Energija, ekonomija, ekologija, 1, XXVIII (2026) (67-76 стр.)
АУТОР(И) / AUTHOR(S): Željko V. Despotović 
, Uroš Ilić
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DOI: https://doi.org/10.46793/EEE26-1.67D
САЖЕТАК / ABSTRACT:
Vibracione hranilice ili dozatori (popularno na zvani i kao “vibracioni fideri“) sa elektromagnetnom pobudom koji su prilagođeni za rad u režimu mehaničke rezonance su se pokazali kao veoma energetski efikasan način za doziranje rasutih i zrnastih materijala. Standardni mrežni rezonantni vibracioni fideri se napajaju iz mrežnog napajanja 230 V, 50 Hz pri čemu se vrši pretvaranje mrežnog napona u jednosmerni napon 300 Vdc, a iz ovog napona se odgovarajućim DC/AC pretvaračem napaja namotaj pobudnog elektromagneta vibracionog dozatora. U ovom radu je prikazan “off-grid“ solarno napajan sistem vibracionog fidera u kojem se pored PV panela koristi baterijska banka 24Vdc. Punjenje baterijske banke se ostvaruje sa solarnim MPPT regulatorom dok se prilagođenje DC napajanja izlaznog DC/AC pretvarača vibracionog dozatora ostvaruje DC/DC pretvaračem podizačem napona 24 Vdc/300 Vdc. U radu su prikazani metodologija i rezultati proračuna predloženog sistema kao i DC/DC pretvarača. Tehničko rešenje predstavljeno u ovom radu bi imalo potencijalnu mogućnost primene u sistemima za doziranje hrane na ribnjacima, doziranje zrnaste hrane za ptice u rezervatima i ruralnim sredinama i sličnim aplikacijama gde se zahteva doziranje sitnozrnastih materijala
КЉУЧНЕ РЕЧИ / KEYWORDS:
solarni sistemi, off-grid napajanje, vibracioni dozatori, mehanička rezonanca, DC/DC pretvarač, DC/AC pretvarač
ПРОЈЕКАТ / ACKNOWLEDGEMENT:
Finansiranje ovog istraživanja je podržano od strane Ministarstva nauke, tehnološkog razvoja i inovacija, za period 2024-2025. (Ugovor pod evidencionim brojem 51-03-136/2025-03/200034).
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