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POISON OVERRIDE TIME [1 record]

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Record 1 - external organization data 2005-08-25

English

Subject field(s)
  • Nuclear Fission Reactors
  • Compartment - Canadian Nuclear Safety Commission
CONT

Thirty-five to forty minutes after a trip the negative reactivity from xenon exceeds the positive reactivity of the adjusters. ... If the reactor is started up during the 35 to 40 minute poison override time and brought up to power before poisoning out, the xenon will be burned up rapidly and a poison out may be prevented.

French

Domaine(s)
  • Réacteurs nucléaires de fission
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Trente-cinq à quarante minutes après un arrêt, la réactivité négative imputable au xénon dépasse la réactivité positive des barres de compensation [...]. Si le réacteur est démarré pendant cette période de 35 à 40 minutes qui est le temps de dépassement de l'empoisonnement et qu'il est amené en mode de puissance avant l'empoisonnement, le xénon subira une combustion rapide et là il pourra ainsi éviter l'empoisonnement.

Spanish

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