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nr4

schema diode buna sau proasta

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Iti spun eu ce se va intampla daca folosesti acea schema. O sa ai parte de fierberea electrolitului din condensatorii de pe partea de tensiune negativa iar montajul nu va functiona.

 

Vezi ca mai e pe undeva pe forum postata o schema de alimentare pe care o poti folosi (eu am pus-o, d-asta stiu)

 

Sa vad daca o gasesc....

Aici se gaseste http://www.elforum.info/viewtopic.php?p=141752#141752

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nr4,daca in loc de priza mediana la secundar ai avea doua infasurari egale independente (verifica traful de care dispui, cel mai probabil e asa construit) atunci corectia schemei date de tine consta in izolarea celor doua punti pe partea de alternativ si conectarea laolalta doar pe partea de curent continuu in punctul comun al condensatorilor de filtraj.Altfel, asa cum spunea un "antevorbitor" ai scurt pe secundar prin circuitul ce se inchide prin cate 2 diode (una de la fiecare punte) pe fiecare alternanta.

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