSR-48 and DSRV-16 Emergency Diesel Generators Sets,” Palo Alto, CA July 1984
- NRC U.S. “Proposed Staff Actions to improve and Maintain Diesel Generator Reliability (Generic Letter 84-15),” Washington, D.C. July 2 1984