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iet k i e m n i n g l u p n g , d e m iai Igi I'ch k m h te, b a o v ^ m d i t r u d n g v a g d p p h a n v i o s y p h i t t r i ^ n b e n v i i n g . D i y la v a n d e d u o c d u g c t o i n t h ^ g i d i q u a n t t i m , b d i n h u c a u s d d y n g n i n g l u g n g d m d i n u d e l i t u o n g d d i c a o , r i ^ n g n i n g l u o n g d i d n c u n g cSp c h o c u d c s o n g tren the g i d i c h i ^ m g l n 1 9 % . T r o n g d d , cac n u d e p h i t t r i e n la 5 - 1 5 % ; c a c n u d e d a n g p h i t t f l g n la trSn 8 0 % . 6 V i ? t N a m , t i l§d i ^ n d a p l i n g c h o c u $ c s6ng s i n h h o ^ t c h i e m t r e n 4 0 % (theo EVN). D o d d , d e ti^'t k l § m d l § n n i n g m d t c i c h h i ^ u q u i , c h i j n g l a c a n t h a y t h e n g u o n sang t r u y e n t h d n g b i n g n g u d n s i n g L e d . U u d i ^ m c h i n h c i i a n g u d n s i n g L e d : H i ^ u s u i t n i n g l u g n g c a o d e n 2 0 0 l m A V . T u d i t h p d i i ttr 5 0 . 0 0 0 d ^ n 1 OO.OOOh ( n ^ u t h i e t ke h g p ly). C h i ^ u sang: r i n c h d n g r u n g , c h d n g v i d i p . Led s i n g t u c t h i , k h d n g c l n t h d i g i a n k h d i d d n g , u n g d y n g b^t - t i t t h u d n g x u y e n . T i n h d j n h h u d n g , c d t h e h u d n g i n h s i n g t h e o y m u 6 n , k h d n g l i n g p h i i n h s i n g . C h i s d h o i n m a u k h a c a o , t h i n t h i ^ n v d i m d i t r u d n g k h d n g c h u a t h i i y n g a n va c i c c h i ' t d d c h^i k h i e , e d k h i n i n g d i e u k h i ^ n , t y d d n g h d a , t h d n g m i n h . T u y n h i e n , b e n c a n h d d c u n g c d n h u n g nhygfc d i e m c i i a i n h sang Led n h u : CRt c h u a c a o c h f 7 0 - 8 5 % va cOng c 6 the d a t 9 0 % . C d n g s u i t Led d o n t h i p , sir d y n g n h i e u g i i t h a n h c a p , p h a m v i c h i e u s i n g n g i n . H i e n t u g n g
" Y e l l o w r i n g " - v d n g v a n g : s i c sal d o I d p p h o s p h o r k h d n g d d n g n h i t hay d o Idi ihie't k e c d c p h i n xa va t h a u k i n h . V e p h l n t i n n h i e t , Tj c a o g l i m h i e u s u ^ l sang v i g i i m t u d i t h p Led v i g i a m d ^ n 2 5 % l u p n g i n h s i n g va c d the l a m c h e t Led t r o n g m d t v i i ngay t h a y v i SO.OOOh.
C d t h ^ x e m t h i e t ke n h i ^ t la v a n d e sdng c d n d d i v d i d 6 n L e d .
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c u a Led la Life C y c l e Assessment (LCA) b a o g o m ttr k h a u v i t l i d u , c h e t a o v i l i p rap d e n , sir d u n g v i t h a i h o i . S u d u n g p h u o n g p h a p LCA d ^ so sanh 3 l o a i d ^ n la d e n soi d d t , CFL va Led v& t i e u t h u n i n g l u g n g .
Q u a p h u o n g p h i p nay, c h u n g t d i c d k^t q u i n h u sau: T h u nhat, t i 6 u t h u n i n g l u g n g t r u n g b i n h c i i a d e n Led va CFL la n h u n h a u va b i n g k h o a n g 1/4 t i e u t h y n i n g l u o n g c i i a d e n soi d o t . T h i r h a i , n ^ u n i m 2 0 1 5 d e n Led d ? t d u g c c h i t l u g n g n h u d u k i ^ n , t l ^ u t h u n i n g l i r p n g v o n g d d i c u a c h u n g se g i a m k h o i n g g i n m ^ t n u a , c d n t i e u t h y n i n g l u o n g c u a CFL t h i h a u n h u k h d n g d u g c cai l h i § n . T h y b a , g i a i d p a n "sir d u n g " c i i a c i 3 Ipai d e n t i e u t h y 9 0 % n i n g l u g n g v d n g d d i , sau d d d e n k h a u c h e t a o va v i n c h u y e n . V a n d e k h d xac d m h n h a t d d i v d i t i e u t h y n i n g luemg c u a Led n i m d k h a u c h e t ^ p h d p d d n . C i c n g h i e n c u u k h i e n h a u c h p ket q u a k h a c n h a u , tir 0,1 d e n 2 7 % n i n g l u o n g sir d u n g c h o k h a u nay.
L C A so s i n h 4 loai d e n : Sgi d o t , CFL, Led 2 0 1 2 va Led 2 0 1 7 v 4 tac d d n g m d i t r u d n g . Ket q u i t h u d u g c , n i n g l u g n g
c a c d 6 n t i e u t h y t r o n g g i a i d o a n "sir d y n g " c h i ^ m p h i n c h f n h v ^ t i c d d n g m o i t r u d n g . D o h i $ u suKt t h S p nen d^n sgi d o t t i e d o n g t i g y e y e d ^ n m d i trudng n h i e u n h a t , x6t t r g n t o a n bO 15 l i ^ u chf d u o c d a n h g i i . 0 6 n Led a n h h u d n g dfin m d i t r u d n g it h o n n h i ^ u so v d i den sgi d o t va x a p xf d ^ n CFL C d n d e n CFL i n h h u d n g d e n m d i t r u d n g n h i ^ u hem mdt c h u t so v d i Led 2 0 1 2 v l t i t c i c h i s6, trCr c h a t dOc h g i , v i Led s d d y n g bO t i n n h i e t b i n g n h d m . M d t k h i h l $ u s u i t Led d u g c n i n g c a o , k y v o n g k f c h t h u d c vd t a n n h i ^ t g i a m c Q n g n h u k h i n i n g tai c h e n h d m se t i e p t y c g i a m i n h h u d n g m d i t r u d n g c i i a L e d . N g u o n sang c d tfnh n i n g t d t n h a t la Led c h e t a o v a o n i m 2 0 1 7 , v d i tac d d n g m d i t r u d n g giam cdn 5 0 % c u a L e d 2 0 1 2 v i it h a n den CFL d e n 7 0 % .
C a c d u l i e u b a n d a u : T o n g n i n g lugng t i e u t h u c i i a V i e t N a m l i 1 0 0 T W h ; Tl p h a n n i n g l u p n g d i i n g c h o c h i ^ u sang la 0 , 3 ; G i a t r i h i ^ u s u i t t r u n g b i n h cfia c i c n g u d n sang t r u y d n t h d n g va cac g i i tri h i e u s u i t n g u o n LED k h a c n h a u : G i a trj n i n g l u o n g tidt k i g m (Twh) do sir d y n g chig'u sang L e d . N ^ u c d t h ^ n i n g
Dactnrng Cong suat tieu thu Quang thong Hieu suat Tuoithoden Tong lirang anh sang He so tac dong
Den sol dot 60 W 900 lumens
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n i m , MOt nha may dien nguyen tu hang n i m sin xuat dugc khoang 10TWh.
N i m 2020 thi phan den Led trong chieu sang dy bao 36%, n i m 2030 l i 74%.
N i m 2030 dien ning tiet ki^m do chi^u sang Led 300 TWh, tuong duong san
lyi^ng di^n cua 50 n h i may di§n cdng suit 1 OOOMW. Hda Ky thudng chiem 1/5 dS'n 1/4 nang luong tieu thu cua the gidi.
Xu hirong trpng thdi gian tdi, ngpii Igi ich ve ning lupng va mdi trudng, ngudn sang Led con co the dieu khien thdi gian thyc mot loat cac tinh ning nhu c i u true pho, phan cue, nhiet dd m i u , dieu bien theo thdi gian va hinh dang trudng xa. Ngoai ra, den Led cdn duoc
i p dung v i o cac ung dung mdi nhu ky thuit hinh anh, cdng nghd smh hoc, chim soe sue khde, giao thdng, thdng tin, ndng nghiep,... sau 10 n i m quang thdng den tang 20 Ian va gia thanh giim
10 lin.
5.2015 nniii:(ii3.ij 3 5
