SLf DUN(3 BONG DEN TIET KIEM NANG LJONG
Tang hieu qua Chieu sang, giam tieu ton dien nang
O NGUYEN KHOI
V
ya qua. tai TP. Oa Lat. Ban quan ly D u an Loai bd bdng den spi dot thdng qua viec ehuydn ddi thi trUdng ehieu sang tai Viet Nam da td chUc Hdi thao "Chuydn doi bdng den sdi dot sang bdng den tiet kiem nang lupng t r o n g n o n g nghiep". T S . Nguyen T r u n g Thang. Giam dd'c D y a n , Phd Vien trudng Vien Chien lupc, Chinh saeh tai nguyen va mdi trudng. ehd tri hdi thao.Tham d y Hpi thao ed dai dien S d NN&PTNT, Sd T N & M T tinh Lam D d n g , dai dien lanh dao Cdng ty ed phan Bdng den phfch nude Rang D d n g , Cdng ty ed phdn Bdng den Oien Quang, Hiep hpi hoa Da Lat. Trung tam Nghien cdn va phat trien cay thanh long Binh Thuan cung khoang 100 hd ndng dan trdng hoa (thanh pho Da Lat. tinh Lam Ddng) va trdng thanh long (huyen Ham Thuan Nam. tinh Binh Thuan).
TS. Nguyen Trung T h i n g cho biet, chuyen doi bdng den spi ddt sang bdng den tiet kiem nang lupng trong ndng nghiep la mdt t r o n g n h y n g hoat d p n g chinh trong Hpp phan 3 cda DU a n :
"Hinh thanh thj trudng bdng den tidt kiem nang lupng va giao dye nSng cao nhan thyc edng ddng".
D d tridn khat hoat ddng nay, D u an da thi didm ho trp 3.300 bdng d6n compact chdng d m cho 10 hd gia dinh trdng thanh long vdi quy
md 3 ha tai huyen Ham Thuan Nam, tinh Binh Thuan va ho trp 2.500 bdng den compact chdng am cho 17 hp trdng hoa cdc vdi quy md 2 ha tai thanh phd Oa Lat.
Tai Hpi thao, dai dien ba con ndng dan trdng hoa cue va thanh long danh gia, quyet djnh chuyen ddt t y den spi ddt sang s y dung den compact trong ehieu sang ndng nghiep la quydt djnh hoan toan dung dan. Dai dien hp dan trdng hoa cue tai Oa Lat, dng Le v a n Lien ehia se, gia dinh dng da s y d y n g den compact trong chieu sang cho hoa tU nam 2008. "Toi da SI? dung den compact cOa nhiSu hing nhu Rang Ddng, Dien Quang, Phillips va ca hing cd ngudn gd'c Trung Quoc. Nhtmg
sau thdi gian dai sd* dung, tdi nhan thay den cda Trung Qudc gia thinh rat re nhimg nhanh hdng, cdn den cCia Dien Quang hay Rang Dong cd uu diem li thich hgp thip sang ngoii trdi, do ben cao, cac bd phan di cung cd hdng d§ thay thd' - Ong Lien cho hay.
Dai dien lang hoa Thai Phien tai D a Lat c u n g khang djnh:
Ddng den tiet kiem nang lupng trong chieu sang cho hoa gidp cac hp gia dinh trdng hoa tiet kiem dugc ehi phi khdng nho hang thang eho dien. Do do, den nay 100% hd dan trong lang hoa da bo b d n g den spi dot va ehuyen sang dung den tiet kiem n a n g l u p n g . Tuy nhien, trung
To! n a u v e n v a MAI triJonn I Kv 2 - Th^na 12/2B13 C l
binh mdi hd trdng hoa phai dung ty 400 den 1.000 bdng den tiet kiem nang lupng de ehieu sang, ehi phf ban dau mua bdng den kha idn. Lang hoa cung de xuat nha san xuat cd hd trp gia mua den cho ba eon ndng dan.
odng quan diem vdi nhyng hp dan trdng hoa cdc (Da Lat).
dai dien hd dan trdng thanh long (Binh Thuan) eung cho rang, viec chuyen doi ty bdng den spi dot sang bdng den compact la quyet djnh dung dan. Nha't la sau khi cd sy hd trp ty Du an cho 3 ha thanh long thude xa Ham Cudng va Ham Kiem da giup cho mdt sd hp tham gia md hinh khdng cd kha nang dau tU cd cd hdi dUdc sb dung bdng den com- pact nhu nhyng hd khac. Qua dd, giup ngudi dan tutin hon khi thyc hien viec ehuyen doi tU bdng den spi dot sang bdng den compact.
Ba Dao Thj Kim Dung, Giam dd'c Trung tam Nghien cdn va Phat tridn cay thanh long, Sd NN&PTNT tinh Binh Thuan eho biet, trUde day hau het ngudi trdng thanh long trong tinh deu sy dung bdng den spi dot ed cdng suat BOW, tham chi cd hd sy dung bdng 75W de xb ly eho cay ra hoa trai vy. Gan day. khi cay thanh long trd thanh cay lam giau. giup eho nhieu hd dan vUdn len thoat ngheo lue dien tfch trdng mdi nam cda tinh cao hdn so vdi kd hoach. Neu nam 2007, toan tinh chl cd 8.993 ha thi den eudi nam 2013 toan tinh da cd 20.186 ha tang gap 2,24 lan so vdl nam 2007. Vi vay, bUde vao giai doan chong den hang nam. ludi dien cda Binh Thuan thudng xuyen xay ra tinh trang tyt ap, gay mat dien cue bd lam anh hucing nhieu den san xua't va sinh hoat cda ngUdi
dan. Di thich yng vdi thue td ngudi san xua't eung da cd nhung thay ddi nhu: Thay ddi dien tich dua vao chong den ci mdi dpt trong. Neu trUde day ngUdi san xuat sd" dyng bdng den sdi dot 60W va thue hien 02 ddt chong/
vu eho toan vudn, khi bi eat giam 50% binh hoac phai thyc hien nhieu lan chong/ vu neu sd" dung bdng den spi dot hoae phai thay ddi edng sua't cda bdng den tye la ehuyen ddi ty viec sy dyng bdng den spi dot 60W sang sb dung bdng den compact 20W. Viec chuyen ddi nay sau mdt thdi gian giup ba con sy dyng bdng den compact ehieu sang de kich thfeh thanh long ra hoa trai vy, kdt qua thu dupe, trung binh mdi hp tiet kiem dupe 1.742.400 ddng/vy.
Nhu vay, moi ha sy dung bdng den compact tiet kiem dugc 8.712.000 ddng nam tien dien thap sang. Tuy nhien, ba eon vln ehua ed kien thyc khoa hpe trong viee sy dung bao nhieu bdng den/ha, khoang each mdi bdng den dai bao nhieu met... Thye te, hien nay ngudi dan trdng thanh long van ehi chong den bang kinh nghiem "canh thdi tidt".
Trude nhCmg y kien. de xua't cda dai hien nhdng hd dan. Giam dd'c Dy an Nguydn Trung Thang eho rang, hoat ddng thf diem cda Dy an Loai bd bdng den spi dot thdng qua viec ehuyen ddi thj trudng ehieu sang tai Viet Nam dd'i vdi mdt sd hp trdng hoa cue va thanh long da cho kdt qua rat dang mdng. Day la eO sd de md rpng quy md sy dung bdng den tiet kiem nang lupng tai dja phuong. Nhung de xua't. kien nghj cda ngUdi dan chd yeu ve hd trp ky thuat sy dung bdng den dat hieu qua chieu sang eao nhat eung nhU dupe hd trd ve gia da
dupc cac nha san xua't Rang Dong va Dien Quang trao ddi, glai thfeh ngay tai Hdi thao.
Chuyen vien PR cda Cdng ty Cd phan Dien Quang nhat tri v6i de xuat eda ba eon va cho biet, ba con hay dang ky mua bdng den qua Hidp hdi. Cty se ehuyen den xudng tan nOi cho ba eon dong thdi ho trp gia va ky thuat tdi da eho ba con.
Oai dien cda Cdng ty Cd phan Rang Ddng cung ehia se:
Dd'i vdi 18.000 ha thanh long ci Binh Thuan, theo nghien cdu ciia Cty: Neu thay the toan bd 18.000 ha bang bdng den compact 20W thi lupng dien nang tieu thu giam gan 66%, tudng dUdng vdi 128300MWh trong 1 nam.
Tai Binh Thuan ed tren 30%
den trdn 60W, 75W da thay the bang den compact 20W, trong do 60% - 65% la bdng den compact ehuyen dung cda Rang Odng.
Tai tinh Lam Ddng dien tich trdng cay hoa cue tren 2000 ha, trudc day ba con sy dung den day tdc 75W, 100W trong nhan gidng ngat ngpn va trdng hoa cat canh.
Chi phf dien nang chong den trong gia thanh eao. viec tieu ton dien nang qua Idn han ehd phat tridn va han che lOl nhuan cOa ngudi trdng hoa.
Viec nghien cyu thiet bj chieu sang ehuyen dung khd'ng ehe thdi gian ra hoa trong san xuat hoa cdc noi rieng va cay trong noi chung la van de bye xuc.
Hien nay. Da Lat ed tren 90%
den trdn 60W. 75W va 100W da thay the bang den compact 20W.
trong do: 60% - 70% la bdng den compact chuyen dyng cda Rang Odng eho thay lupng tieu thy dien nang giam gan 40% tuong dUOng vdi 7296 MWh trong 1 nSm."
R? Tai nauven va Moi traana ! Kif 2 - Ttidna 12/2013