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ETUDE DU CIRCUIT SECONDAIRE D’UN MICRO-ONDE

ETUDE DU CIRCUIT SECONDAIRE D’UN MICRO-ONDE. Structure de la cellule haute tension. MAGNETRON. Réseau EDF. Transformateur élévateur de tension. Diode à vide. Cellule double de tension. V1= 2750V. V2=4000v. Ondes électromagnétiques. V= 230V. Chaleur. Elément chauffant de la cathode.

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ETUDE DU CIRCUIT SECONDAIRE D’UN MICRO-ONDE

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  1. ETUDE DU CIRCUIT SECONDAIRE D’UN MICRO-ONDE

  2. Structure de la cellule haute tension MAGNETRON Réseau EDF Transformateur élévateur de tension Diode à vide Cellule double de tension V1= 2750V V2=4000v Ondes électromagnétiques V= 230V Chaleur Elément chauffant de la cathode V3 = 3.1V

  3. Cellule double de tension MAGNETRON Transformateur élévateur de tension cathode V1 V2 anode V V3

  4. Vc=2750v charge du condensateur cathode V2=0v car la diode conduit V1 Alternance positive anode

  5. V2=V1-Vc Vc=2750v Pas de déchage possible cathode V1 V2=V1-Vc car la diode ne conduit pas Alternance négative anode V2=V1-Vc V2max = - 2750 – 2750 =- 5500V En réalité proche de - 4000V

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