{"id":277,"date":"2022-09-23T11:32:57","date_gmt":"2022-09-23T09:32:57","guid":{"rendered":"https:\/\/iristechnologie.com\/?page_id=277"},"modified":"2023-11-20T09:41:46","modified_gmt":"2023-11-20T08:41:46","slug":"nuclear","status":"publish","type":"page","link":"https:\/\/iristechnologie.com\/en\/nucleaire\/","title":{"rendered":"NUCLEAR"},"content":{"rendered":"

Detection incendie par camera domaine nucleaire<\/h1>\n

Detection incendie par camera domaine nucleaire<\/p>

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e\u00e9tection incendie par camera domaine nucleaire<\/h2>

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Dans les centrales thermiques, hydro\u00e9lectriques ou nucl\u00e9aires, les feux proviennent majoritairement des \u00e9quipements rotatifs ou \u00e9lectriques. Une d\u00e9tection pr\u00e9coce par le syst\u00e8me de detection incendie par camera nucleaire Signifire peut limiter les pertes. Il peut \u00e9viter une fermeture potentiellement longue et co\u00fbteuse du site de production. SigniFire a d\u00e9j\u00e0 \u00e9t\u00e9 install\u00e9 dans des salles de turbines de batteries, stations de compression et bassins de combustible nucl\u00e9aire.<\/h3>

Difficult environment<\/h4>\n
Les centrales \u00e9lectriques sont g\u00e9n\u00e9ralement des grosses structures. Les incendies peuvent \u00eatre produits par une surchauffe et\/ou une fuite du liquide de lubrification des machines. Ces incendies produisant d\u2019abord de la fum\u00e9e, ils sont d\u00e9tect\u00e9s rapidement par la technologie SigniFire, ce qui contribue \u00e0 une diminution des pertes mat\u00e9rielles et financi\u00e8res. SigniFire apporte \u00e9galements des solutions pour les zones \u00e0 fortes chaleurs ou \u00e0 fortes radiations, l\u2019installation est administrable \u00e0 distance \u00e9vitant ainsi toute intervention humaine dans des zones impraticables.\n

Why video detection of flame and smoke?<\/h4>\n
Video detection of flame and smoke has several advantages over traditional detection:\n
\n
Une d\u00e9tection pr\u00e9coce :Les cam\u00e9ras voient le feu \u00e0 la source et parviennent donc \u00e0 le d\u00e9tecter plus t\u00f4t que les d\u00e9tecteurs classiques. Ceux-ci n\u00e9cessitent que la fum\u00e9e atteigne leurs capteurs. \n
Information imm\u00e9diate de la situation : C\u2019est une cam\u00e9ra r\u00e9seau, les images peuvent \u00eatre visualis\u00e9es en temps r\u00e9el dans un centre de t\u00e9l\u00e9surveillance. La lev\u00e9e de doute est imm\u00e9diate et fiable..\n
Moins de mat\u00e9riel \u00e0 installer : Chaque cam\u00e9ra SigniFire couvre un grand volume ce qui se traduit par une \u00e9conomie de capteur. La finalit\u00e9 est une r\u00e9duction des co\u00fbts d\u2019installation et de maintenance.\n


Cost of a burned turbine<\/h4>\n
M\u00eame si les probabilit\u00e9s d\u2019incendie des turbines sont basses, les d\u00e9g\u00e2ts caus\u00e9s d\u00e9passent g\u00e9n\u00e9ralement 30 millions d\u2019Euros. Il peut forcer des coupures d\u2019\u00e9lectricit\u00e9 de plus de 6 mois ainsi qu\u2019une perte financi\u00e8re de 4 \u00e0 6 millions d\u2019Euros. Dans deux affaires la mise en hors-service des centrales a \u00e9t\u00e9 n\u00e9cessaire.\n
D\u2019apr\u00e8s l\u2019\u00e9tude d\u2019EPRI, dans une centrale de 30 ans de vie, un incendie se d\u00e9clare tous les 200 ans, ce qui signifie qu\u2019une des turbines install\u00e9es sera incendi\u00e9e. (Probabilit\u00e9 de 0.5%)\n

How does SigniFire work?<\/h4>\n
The video analysis software uses artificial intelligence:\n
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Analyse des images de 640×480 pixels \u00e0 un taux de 15 images\/seconde.\n
4.5 million data points analyzed by the camera's Texas Instruments DSP processor.\n
The software uses temporal patterns and DSP filters and compares the results with a neural network based on 15,000 fire simulation models.\n
The alarms are routed via dry contacts and\/or via Ethernet.\n


What fire protection systems have traditionally been used in the energy sector?<\/h4>\n
\n
Sprinklers :Les Sprinklers sont d\u00e9clench\u00e9s par une hausse de la temp\u00e9rature. Ils sont con\u00e7us pour sauver les fondations du b\u00e2timent et non son contenu.\n
D\u00e9tecteur de chaleur lin\u00e9aire :Les d\u00e9tecteurs de chaleur lin\u00e9aire peuvent \u00eatre utilis\u00e9s en amont des Sprinklers. Ceux-ci se d\u00e9clenchent \u00e0 une hausse de temp\u00e9rature et non \u00e0 un stade pr\u00e9coce.\n
D\u00e9tecteur BEAM : Les faisceaux sont plac\u00e9s au niveau du plafond et peuvent provoquer des faux positifs. Ceux-ci sont provoqu\u00e9s par une obstruction du faisceau (objets, poussi\u00e8re \u00e9paisse…).\n
Syst\u00e8me d\u2019aspiration (ASD) : Les syst\u00e8mes ASD ont un gros d\u00e9savantage en milieu poussi\u00e9reux. Les capteurs sont obstru\u00e9s ce qui fausse la d\u00e9tection et multiplie les op\u00e9rations de maintenance.\n
\n

Applications<\/h4>\n
La technologie SigniFire est adapt\u00e9e aux milieux suivants :\u2022 Salles des turbines\u2022 Salles des batteries\u2022 Salles des machines\u2022 Bassins de combustibles nucl\u00e9aire\u2022 Stations de compression\u2022 Transformateurs et appareillages

CENTRAL FUMES DETECTION<\/h3>\n
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CENTRAL FUMES DETECTION<\/h3>\n
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<\/p>\nContactez-nous<\/a>\nsite r\u00e9alis\u00e9 par agence totem<\/a>","protected":false},"excerpt":{"rendered":"

Detection incendie par camera domaine nucleaire Detection incendie par camera domaine nucleaire fullultrawide e\u00e9tection incendie par camera domaine nucleaire fullultrawide Dans les centrales thermiques, hydro\u00e9lectriques [?]<\/span><\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-277","page","type-page","status-publish","hentry"],"yoast_head":"\nDetection incendie par camera nucleaire<\/title>\n<meta name=\"description\" content=\"Detection incendie par camera nucleaire. Cam\u00e9ras r\u00e9sistantes aux rayons gamma. 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