TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
TAUX INDISPONIBILITE [3 records]
Record 1 - internal organization data 2008-09-05
Record 1, English
Record 1, Subject field(s)
- Energy Transformation
- Power Networks and Distrib. Stations (Elec.)
Record 1, Main entry term, English
- forced outage
1, record 1, English, forced%20outage
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The shutdown of a generating unit, transmission line, or other facility for emergency reasons or a condition in which the generating equipment is unavailable for load due to unanticipated breakdown. 2, record 1, English, - forced%20outage
Record number: 1, Textual support number: 1 OBS
Forced outage is expressed in percentage (forced outage rate). 3, record 1, English, - forced%20outage
Record 1, French
Record 1, Domaine(s)
- Transformation de l'énergie
- Réseaux et postes (Distribution électrique)
Record 1, Main entry term, French
- indisponibilité fortuite
1, record 1, French, indisponibilit%C3%A9%20fortuite
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Interruption d’un groupe électrogène, d’une ligne de transport d’énergie ou de tout autre vecteur de production d’énergie pour cause d’urgence ou d’incapacité de production par les équipements à la suite d’une panne inopinée. 2, record 1, French, - indisponibilit%C3%A9%20fortuite
Record number: 1, Textual support number: 1 OBS
L'indisponibilité fortuite s’exprime en pourcentage(taux d’indisponibilité fortuite). 2, record 1, French, - indisponibilit%C3%A9%20fortuite
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - external organization data 2000-06-22
Record 2, English
Record 2, Subject field(s)
- Nuclear Power Stations
- Nuclear Plant Safety
- Compartment - Canadian Nuclear Safety Commission
Record 2, Main entry term, English
- period of intentionally-reduced performance
1, record 2, English, period%20of%20intentionally%2Dreduced%20performance
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
... a period of time when a plant is put in a state where the level of performance of a "special safety system" or a "safety support system" is reduced in accordance with the following conditions: (a) the reduced level of performance of the system has previously been accepted by the AECB, and (b) the Operating Policies and Principles or other licensing document specifies the state of the plant, the reduced level of performance of the system (expressed in quantifiable terms), and identifies all components of the system that are needed to meet the reduced level of performance at a "predicted future unavailability" rate not exceeding 10³ year per year. 1, record 2, English, - period%20of%20intentionally%2Dreduced%20performance
Record 2, French
Record 2, Domaine(s)
- Centrales nucléaires
- Sûreté des centrales nucléaires
- Tiroir - Commission canadienne de sûreté nucléaire
Record 2, Main entry term, French
- période de rendement intentionnellement réduit
1, record 2, French, p%C3%A9riode%20de%20rendement%20intentionnellement%20r%C3%A9duit
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Période durant laquelle le niveau de rendement d’un «système spécial de sûreté» ou d’un [système auxiliaire de sûreté] est réduit, conformément aux conditions suivantes : a) le niveau de rendement réduit du système a été préalablement accepté par la CCEA; b) la ligne directrice pour l'exploitation ou d’autres documents soumis à l'appui de la demande de permis précisent l'état de la centrale, le niveau de rendement réduit du système(exprimé en termes quantifiables) et tous les composants du système nécessaires au maintien du niveau de rendement réduit pour s’assurer que le taux d’indisponibilité future prévue ne dépasse pas 10³ années par année. 1, record 2, French, - p%C3%A9riode%20de%20rendement%20intentionnellement%20r%C3%A9duit
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - external organization data 1994-10-27
Record 3, English
Record 3, Subject field(s)
- Nuclear Power Stations
- Nuclear Plant Safety
- Compartment - Canadian Nuclear Safety Commission
Record 3, Main entry term, English
- component failure data
1, record 3, English, component%20failure%20data
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
"component failure data" means observed lifetime and annual data on the number of failures and failure rate of any component whose failure contributes to the "observed past unavailability" of any "special safety system", including component failures that occur or that are identified during a "period of intentional unavailability". 1, record 3, English, - component%20failure%20data
Record 3, French
Record 3, Domaine(s)
- Centrales nucléaires
- Sûreté des centrales nucléaires
- Tiroir - Commission canadienne de sûreté nucléaire
Record 3, Main entry term, French
- données sur la défaillance de composant
1, record 3, French, donn%C3%A9es%20sur%20la%20d%C3%A9faillance%20de%20composant
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Données annuelles et cumulatives à vie sur le nombre de défaillances et le taux de défaillance de tout composant contribuant à l'«indisponibilité observée» de tout «système spécial de sûreté» ou de tout «système de support de la sûreté», y compris les défaillances de composants qui surviennent ou qui sont relevées au cours d’une «période d’indisponibilité intentionnelle». 1, record 3, French, - donn%C3%A9es%20sur%20la%20d%C3%A9faillance%20de%20composant
Record 3, Spanish
Record 3, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified:


