De s i g no fHy b r i dSy s t e m f o rBa t t e r yCh a r g e · Di s c h a r g e u s i n gP h o t o v o l t a i c / Fu e lc e l l 박봉희* ․조영민* ․최주엽* †․조상윤* ․최익* * ․이동하* * * ․ P a r kB o n g -H e e * ,J oY e o n g -mi n * ,Ch o i J u -Y e o p * †, C h oS a n g -Y o o n * ,C h o yI c k * *a n dL e eD o n g -H a * * * ( S u b mi td a t e:2 0 1 4 .5 .2 5 . ,J u d g me n td a t e:2 0 1 4 .6 .1 1 . ,P u b l i c a t i o nd e c i d ed a t e:2 0 1 4 .1 0 .3 1 . ) Abstract : P h o t o v o l t a i ca n df u e lc e l ls y s t e msc a nb eu s e da sp o we rs o u r c ei nmo b i l er o b o t s .Att h i st i met h e p h o t o v o l t a i cs y s t e m g e n e r a l l yg e n e r a t ep o we ri nd a y t i me . Th es t a r t i n gt i meo ff u e l c e l l i ss l o we rt h a nt h el i t h i u m b a t t e r y .To c o mp e n s a t e f o rt h e s e d i s a d v a n t a g e s ,a b a t t e r y c h a r g e -d i s c h a r g e s y s t e m i s u s e d .E s p e c i a l l y t h e b i -d i r e c t i o n a lc o n v e r t e ri s u s e d ma i n l y i n t h ec h a r g e -d i s c h a r g e me t h o d .Th ec o n t r o l l e ri n a b u c k c o n v e r t e rc o n t r o l st h ei n p u tv o l t a g eo ft h ec o n v e r t e rt ome e tt h ema x i mu m p o we rp o i n tt r a c k i n g ( MP P T)p e r f o r ma n c e . F i r s t o fa l l , t h es i mu l a t i o n so fh y b r i ds y s t e m f o rb a t t e r yc h a r g e -d i s c h a r g es y s t e m i ne a c hs t e ps i mu l a t e du s i n gs o l a r a n df u e lc e l lmo d e l i n ga si n p u ts o u r c ei nP S I M.E x p e r i me n to ft h eb u c ka n db i -d i r e c t i o n a lc o n v e r t e rs y s t e m i s [논문] 한국태양에너지학회 논문집
td a t e:2 0 1 3 .1 2 .1 . ,J u d g me n td a t e:2 0 1 3 .1 2 .9 . ,P u b l i c a t i o nd e c i d ed a t e:2 0 1 4 .2 .1 8 . )Abstract : Th i sp a p e rp r o p o s e samo d e l i n g o ff u e lc e l lwh i c hr e p l a c e sd cs o u r c ed u r i n g s i mu l a t i o n .F u e lc e l l s a r ee l e c t r o c h e mi c a ld e v i c e st h a tc o n v e r tc h e mi c a le n e r g yi nf u e l si n t oe l e c t r i c a le n e r g y .Th i ss y s t e m h a sh i g h e f f i c i e n c y a n d h e a t , n o e n v i r o n me n t a l c h e mi c a l p o l l u t i o n s a n d n o i s e . P r o t o n e x c h a n g e me mb r a n e f u e l c e l l s ( P E MF C ) a r e c o mmo n l y u s e d a s a r e s i d e n t i a l g e n e r a t o r .Th e s e f u e l c e l l s h a v e d i f f e r e n t e l e c t r i c a l c h a r a c t e r i s t i c s s u c h a s a l o w v o l t a g e a n d h i g h c u r r e n tc o mp a r e d wi t h s o l a rc e l l s .An d t h e r e a r e d i f f e r e n tb e h a v i o r s i n t h e V-Ic u r v e i n t h e t e mp e r a t u r e a n d p r e s s u r e .Th e r e f o r e ,t h e mo d e l i n g o ff u e lc e l ls h o u l d c o n s i d e rwi d ev o l t a g er a n g ea n d s l o w c u r r e n tr e s p o n s ea n d t h er e s u l t i n g e l e c t r i c a lmo d e li sa p p l i e d t ob o o s t c o n v e r t e rwi t hf u e lc e l la sa ni n p u ts o u r c e .
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