Xuyin tap Cdng trinh Hpi nghi Khoa hpc Cff hoc Thuy khi Todn qudc, Phan Thiet, 2008 289 iTng dung cac nguon nang luo ng moi va tai tao de cung cap dien nang cho cac vung dao Le Danh Lien Trudng Dcii h[.]
Xuyin tap Cdng trinh Hpi nghi Khoa hpc Cff hoc Thuy Todn qudc, Phan Thiet, 2008 289 iTng dung cac nguon nang luo-ng moi va tai tao de cung cap dien nang cho cac vung dao Le Danh Lien Trudng Dcii hoc bdeh khoa Hd ndi Tdm tdt: Trong bdi ndy phdn dnh tinh hinh thirc te cua viec cung cdp vd su dung dien a cdc vimg ddo ddnh gid tiem ndng vd vi tri cdc ngudn ndng lugng mdi vd de xudt cdc phuang dn sdn xudt cung cdp dien ndng cho ddn cu tren ddo Trong do, viec irng dung cdc ngudn ndng lugng mdi vd tdi tgo nhu ndng lugng mat trdi, ndng lugng gid vd ndng lugng thuy trieu cd vai trd het sire quan trgng vd cd khd ndng khai thdc sir dung Application of new and renewable energy to make electrical power for the people living in archipelago Abstract: The paper presents the current status of electrical power supply and application in archipelago Potential new and renewable energy resource has been discussed, various methods of energy production for the Islanders have been proposed With the current technological development, application of new and renewable energies including wind energy, tide energy and solar energy will be more vital from practical application point of views \ Tinh hinh san xuat va su- dung dien nang tren cac dao Tren cdc dao xa ddt lien viec tao ngudn dien cung cap cho dan cu tren ddo Id bet sire khd khdn Viec keo dien ludi ddo bdu nhu khdng khd tbi De cung cdp dien cho dan cu tren ddo hien tai chii ylu chi dya vao nguon dien diezel Song chi phi de san xudt di?n diezel la kha cao phdi su dung nhien lieu la cdc loai ddu khoang, Hon nu-a viec van chuyen nhien lieu ddo ciing khd tdn kem Theo kit qud khdo sdt cua chung tdi (nam 2006 - 2007) tai cdc xa dao Quan Lan, Minh Chdu, Nggc Virng thugc huyen Vdn Don Qudng Ninh, ngudi ddn phdi mua dien vdi gia tir 7.000 den 8.000d/lkWh, Han nira thai gian duac cung cdp dien chi tir I8h den 2lh Ngudn dien cac chu tu nhdn tren ddo ddu tu ban dien Mgt sd rat it hg gia dinh dugc sir dyng ngudn ndng lugng mat trdi cdc dy dn thu nghiem cua cdc Trung tdm va Vien Nghien ciru vdi sy ho tra kinh phi ciia Nhd nude vd nude ngodi tbirc hien Dl cung cdp dien cho ddn cu tren ddo mgt each dn dinh vdi cdng sudt yeu cau can phdi khai thdc cac ngudn ndng lugng tai chd - dd la cac ngudn ndng lugng mdi vd tdi tao, gdm: ndng lugng mat trdi, nang lugng gid vd ndng lugng thuy tneu Kha nang iing dung cac nguon nang luong moi va tai tao de cung cap dien nang cho dan cu tren dao Ung dung cdc ngudn ndng luong m&i va tdi lao de cung cdp dien nans cho cdc viing ddo Theo kit qud khao sat cua Vien Ndng lugng, cho din thdi dilm 2006 Viet Nam moi khai thac dugc 25% ngudn ndng lugng tai tao, phdn lan la thuy dien nhd, lai 75% van chua dugc khai thac Ndng luong mdt trdi la ngudn nang lugng sach, khong gay d nhilm mdi trudng Tren ca hai miln dit nude dIu cd tdng sd gid ndng cao vdi ndng lugng buc xa klia^ldn Viec tan dung ngudn nang luong mat trdi dl phdt dien la hoan loan hien thyc, nhien gia cdn rdt cao (gdp khoang 10 Idn so vdi gid thdnh thuy dien) Ngodi kbi su dung ngudn nang lugng mdt irdi phdi luu y mgt ddc diem Id, ndng chi cd vdo ban ngdy, cdn vdo mua ddng vd miia xudn thuang it ndng Vi vay de cung cap ngudn dien mgt each lien luc cdn pbdi ket hgp vdi cdc nguon nang lugng khac va co cac giai phdp tich trii nang lugng Nang luang gid cQng la mgt ngudn nang lugng cd nhieu tnen vgng Viet nam ndm d khu vyc gdn xich dao khoang 8° din 23^^ vT Bdc thugc khu vyc • nhiet ddi gid miia, Gid d Viet nam cd hai miia rd ret: Gid Ddng bdc va gid Ddng nam vdi tdc gid trung binh d viing ven biln tir 4,5 din m/s (d cao 10 ^ 12m) Tai cdc ddo xa tdc gid tdi ^ -r 8m/s Nhu vay khdng cao bdng tdc gid d cdc nude Bdc Au d vT cao nhung ciing ; du Idn dl su dung ddng ca gid cd hieu qud g •is Cdn d cdc viing ddng bdng toe gid nhd ban ^ m/s, dd viec sir dung dgng co | gid se khdng cd hieu qud cao d cdc viing mil tic gid cdn thap ban trir mgt vai vimg niii •; cao va nhung noi cd dia thi dac biet tao nhung hanh lang hut gid \ Mgt dac dilm nua cua gid Viet nam la hang nam cd nhilu bao manh kem theo gio ,; giat dd bg vdo miln Bdc vd miln Trung, Toe gid cue dai duac cdc can bao t?i ; Viet nam dat tdi 45 nVs (bao cdp 14) Vi vay klii nghien cuu ung dyng dgng ca gid d Viet I nam phdi chu y chdng bao vd loc Tilm ndng gid cua Viet nam cd thi ddnh gid thdng qua cac so lieu ve gid cua Cue Khi tugng Thuy van (xem bang 1) Bdng Diic trung phdn hd ndng lugng gid d Viet Nam (tren dp cao Z = 12m vd Z = 50m) Dia phuang Tdc trung binh Vlb Mat dd cdng sudt gid (m/s) (W/nf) Z = 12m Z= 12m Mat dd ndng lugng nam E (kWh/mf Toe trung binh Vtb Mat cdng sudt gid Mat nang lugng nam E (m/s) (W/m^) (kJVJi/m-) Z = 50m Z = 50m Z = 50m Z = 12m Lai Chdu 2,0 22,5 131,8 2,7 55,36 324,28 Pha Din 3.2 _ 751,1 4,2 _ 1698,23 _ Thai Nguyen 2,3 _ 154,3 3,0 _ 342,41 _ Lang San 2,7 - 379,2 3,6 _ 898,84 _ Le Danh Lien 291 Ddo Cd Td 4,4 - 1,317,9 5,8 Bai Chdy 3,3 64,0 562 4,4 151,70 1332,15 Ha Ndi 2,5 24,2 212,4 3,3 55,66 488,51 Bach Long VT 7,3 119,0 4,487,0 9,7 279,18 10526,95 Nam Dinh 3,6 72,0 631,0 4,8 170,67 1495,70 Van Ly 4,3 72,0 933,5 5,7 167,71 2174,37 Thanh Hda 2,6 29,5 259,0 3,4 65,97 579,18 Ddng Hdi 3,9 108,6 952,0 5,2 257,42 2256,59 Quy Nhon 4,1 106,6 935,0 5,4 243,55 2136,20 Cam Ranh 4,2 124,3 1065,7 5,6 294,64 2526,10 Ddo Phu Quy 6,8 108,0 3554,2 9,0 250,39 8240,29 Play Ku 3,1 69,6 610,0 4,1 161.02 1411,22 Dd Lat 3,0 66,2 580,0 4,0 156,92 1374,81 Tdy Ninh 2,4 _ 179,3 3,2 _ 425,01 Tdn Son Nhdt 3,2 56,1 492,0 4,2 126,84 1112,40 Vung Tdu 3,9 101,1 886,0 5,2 239,64 2100,15 Sdc Trang 2,7 49,2 431,0 3,6 116,62 1021,63 Phu Qudc 3,7 97,5 855,0 4,9 226,46 1985,86 Rach Gia 3,2 47,7 476,0 4,2 107,17 1076,23 Bac Lieu 2,8 383,5 3,7 - 884,90 Trudng Sa 6,3 8,4 727,94 6381,04 307,1 2,692,0 3018,62 Tir bdng ta thdy rdng, tai cdc viing ddo va voing ven bien cd van tdc gid tuong doi cao, mat ndng lugng gid tuong dii Idn, cd ibl sir dung cac may phat dicn bang sire gid de cung cdp ndng luang dien cho cu ddn dia phuang, Theo sd lieu cua Ngdn hdng Thi gidi, tilm ndng gid cua mgt so nude vung_ Dong Nam d, dd cd Viet Nam, thi tilm ndng gid ciia Viet Nam (tren cao 65m) rdt khd quan, Idn ban so vdi cac nude Idn can nhu Cdm Pu Chia, Lao, Thai Lan (xem bang 2) Theo sd lieu tdng tilm ndng dicn gid cua Vict Nam udc dat 513.360MW, Idn ban 200 Idn cdng sudt Nha may Thuy dien Son La va hon 10 lan tdng cdng sudt dy bao cua ngdnh dien vdo nam 2020 Tuy nhien ddy mdi chi Id tilm ndng ly thuylt Tilm nang cd the khai thdc dugc va tilm nang kinh tl ky thudt sc nhd han nhilu Song ddy se la mgt nguon nang lugng tiem ling dung cdc ngudn ndng luang m&i vd tdi tao de cung cdp dien ndng cho cdc viing ddo 292 ndng dang kl cd thi khai thac bd sung cho ngudn dien quoc gia, thay the cho cdc ngudn ndng luang hda thach ngdy cang can kiet Bdng Tiem ndng ve ndng luong gid cua Ddng Nam a (& cao 65m) Qudc gia Ylu Trung binh Tdt Rdt tdt Ly tudng < m/s 6-7m/s 7-8in/'s 8-9m/s >9m/ s Dicn tich, km^ 175.468 6.155 315 30 Dicn tich, % 96,4 3,4 0,2 0 Tiem nang (MW) NA 24.620 1.260 120 Dien tich, km^ 184.511 38.787 6.070 671 35 Dien tich, % 80,2 16,9 2,6 0,3 Tiem ndng (MW) NA 155.148 24.280 2.684 140 Dicn tich, km^ 477.157 37.337 748 13 Dien tich, % 92,6 7,2 0,2 0 Tiem ndng (MW) NA 149.348 2.992 52 Dien tich, km^ 197.342 100.361 25.679 2.178 113 Dicn tich, % 60,6 30,8 7,9 0,7 Tiem ndng (MW) NA 401.444 102.716 8.748 452 Cac thdng sd khao sat Cam PuChia Ldo Thai Lan Viet Nam Tdng - 26,000 182.252 152.392 513.360 Ndng lugng thuy dicn nhd cung la mdt ngudn ndng lugng tai tao de sir dung vd cd hieu qua kinh te cao Tuy nhien a cdc vimg dao khdng cd cdc sdng sudi vdi ngudn thuy ndng ddi ddo, nen a cac vimg ddo ehi cd thi xdy dung cac nha mdy thuy dien nhd dimg ndng lugng thuy trieu _ Ngudn ndng lugng thuy tricu d cac vung ven biln va hai ddo la nguon ndng lugng co tiein ndng rdt Idn Ddy cung la mgt nguon ndng lugng sach, than thien mdi trudng, mot ngudn ndng lugng rat phong phu, gid re, cd khd ndng khai thdc Ddc biet ddi vdi cdc vimg ven bien vd hdi dao, ddy la nguon ndng lugng tilm nang nhat, dn dinh vd cd kha nang khai thac hicu qud cao Bang dudi day gidi thieu myc nude thuy trilu Idn nhdt nhilu nam tai mgt s6 khu vuc ven bien Viet Nam cd myc nude thuy trilu cao Tir bdng ta nhdn thdy rdng, thuy trieu d Viet Nam cd cac che trilu vd cac dang trilu khac iTg Danh Lien 293 Chdng ban, t^i Cua Ong, Hdng Gai, Hdi Phong la chl nhat trilu dIu, d Thanh Hoa'nhdt trieu khdng deu, cdn d Vung Tau la bdn nhdt trieu khdng dIu ! Cdc ket qud dac thdng ke cho thay, chenh myc nude thuy trilu d ven biln nude ta nrong ddi Idn, trung binh khodng 1,5m, tai Hdn gai Id 2,06m, Idn nhdt la 4,7m Bdng Muc nu&c thuy trieu l&n nhdt nhieu ndm lgi mdt sd khu vuc ven biin Viet Nam cd mire nu&c trieu cao Dia phuong Cira Ong Hdng Gai Hdi Phdng Thanh Hod Vung Tdu che trieu Nhdt trieu deu Nhat trieu dcu Nhat trieu deu Nhdt tricu khdng dcu Ban nhdt tricu khdng dcu Tri sd Idn nhdt nhieu nam (m) 4,7 4,3 4,0 Ghi chu 3,8 4,2 Do cao thuy tricu d ven bien nude ta ciing bien ddng theo vT vd dia ly timg viing Tai Cira Ong bien trieu dat tdi 4,7in, tai Hdng Gai - 4,3m, Hai Phdng 4,0m Trong tai Cira Ranh bien trieu chi dat 2,lin , Cira Timg - 1,4m, Da ndng - 1,6m, Quy Nhan -2,3m, Ha Tien - 1,7m, Song tai Viing Tdu bien trieu lai dat tdi 4,2m Nhin chung, cao thuy trieu dat trj sd Idn nhat d Vinh Bdc Bg Ddng thdi che trieu d khu vuc la nhdt trieu thudn nlidl, bdu het sd ngdy thang, tren dudi 26 ngay, chi cd mgt Idn nude Idn va mgt Idn nude rdng Vdi mirc nude thuy trilu nhu tren hodn loan cd the lgi dyng ibiiy tneu de xdy dyng cac nhd may phdt dicn diing sue nude thuy trieu Nhilu nude tren thi gidi nhu Nga, Trung Qudc, Phdp cung da xay dyng cac nha may dien thiiy trilu, cdng sudt dat tdi hdng nghin kW, nhu nha rnay dien thuy trieu La Ranee gdn St Malo vdi cdng sudt 240MW, gdm 24 td mdy, san lugng dien bang ndm 544.10* kWh Tai Nga cung xdy dyng cdc nha may dicn thuy trieu Idn nhu nha may d Vinh Lumbdvxki vdi cdng sudt 5,2MW/ ltd mdy (gom 64 id) Tai ddy cao thuy trieu trung binh la 4,2m D I tao cot nude chay tua bin thuy dien ngudi ta xdy dyng cdc dap ngan nude thuy trilu Tua bin cd thi lam vice theo hai chilu Cdc tua bin dugc irng dyng lhudng_ Id tua bin budng true cot nude thdp dang id ken bao kin, dat ngdp nude, Vdi ket cdu nhu vay, tan dung dugc cot nude dia hinh thdp de phdt dien, tiet kicm dugc chi phi xdy dung, tdng khd ndng thoat cua td mdy Mgt sd cdc ddo nhu ddo Nggc Virng, Minh Chdu, Quan Lan, a huyen Van Don Qudng Ninh cd dien tich rgng vd ddn cu tuong ddi ddng due Tai cac dao cd nhieu ddm, phd tu nhien vd nhdn tao cd thi tan dyng xdy dyng hi chira nude vdi chi phi thdp de chay may phat dien thuy trieu rdt thudn Igi Ndi chung vdi cdc ddo nlu cd cdc vung eo biln ty nhien cira vdo hep thi dd se la dieu kien thudn Ipi dd xay dyng cdc tram phdt dien thiiy trieu Ung dung cdc ngudn ndng lugng m&i vd Idi tao de cans cdp dien nans cho cdc vims ddr^ 294 Tram phat dien thuy trieu cd uu diem la ngudn nang lugng tuang ddi In dinh mac dii thuy trieu thay ddi theo thdi gian, cd the xdy dyng tram thuy dien vdi cdng sudt tuang ddi Idn du phyc vy cho nhu cdu diing dicn cua cu ddn tren ddo Van dl d ddy la phai lya chgn dugc phuang an xdy dung tram dien thuy trilu hop ly, lua chgn loai mdy vdi cdng sudt thich hgp, may mdc thiet bi phdi cd klia ndng chiu duac mdi trudng nude man, van bdnh thudn tien, gid thdnh hgp ly thi mdi cd thi ddy manh duac viec khai thdc vd irng dyng dien thuy tricu phyc vy san xudt vd ddi sdng cua cu ddn tren ddo, nliam ddng gdp cho sy pbat trien kinh te vd cung cd qudc phdng, bdo ve viing lanh thi tren bien cua Td quoc De xuat cac phuong an san xuat cung cap dien nang cho dan cu-tren cac dao De tao ngudn cung cap dien nang eho cu ddn tren cac viing ddo cdn phai kit hgp cac ngudn nang lugng khdc nhau, bao gdm dien diezel kit hgp vdi cac ngudn nang lugng mdi vd tai tao Cac ngudn ndng luang mdi vd tdi tao nhu nang luang mat trdi, nang lugng gid va ndng lugng thuy trieu deu khdng lien tyc 24/24 vd khdng cd dIu suit 30 ngdy thdng cung nhu 12 thang nam Vi vay phai cd su bd trg lan giua cdc ngudn nang lugng vd phdi cd thict bi tich trir dieu hda ndng lugng Tren co sd thyc te cua tung vimg dao cd the dl xudt cdc phuang dn sau: Phuang dn Sir dving dien diezel kit hpp dicn mat trai Dien mat trdi dugc san xudt nhd cdc tl bao (pin) quang dien Cac pin quang dien dugc lap_thdnh tirng tam rgng 0,5 din nr Cdng sudt moi tdm thudng tir 50 din 75W Ghep nhieu tdm vdi ta se cd ngudn phat dien vdi cdng sudt tiiy y Tuy nhien sd tdm ghep (cung nhu cdng sudt) bi gidi ban bdi dilu kien dia hinh thuc tl tai moi nai, dilu kien bdo ve chdng bao vd dac biet gid rdt cao cua cdc lam pin quang dien Pin quang dien chi cung cdp dien trdi cd ndng Ndng vdi hire xa cdng cao thi dien nang sdn xudt cdng Idn Nhung khdng cd ndng nhu ban dem, trdi nhilu mdy, mua, se khong^co dien Bdi vay di kem vdi cac tdm pin nang lugng mat trdi thudng phdi sir dung dc quy de tich nap dien trdi nang vd cdp bu trdi khdng ndng Sa dl cua mdt he'thing dien mat troi dgc lap dimg pin nang lugng dugc gidi thieu tren hinh I dudi ddy Dan PMT J > Bd dicu khien i -A Tai DC ^-^ P - ' r Ai^ f i i i v n " j Hinh Sa khdi tdng qudt mdi he ihdng dien mat trdi ddc lap dung pin ndng lirong Vdi he thdng nlu nhu trdi khdng ndng keo dai se khdng du dien cdp cho nhu cdu su dyng dien cua hg tieu thy Vi vay cdn phai kit hgp vdi mgt ngudn diezel May phdt dien J le Danh Lien -,QC diezel se cap dien song song cho be thdng Khi thieu dien hoac khdng cd dien mat trdi may phdt dien diezel se boat dgng cap dien bii vdo he thong Phirang dn Sir dung difn diezel kit hpp vdi difn gid May phdt dien diing sire gid chi boat dgng cd gid, Cdng sudt mdy phdt dien gid phy thugc vdo cap gid Gid cd van tdc cang Idn thi dien phdt cang nhieu, Tuy nhien cdng sudt gid cung bi gidi ban bdi cdng sudt thiet ke cua may Khi van tic gid vugt qud gidi han cho phep thi gdc cdnh quat sc dugc dieu chinh khep bdl lai dl cdng sudt phdt khdng vugt qud gidi ban cho phep (thudng Id theo ben ciia thiet bi) Nhu ta biet van tdc gid thudng bien ddi theo thai gian ngay, miia Vi vay cdng sudt dien phdt cung khdng lien tyc De cho he thing thudng xuyen cung cap dien tdi cdc hg lieu thy tbi phdi ket hgp vdi mdy phdt dien diezel Mdy phdt dien diezel se boat dgng song song ciing vdi may phat gid, cap dicn cho be thong may phdt gid khdng phat du cdng sudt hoac khdng lam vice Phuang dn Su- dung Tram dien thuy trieu ket hap vdi mdy phdt dien dic'zel Phuang dn chi dp dung cho cdc ddo cd dieu kien thudn lgi de xdy dyng tram dien thuy trieu, nhu: ddo ndm viing cd thuy trieu cao (nhu Qudng Ninh, Hdi Phdng, Thanh Hda, Vung Tdu) va tren ddo cd cdc viing tu nhien thdng vdi bicn qua mgt cira hep Dieu kien se gidm chi phi rdt nhicu cho vice xdy dyng cdng trinh tram dien thiiy tricu Thiiy trieu mgt ngdy thudng mgt Ian len vd mdt Idn xudng (cung cd hai Idn len vd hai Id xudng - vung ban nhdt tricu), bdi vay cdc tram phat dien thuy tricu ciing khong phat dicn lien tyc 24 gid ngdy Hon nira cdc thang thuy trieu Icn xudng ciing khdc nhau, Bdi vay cdn cd mdy phat dien diezel boat ddng song song mdi dam bdo cap dien lien tyc cho cdc hg tieu thy Phuang dn Sir dung ket hap hai dang ndng luong mdi nhu: Mat trdi vd gid, mat trdi vd ndng luang thuy trieu hay gid vd ndng luang thuy trieu Ddy Id phuang an su dyng ndng luang tdi tao rat hieu qua Tuy nhien gid thdnh ddu tu ban ddu cdn qud cao Bdi vay de gidm chi phi ddu lu ban ddu nen su dyng ba phuong an ddu, sir dung kit hgp ngudn nang lugng diezel vdi mgt ba dang nang lugng mdi, Khi sir dyng cdc ngudn ndng lugng mdi chi phi xdy dyng va gid thiet bi deu rdt cao, vay cdn tinh todn can nhdc thco yeu cdu vd dieu kicn sir dung de cd dugc hieu qud cao nhdt Vi du: - Gia thdnh ting thi tren mgt don vi cdng suat cua tram dien mat trdi khodng 15.000 USD/1 kW theo thdi gid hien nay, - Ddi vdi tram dien gid cung khoang 2000 USD/1 kW Dii vdi tram dicn gid cdng sudt Idn gid thdnh se gidm dang kl, chi bang (65 - 75)% gia thdnh cua cdc tram dien gid cdng sudt nhd, - Ddi vdi tram dien thuy trilu- tiiy thugc dilu kien xdy dyng tram gid thdnh ddu tu cung khodng 1500 USD/1 kW Tdm lai dilu kien cho phep la cd tbi su dyng mgt bon phuang an ke tren dl sdn xuat va cung cap dien cho ddn cu tren cac ddo Trong dd phuang dn la phuang an cd gid thdnh cao nhung thuc hicn dc dang ban, Tuy nbicn dc tram dicn mat trdi - diezel 296 Ung dung cdc ngudn ndng luang rn&i vd tdi tao de cung cdp dien nans cho cdc viins ddr^ boat dgng thudng xuycn lien luc phai chgn cac thiet bi cd ben cao vd phdi cham sdc thudng xuyen cho he thdng Tai lieu tham khao: [1] Tong cue Klii tugng Thuy Van, Vicn Khi tugng Thiiy Van Bao cao khoa hoc, dl tai: "So tra cim sd lieu Birc xa vd gid" ma so 52C.0I.0I, Phan sd lieu gio Ha ngi, 1988 [2] Bao cao tong ket KH \a KT dc tai KC-07-04, "Nghien ciru lira chgn cdng nghe vd thiit bi de khai thdc vd sir dung cdc logl ndng lugng lai tgo che bien ndng- lam- thuv sdn sinh hoat vd bao ve mdi truirng ndng thdn ", Phan Nang lugng gid TP, H6 Chl minh 12/2003 [3] VQ Nhu Hoan, "Thuy trieu a ven bien Viet Nam ", 2000, [4] Dam Quang Minh, VQ Thanh Ty Anh "Ndng lugng gid cua Viet Nam, tiem ndng vd triin vgng" Tap ehi Tia s a n g - tiasang,com,\n, [5] VQ Thanh Ty Anh, Dam Quang Minh, "Phdt trien ndng luang gid- kinh nghiem ciia mgt TO nude" Bai tir lu sach khoa hoc VLOS (bao dicn tir) ... ddng gdp cho sy pbat trien kinh te vd cung cd qudc phdng, bdo ve viing lanh thi tren bien cua Td quoc De xuat cac phuong an san xuat cung cap dien nang cho dan cu-tren cac dao De tao ngudn cung cap... cdc ngudn ndng luang m&i vd tdi tao de cung cdp dien ndng cho cdc viing ddo 292 ndng dang kl cd thi khai thac bd sung cho ngudn dien quoc gia, thay the cho cdc ngudn ndng luang hda thach ngdy... kien xdy dyng tram gid thdnh ddu tu cung khodng 1500 USD/1 kW Tdm lai dilu kien cho phep la cd tbi su dyng mgt bon phuang an ke tren dl sdn xuat va cung cap dien cho ddn cu tren cac ddo Trong dd