Protection of reactor cores from unstable density wave oscillations

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United States of America Patent

PATENT NO 8135106
APP PUB NO 20060171499A1
SERIAL NO

11109064

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a method of operating a Boiling Water Reactor, having the steps of analyzing LPRM signals for oscilliatory behavior indicative of neutron-flux-coupled density wave oscillations, determining if oscilliatory behavior is present in the signals; initiating a reactor protective corrective action if the oscilliatory behavior is determined, and in addition, initiating corrective actions if neutron uncoupled oscillations are possible. Detecting the later is performed through analytically determined exclusion zone on the power flow map or by on-line stability calculations for several high power channels.

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Patent Owner(s)

Patent OwnerAddress
AREVA NP INC3315 OLD FOREST ROAD LYNCHBURG VA 24501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farawila, Yousef M Richland, US 8 13
Pruitt, Douglas W Pasco, US 2 4

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