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NEGATIVE REACTIVITY TRIP [1 record]
Record 1 - internal organization data 2010-12-03
Record 1, English
Record 1, Subject field(s)
- Nuclear Fission Reactors
- Nuclear Plant Safety
Record 1, Main entry term, English
- negative reactivity trip
1, record 1, English, negative%20reactivity%20trip
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A reactor shutdown automatically triggered by the three power range neutron measuring channels that monitor the core's reactivity [,] when two of these channels measure reactivity below a value set at -10 pcm [per cent mille]. 1, record 1, English, - negative%20reactivity%20trip
Record number: 1, Textual support number: 1 OBS
This automatic response protects the reactor from accidents caused by largely insufficient cooling of the core, such as instantaneous breach of the connection between primary pump and diagrid. 1, record 1, English, - negative%20reactivity%20trip
Record 1, French
Record 1, Domaine(s)
- Réacteurs nucléaires de fission
- Sûreté des centrales nucléaires
Record 1, Main entry term, French
- arrêt d’urgence par réactivité négative
1, record 1, French, arr%C3%AAt%20d%26rsquo%3Burgence%20par%20r%C3%A9activit%C3%A9%20n%C3%A9gative
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- arrêt d’urgence sur réactivité négative 1, record 1, French, arr%C3%AAt%20d%26rsquo%3Burgence%20sur%20r%C3%A9activit%C3%A9%20n%C3%A9gative
correct, masculine noun
- AURN 2, record 1, French, AURN
correct, masculine noun
- AURN 2, record 1, French, AURN
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[…] il convient de rappeler que le réacteur PHÉNIX a fait l’objet, en 1989 et 1990, de quatre arrêts d’urgence sur réactivité négative, dont l’origine est restée inexpliquée. Toutefois, l’hypothèse de passage de gaz dans le cœur a été écartée. À la suite de ces arrêts, le réacteur PHÉNIX est équipé d’une instrumentation renforcée (dont une chambre de mesure neutronique en cuve), avec redondance et diversification des mesures, mais aucun nouvel arrêt d’urgence par réactivité négative n’est survenu depuis 1990. 1, record 1, French, - arr%C3%AAt%20d%26rsquo%3Burgence%20par%20r%C3%A9activit%C3%A9%20n%C3%A9gative
Record 1, Key term(s)
- A.U.R.N.
Record 1, Spanish
Record 1, Textual support, Spanish
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