{"id":8984,"date":"2026-07-19T13:12:15","date_gmt":"2026-07-19T11:12:15","guid":{"rendered":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=8984"},"modified":"2026-07-22T07:44:52","modified_gmt":"2026-07-22T05:44:52","slug":"160-j-tea-co2-laser-avec-preionisation-corona","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/160-j-tea-co2-laser-avec-preionisation-corona\/","title":{"rendered":"160 J TEA CO2 laser avec pr\u00e9ionisation corona"},"content":{"rendered":"
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Alimentation de charge<\/span><\/h2>\n

\u00c0 gauche se trouve un bo\u00eetier m\u00e9tallique identifi\u00e9\u00a0 90 kVAC<\/strong><\/p>\n

Cette alimentation haute tension alternative assure la charge progressive des condensateurs par l’interm\u00e9diaire du r\u00e9seau de diodes et de r\u00e9sistances.<\/p>\n

Condensateurs de stockage<\/strong><\/p>\n

Deux condensateurs cylindriques haute tension sont mont\u00e9s verticalement.<\/p>\n

Leurs caract\u00e9ristiques sont : Capacit\u00e9 : 0,33 \u00b5F\u00a0 <\/strong>Tension nominale : 100 kV<\/strong><\/p>\n

L’\u00e9nergie stock\u00e9e dans chacun d’eux est donn\u00e9e par : E= 1650 joules par condensateur.<\/strong><\/p>\n

Cette importante r\u00e9serve d’\u00e9nergie garantit une impulsion tr\u00e8s intense et tr\u00e8s br\u00e8ve lors du d\u00e9clenchement. \u00c9clateurs de commutation\u00a0 SP1\u00a0 SP2\u00a0 SP3 sont les \u00e9clateurs (Spark Gaps)<\/strong> du g\u00e9n\u00e9rateur. Ils assurent la commutation ultra-rapide des condensateurs.<\/p>\n

Pendant la phase de charge, les condensateurs sont reli\u00e9s en parall\u00e8le.<\/p>\n

Au moment du d\u00e9clenchement, les \u00e9clateurs s’amorcent successivement en quelques dizaines de nanosecondes et connectent instantan\u00e9ment les condensateurs en s\u00e9rie.<\/p>\n

Sortie impulsionnelle<\/span><\/strong><\/em><\/p>\n

\u00c0 droite de la photographie appara\u00eet la borne de sortie haute tension.<\/p>\n

Le symbole rouge indique la tension maximale d\u00e9livr\u00e9e : 200 kV<\/strong><\/span><\/p>\n

Cette impulsion est appliqu\u00e9e directement aux \u00e9lectrodes de la t\u00eate laser CO\u2082 TEA afin d’amorcer la d\u00e9charge gazeuse produisant l’impulsion laser.<\/p>\n<\/div><\/section><\/div>\n

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