Implementation of power shape adaption technique for the use of automated fixed in-core probes

  • Gabriel F. Cuevas Vivas
  • , Walid A. Metwally
  • , John P. Rea
  • , Brian R. Moore
  • , Stephan C. Moen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The use of Automated Fixed In-core Probes (AFIPs) in the Economic Simplified Boiling Water Reactor (ESBWR) designed by GE-Hitachi Nuclear Energy Americas, LLC (GEH) is the culmination of an effort to simplify the power monitoring system and eliminate moving parts. To achieve the planned AFIP implementation, a number of studies are in progress to optimize the power monitoring calculation and the use of a continuous flow of information. The capabilities of the monitoring system that uses a traversing detector inside the core were combined with the fixed nature of the AFIP into the new AFIP-based monitoring system. The ultimate goal is an AFIP-based monitoring system with a sound basis for the power calculation uncertainties as well as a monitoring configuration that assures a high performance of the monitoring functions (e.g. power adaption, calibration of Local Power Range Monitors, (LPRMs)). This paper addresses the interpretation of the detector signal and the use of a reduced number of measured data points in the power monitoring system of a Boiling Water Reactor.

Original languageEnglish
Title of host publicationAmerican Nuclear Society - 4th Topical Meeting on Advances in Nuclear Fuel Management 2009, ANFM IV
Pages883-892
Number of pages10
StatePublished - 2009
Externally publishedYes
EventAmerican Nuclear Society - 4th Topical Meeting on Advances in Nuclear Fuel Management 2009, ANFM IV - Hilton Head Island, SC, United States
Duration: Apr 12 2009Apr 15 2009

Publication series

NameAmerican Nuclear Society - 4th Topical Meeting on Advances in Nuclear Fuel Management 2009, ANFM IV
Volume2

Conference

ConferenceAmerican Nuclear Society - 4th Topical Meeting on Advances in Nuclear Fuel Management 2009, ANFM IV
Country/TerritoryUnited States
CityHilton Head Island, SC
Period04/12/0904/15/09

Keywords

  • Core monitoring system
  • Gamma thermometer
  • Power adaption

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