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BAISSE PUISSANCE CONTROLEE [1 record]

Record 1 2017-04-11

English

Subject field(s)
  • Nuclear Science and Technology
  • Nuclear Fission Reactors
DEF

The rapid shutdown of a reactor, initiated when some operational parameter reaches a level determined by operational or safety requirements.

DEF

The rapid reduction of reactor power to a negligible level, achieved by the full insertion of the coarse control members and the fine control members at their emergency speed.

CONT

At the onset of an accident, certain protective actions (e.g., reactor trip, emergency core cooling actuation, containment isolation) are designed to be performed automatically.

French

Domaine(s)
  • Sciences et techniques nucléaires
  • Réacteurs nucléaires de fission
DEF

Diminution rapide de la puissance d'un réacteur [qui] peut être voulue ou résulter de la mise en action du circuit de sécurité.

CONT

Dans les centrales nucléaires, certaines mesures de protection (par exemple, le déclenchement du réacteur, le refroidissement d'urgence du cœur et l'isolement de l'enceinte de confinement) sont ainsi conçues qu'elles sont exécutées automatiquement en cas d'accident.

OBS

Hydro-Québec.

Spanish

Campo(s) temático(s)
  • Ciencia y tecnología nucleares
  • Reactores nucleares de fisión
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