Actions for SEP operating history of the Dresden Nuclear Power Station Unit 2 [electronic resource].

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SEP operating history of the Dresden Nuclear Power Station Unit 2 [electronic resource].

Published
Oak Ridge, Tenn. : Oak Ridge National Laboratory, 1983.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 6 : digital, PDF file
Additional Creators
Oak Ridge National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
206 forced shutdowns and power reductions were reviewed, along with 631 reportable events and other miscellaneous documentation concerning the operation of Dresden-2, in order to indicate those areas of plant operation that compromised plant safety. The most serious plant challenge to plant safety occurred on June 5, 1970; while undergoing power testing at 75% power, a spurious signal in the reactor pressure control system caused a turbine trip followed by a reactor scram. Subsequent erratic water level and pressure control in the reactor vessel, compounded by a stuck indicator pen on a water level monitor-recorder and inability of the isolation condenser to function, led to discharge of steam and water through safety valves into the reactor drywell. No significant contamination was discharged. There was no pressure damage or the reactor vessel of the drywell containment walls. Six areas of operation that should be of continued concern are diesel generator failures, control rod and rod drive malfunctions, radioactive waste management/health physics program problems, operator errors, turbine control valve and EHC problems, and HPCI failures. All six event types have continued to recur.
Report Numbers
E 1.99:conf-830609-61
conf-830609-61
Subject(s)
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Note
Published through SciTech Connect.
01/01/1983.
"conf-830609-61"
"DE84003160"
ANS annual meeting, Detroit, MI, USA, 12 Jun 1983.
Harrington, K.H.; Mays, G.T.
Funding Information
W-7405-ENG-26
View MARC record | catkey: 14368273