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Guest Isaia

Defecte pe invertoarele 12Vcc,24Vcc/220Vca.

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Guest Isaia

Am nevoie,de ajutorul dvs.,ptr. rezolvarea unui invertor 12Vcc/220Vca tip ERBA 1000w{E8 26108}.Invertorul a fost legat la reteaua electrica a casei, de catre o cunostiinta,iar cind a venit tensiunea electrica-a iesit fum din el.Ultima parte a invertorului,care face din 300Vcc/230Vca sinus modificat este defecta  in totalitate:4 buc. IRFP 460 in scurt, 3 buc tranzstoare [mica putere] evaporate,circuitul integrat crapat[cred ca este KA7500?],4 electrolitici explodati, toate diodele 1N4148 in scurt,o parte din rezistente arse......Daca dispuneti de o schema,eventual numai ptr. partea finala! Va multumesc!

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