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Old 27-11-2012, 10:30 AM   #21
BIGDADDY
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Default Re: problem sa PROFIRE 2626

Da, ali u kombinaciji sa tranzistorima koji su kao baferi dobija se veća struja. Ortak elektro-inženjer kaže otprilike 4A po tranzistoru, ja sam stavio dva komada.Pogledaj u LM317 datasheet, ima slična šema.
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Old 27-11-2012, 06:08 PM   #22
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Default Re: problem sa PROFIRE 2626

Pa daj bigdaddy okaci semu celog napajanja, ja se ne razumem u elektroniku/elektriku al da makar dam drugu elektroinzenjeru da mi to sklepa...ajde imas od mene
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Old 27-11-2012, 08:57 PM   #23
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Default Re: problem sa PROFIRE 2626

3 sekunde googlanja

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Old 03-12-2012, 05:14 AM   #24
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Default Re: problem sa PROFIRE 2626

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3 sekunde googlanja

Ovo nije losa shema. Taj 2N 2955 tranzistor moze da istrpi 15 ampera u piku, desetak sa dobrim hladjenjem - s obzirom da radi sa malim naponom, nece mu to biti problem. Tranzistor je sposoban da izdrzi oko 110w max snage (snaga = napon x struja) - pa racunajte. U svakom slucaju 2N tranzistor treba montirati na 'ladnjak...
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Old 03-12-2012, 01:13 PM   #25
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Default Re: problem sa PROFIRE 2626

E kad se sjetim invertora i pojacala koje sam pravio sa 2N 3055 izvadjenim iz starih televizora (pred kraj osnovne skole). To su bila vremena
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Old 03-12-2012, 03:43 PM   #26
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Default Re: problem sa PROFIRE 2626

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E kad se sjetim invertora i pojacala koje sam pravio sa 2N 3055 izvadjenim iz starih televizora (pred kraj osnovne skole). To su bila vremena
haha, tako je, legendarni Ei NIŠ 2n3055! Sećam se, kad ga nađem na buvljaku kod cigana na nekom kršu, kao da sam našao novčanicu od 100 evra (maraka u to vreme)
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Old 03-12-2012, 04:20 PM   #27
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Default Re: problem sa PROFIRE 2626

Mos misliti kakvo je to bilo blago u Bosni 94-95 godina, rat, nema el energije (dodje jednom u 15 dana na 2 sata) a ja od tih tranzistora pravio invertorske pretvarace za neonke 18w (mnogo duze traje akumulator, s obzirom da smo ko satorske expedicije sve imali na automobilski akumulator: rasvjetu, televizor, radio) .
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Old 03-12-2012, 06:59 PM   #28
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Default Re: problem sa PROFIRE 2626

Da, da... zao mi je sto te takve uspomene vezu za to doba... Ovde je bila nemastina i beda kao i svuda, ali eto, ja sam ga koristio u svrhe zabave i hobija... Tebi je omogucavao da koliko-toliko normalno zivis
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Old 03-12-2012, 07:05 PM   #29
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Default Re: problem sa PROFIRE 2626

Ma nema sta da ti bude zao...sto te ne ubije, ojaca te za zivot ...
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