BACKUP NUCLEAR REACTOR AUXILIARY POWER USING DECAY HEAT
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United States of America Patent
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Issued Date -
Feb 21, 2013
app pub date -
Aug 17, 2011
filing date -
Aug 17, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A nuclear plant auxiliary backup power system that uses decay heat following a plant shutdown to produce electrical power through a dedicated steam turbine/generator set. The decay heat produces a hot operating gaseous fluid which is used as a backup to run an appropriately sized turbine that powers an electrical generator. The turbine is configured to utilize a portion of the existing nuclear plant secondary system and exhausts the turbine exhaust to the ambient atmosphere. The system functions to both remove reactor decay heat and provide electrical power for plant systems to enable an orderly shutdown in the event traditional sources of electric power are unavailable.
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