NUREG/CR-5496 INEELIEXT -97-00887 Evaluation of Loss of Offsite Power Events at Nuclear Power Plants: 1980 - 1996 Manuscript Completed: June 1998 Date Published: November 1998 Prepared by C.L. Atwood. D.L. Kelly, F.M Marshall, D.A. Prawdzik, J.W. Stetkar Idaho National Engineering and Environmental Laboratory Lockheed Martin Idaho Technologies ...

2025年1月14日 · NUREG/CR-5496 documents a similar study whose primary objective was to update the LOOP model parameters, frequency, and recovery time, using plant event data from 1980 - 1996. An additional objective was to re-examine the engineering insights concerning LOOP events. These studies were followed by NUREG/CR-6890 which evaluated data from 1986 ...

1999年8月1日 · This paper summarizes a similar study, whose primary objective was to update the LOSP model parameters, frequency and recovery time, using power plant event data from 1980-1996, published as NUREG/CR-5496 in 1998. An additional objective of the study is to re-examine the engineering insights concerning LOSP events.

2016年10月1日 · The classification is based on the criteria in NUREG/CR-5496 (NRC, 1998a) where the events are classified as momentary if the recovery time is less than 2 min, and sustained if the recovery time is 2 min or more.

models. This is the 2012 update to NUREG/CR-5496, updating data and parameter estimations. This release, CCF Parameter Estimation for 2012, reflects the CCF data contained within the CCF database, Version 4.5.2012. This version of the CCF database contains data from 1997 to 2012.

NUREG/CR-6890, Vol. 2 INL/EXT-05-00501, Vol. 2 Reevaluation of Station Blackout Risk at Nuclear Power Plants Analysis of Station Blackout Risk ... The second, NUREG/CR-5496, "Evaluat ion of Loss of Offsite Power Events at Nuclear Power Plants: 1980-1996," covered those that occurred in 1980-1996. This update was necessary, in part, because of a ...

NUREG/CR-5496 Rev. 2012 provides alpha factors for specific component types (pumps, valves, etc.) as well as generic values. Features of the generic values include: • Different values for demand versus rate • Group sizes ranging from two to …

LOSPs is REC-OSP-PC. The data in NUREG/CR-5496 indicates that one event in 102 plant centered events resulted in a loss for greater than 24 hours, and all 6 of the grid centered events were recovered in a relatively short time. Therefore a non-recovery probability of 1 E-02 is assumed. 4.3.2.4 Basic Event Probability

and uses the equations from NUREG/CR-5485 to calculate the global common cause contribution. GAMUT uses the 2009 update to NUREG/CR-5496 [3] as its source for the mean and uncertainty of the global alpha parameters. NUREG/CR-5496 provides alpha factors for specific component types (pumps, valves, etc.) as well as generic values.

2014年7月1日 · L. Atwood et al., " Evaluation of Loss of Offsite Power Events at Nuclear Power Plants: 1980 – 1996, " U.S. Nuclear Regulatory Commission, NUREG/CR-5496, 1998. Rates of Initiating Events at U.S ...