CIGRE 35 (2021) (стр. 461-472)
АУТОР(И) / AUTHOR(S): Emilija Lukić, Isidora Dinčić, Aleksandar Milić
Е-АДРЕСА / E-MAIL: emilija.lukic505@gmail.com
DOI: 10.46793/CIGRE35.0461L
САЖЕТАК / ABSTRACT:
Konverzija energije sunčevog zračenja pomoću fotonaponskih (FN) panela jedan je od najzastupljenijih oblika ekološki prihvatljive proizvodnje električne energije. Poznato je da se modularnim pristupom pri projektovanju FN sistema ostvaruju benefiti poput veće pouzdanosti i fleksibilnosti pri povećanju ukupne instalisane snage. Uočeno je da se u zavisnosti od snage za koju se sistem projektuje sugerišu različiti modularni pristupi i topologije pretvarača. U radu je predstavljena analiza zavisnosti ukupne cene i efikasnosti pretvaračke grupe sa porastom instalisane snage elektrane. Analiza je sprovedena nad različitim modularnim pristupima i topologijama pretvarača koji u sebi sadrži visokofrekventne reaktivne elemente. Navedene topologije karakteriše velika gustina snage, efikasnost i često galvanska izolacija. U analizi je dodatno uvažena mogućnost predimenzionisanja transformatora, što je ključni faktor sa aspekta fleksibilnosti pojedinih modularnih sistema. Na osnovu sprovedene analize date su smernice za odabir optimalnog modularnog pristupa i adekvatne topologije za željenu instalisanu snagu solarne elektrane.
КЉУЧНЕ РЕЧИ / KEYWORDS:
Modularna topologija – LLC rezonantno kolo – Visokofrekventni reaktivni element – MPPT – Fotonaponski sistem
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