L\u2019Aim-TTi LD400 est un chargeur DC \u00e9lectronique de 400 W con\u00e7u pour tester et caract\u00e9riser une large gamme de sources d\u2019alimentation DC, notamment les batteries, les cellules solaires et les alimentations \u00e9lectroniques. Il offre une plage de fonctionnement allant de 0 \u00e0 80 V et de 0 \u00e0 80 A, avec une dissipation de puissance continue allant jusqu\u2019\u00e0 400 W \u00e0 28 \u00b0C et jusqu\u2019\u00e0 600 W pour des p\u00e9riodes de temps plus courtes allant jusqu\u2019\u00e0 60 secondes. L\u2019LD400 prend en charge les modes de fonctionnement \u00e0 courant constant, r\u00e9sistance constante, conductance constante, tension constante et puissance constante, avec un r\u00e9glage de niveau haute r\u00e9solution et une tension minimale d\u2019op\u00e9ration basse qui reste inf\u00e9rieure \u00e0 1 V jusqu\u2019\u00e0 40 A. Son g\u00e9n\u00e9rateur transitoire int\u00e9gr\u00e9 permet le contr\u00f4le de la fr\u00e9quence variable, du taux de d\u00e9phasage et de la vitesse de d\u00e9viation, tandis qu\u2019une sortie de moniteur de courant permet la visualisation de la forme d\u2019onde et une tension de d\u00e9crochage variable permet d\u2019effectuer des tests sur les batteries. Un LCD r\u00e9tro\u00e9clair\u00e9 haute r\u00e9solution avec contr\u00f4le par touches permet une utilisation locale, tandis que le contr\u00f4le analogique par t\u00e9l\u00e9commande et le contr\u00f4le TTL pour l\u2019allumage\/\u00e9teint et les commutations transitoires permettent un contr\u00f4le externe. Les bornes d\u2019entr\u00e9e avant et arri\u00e8re offrent des options de connexion flexibles, avec des bornes avant con\u00e7ues pour une puissance allant jusqu\u2019\u00e0 30 A. Le LD400 utilise un refroidissement par ventilateur \u00e0 vitesse variable et un bo\u00eetier compact de 3U en demi-rack, ce qui le rend adapt\u00e9 \u00e0 l\u2019essai de sources d\u2019alimentation DC au niveau du laboratoire ou des composants.<\/p>","protected":false},"excerpt":{"rendered":"
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