E] KHOA HQC - CONG NGHf: -Tirviec danh gia loi (ch kinh td sO" dung TCSC duoc md phdng vf du cua he thong dien nut vdi he so sCf dung la g i i dmh Vdi cac thiet bi FACTS khic each thu'c tfnh cung tuang tu - Ngoii i n h hUdng cCia thiet bi FACTS den he thdng dien nhU: Cd the tang k h i ning t i i cua cic dUdng day den gidi han nhiet n g i n han v i theo miia; Tang duac dn dinh ddng, on dinh tinh, g i i m ddng n g i n mach v i qua t i i , ngan chan dUdc sU cd lan truyen, l i m g i i m cic dao ddng cd dien va dien tii x i y he thdng di§n; D i m b i o an toan cho eac dudng day lien viing Ddng thdi cdn nang eao hieu q u i kinh te cCia thi trudng dien mdt ludi di^n xiy mach -Tirvfdu tren cho thay, hieu q u i kinh td sd dung thiet bi TCSC la k h i rd rang, vdi he so sil dung 40% nam, tdng ipi feh xa hdi t i n g them n i m la 3385284,48 $ so vdi chi phf hang nam cho TCSC 136745,59 $ Tai lieu tham khio: [1] K Satyanarayana, B.K.V Prasad, G Devanand, N.Siva Prasad (2011), "Optimal Location of TCSC with Minimum installation cost using DANH GIA TIEM NANG VADE XUAT CAC GIAI PHAP GIAM TON THAT DIEN NANG TRtN Hi T H N G DICN V I I T NAM OiN NAM 2015 PGS TS Nguyin Huy Cdn^ Bar) KHCN, Hdi Dl&n ll/c Vl6t Nam I.DATvANOi Sau ngiy g i i i phdng h o i n t o i n midn Nam, thdng n h i t td qudc, dat nudc ta budc vao mdt thdi ky mdi, thdi ky cdng nghiep hoa v i hien dai hoa dat nUdc Dd hoan muc tieu den n i m 2020, Vi&t Nam cd bSn trdthanh mot nudc cdng nghiep theo hudng hien dai hoa, tir bay gid, chiing ta phii xiy diing mdt cd sd tang viJTng c h i c Trong cd sd t i n g dd, ngoai ngudn nhan lUc cd chat luong thi su phat trien eua nganh dien va cOa nganh giao j thdng v i n t i i ddng mdt vai trd het SIJTC to Idn v i cd ti'nh chat quyet djnh { Quan tridt vj trf quan trpng ciia nganh Dien, thdi gian qua D i n g v i nha nude ta da t i p trung moi ngudn tUc eho nganh Tdc phat tridn cCia nginh hang n i m ludn t i n g g i p ddi so vdi sU tang trUdng GDP cita nen kinhte Ciing vdi sU phat trien c d a c i c d U a n ngudn dten, cic dUan v^ truyen tai dien cung da dUdc dau tU Tuy nhien, nhieu nguyen nhin, he thdng truyen t i i v i phan phdi eua nganh Dien van cdn nhieu bat cap, nhit l i d ludi dien trung, ap Tdn that dien nang (TTON) h i n g n i m cua ehiJng ta van dang d mijfc cao khdng nhCfng so vdi cac nUdc cdng nghiep phat tridn m i cdn so vdi cac nUdc khu vac Van de xac djnh cac nguyen nhan chinh gay nen TTDN cao va de xuat cac g i i i phap de glim TTDN la mot van de het sijfc d p thiet PSO: UCST; Vol (3) [2] LJ Cai, I Eriich (2004), 'Optimal choice and allocation of Facts devices in dereguleited electricity market using genetic algorithms" IEEE conference (0-78038718-X/04) [3] R Narmatha banu, (2009), 'Mulb-objective evolutionary algorithm for security enhancement' J Eleanca I Systems E41.S.K Joshi, K.S Pandya (2010), "Influence of TCSC on social welfare and spot price- A comparative study of PSO with classical method* International Journal of Engineering, Science and technology, Vol (3), pp 69-81 [5] Ray D Z (2010), MATPOWER 4.05b User's Mannuat 18 I Bien Jk B&i song Cung chi'nh vl ly do, Bd Cong ThUdng da Quyet djnh sd 6429/QE)BCT 22/12/2009 ve viec giao nhiSm vu thuc hi&n Chuong trinh mvc tifiu qudc gia ve sddung nang lUOng tiet kidm va hidu q u i n i m 2010 cho Mdi Oien lUc Vidt Nam de thUc hien DUan'Dinh g i i tidm nang v i dexuat cic giii phap g i i m tdn that dien nang tren hethdngdienVi&t Nam ddn n i m 2015' De an duoc thUe hien dudi sir chu trl cua Giao su; Vien sITran Dinh Long, Phd ChO tjch Hdi II MUCTiEUVATOCHirCTHl/CHllNDI/AN 11.1 Muc tieu Muc tieu cua Dir an la gdp phan tfch eUc vao viec thue hien Chuung trinh muc tieu qudc gia ve siif dung nang luong tiet kidm va hieu q u i (da duac Chinh phO Vidt Nam ban h i n h theo Nghj djnh s6 102/2003/NO-CP tir n i m 2003) va thUe hien sU chl dao ciia ThO tudng Chi'nh phu vifc g i i m TTDN eiia toan he thdng dien (HTD) DU an dUOc thUc hien se giOp cho cac nha q u i n ly c i c d p d Viet Nam tir Chinh phu den cac Bd, Nganh, Doanh nghiep hoat ddng linh vUc dien luc cung nhu cac khach hang sLTdung dien hieu rd hon de cap den van deTTDN HTD, tirdd giup cho viec hoach djnh eht'nh sach, ke hoach v i quyet djnh hop ly hoat ddng dau t u phat trien, q u i n ly van hanh, kinh doanh dien nang dViM ^ KHOA HQC - CONG NGHE Q Nam tCr ddn nam 2015 v i djnh hudng den n i m 2025-2030 Muc tidu eu the cCia Duan la: Xic dinh mUeTTDN ky thuat hop ly HTD Vidt Nam den nam 2015,De xuat cac giii p h i p eu the n h i m l i m g i i m TTDN phii hop vdi dieu kien kinh td va ky thuat cua dat nUdc; Khai toan kinh phi dau tU cho mdt sd g i i i p h i p g i i m TTDN; ll.2Td chii^c thUc hl^n Dxfan De thUc hien Dii i n , Hdi Dien iiic Vi&t Nam da huy ddng mdt lUc luqng ddng d i o cac nha khoa hoc, cac can bd ky thuat va quan 1^ cda eac don vj, tir cic trudng Dai hoc cd tham gia dao tao ngudn nhan lUc cho nganh Dien nhU Dai hpc Dien lUc, Dai hoc Bach khoa Ha Ndi den eac ddn vi tnic tiep sin xuat va q u i n ly cOa nganh Dien nhU Ban Ky thuat sin xuat EVN, Tong cong ty Truyen t i i dien Qudc gia Cue Dieu tiet, Vien Nang lUpng, Trung t i m Didu dp Qudc gia, Trung tam thf nghiem dien , mdt so Cdng ty Phan phdi dien EVN, v.v cung tham gia Ban Dieu h i n h Dii an da cd sii can nhac va phan cdng cae phan cdng viec phii hpp vdi the manh ciia tiTng don vi Dai hpc Bich khoa H i Ndi duoc phan cong tim hieu ve eac phUoTig phap tiep can khoa hpc tdi TTDN tren the gidi v i khu vUe, tif dd lua chpn phuong phaptfnhTTDN phii hop vdi kha ning cung cap sd lieu cOa cae ddn vi lien quan; Liia chpn phuong p h i p danh gia TTDN lUcfi dien trung, ap va danh gia TTDN lUdi dien trung, i p den nam 2015,-v.v Ban Ky thuat sin xuat thUe hien cdng viec thdng keTTDN va cac g i i i phap g i i m TTDN cua HTD Viet Nam thdi gian qua, kien nghj cac giii phap g i i m TTDN giai doan 20112015; Thdng ke khdi lupng ludi dien 6, 10, 15 kV cua tirng Tong cdng ty phan phdi d thdi diem hien tai; Khai toan chi phf cai tao nang cap lUdi dien trung, ap len dien ap 22 kV, danh gia hieu q u i viec cai tao do; v.v Tong cdng ty Truyen t i i dien Qudc gia thUc hien nhidm vu thdng keTTDN va cac giai phap g i i m TTDN cua ludi truyen t i i 220 - 500 kV eho ddn nam 2009, dd xuSt cic giii p h i p giimTTDN giai doan 2011 -2015; V\en Nang luang thue hien cdng vi^c cung cap cic so lieu d u b i o tif n i m 2011 ddn 2015 ve tien dp ngudn v i ludi truyen t i i tiTng n i m ; Dir bao phu t i i phan theo phan, dja phuong va bieu phu t i i theo viing eCia tirng nim,v.v Trung t i m Didu dd qudc gia cd nhidm vu tfnh toin kidm tra TTDN lUdi didn tU 110 ddn 500 kV q u i khiT, so sinh k^t q u i tlnh t o i n vdi sd lidu thuc td nhim dinh g i i dd chlnh x^c cCia phuWng phap tfnh;Tfnh toinTTDN timg n i m tCr2010ddn 2015 lUdl didn tU 110 d^n 500 kV, Tfnh t o i n so sinh tdi Uu giCra d i u tU cua khdch hdng cdng nghiepvd loi khthuduoctCrvidcgiim TTDN tang costptuass Idn 0,9 Cue Dieu tietDien lUc dupe phan cdng nhiem vu Xay diing bieu dd phu t i i dien hinh tir cic phan phu t i l ; Kien nghj g i i i p h i p san bing bieu dd phu t i i n h i m g i i m TTDN Trung tSm Thi nghiem dien thUe hien cdng vide dac va danh gia sdng hai bac cao cua mdt sd loai phu t i l duoc Ilia chon d khu vUc mien Bac, midn Trung va mien Nam Trudng Dai hpc Dien lUe dUoc giao nhidm vu Thiet ke thiet bj bii cdng suat phin khang cd khCr sdng hai bac cao n h i m mue tieu g i i m chi phf bii va tang tudi thp tu bii III P H A N TICH, OANH GIA TINH HJNH G I A M TTON TREN LU0I DllNVltTNAM III.1 Dinh gii ket q u i th^c hidn g i i m TTDN ning giai doan 2004-2008 Trong giai doan 2004-2008, EVN da phan dau giim TTDN tir 12,23% xudng 9,21% (khdng keTTDN tren ludi dien ap ndng thdn (LDHANT)), C l giai doan da g i i m dupe 3,02% Binh quan mdi nam g i i m dupe 0,604% Nam 2008TTDN lUdi didn cCia eic cdng ty truyen t i i dien (CTTTD) bao gdm ludi dien 500 kV l i 2,5% Trong giai doan 2004-2008 ludi dien truyen tai 22bkV-500kV g i i m duoc 0,5% (khdng ke' t i c ddng chuyen ludi dien 110 kV vd cic cdng ty dien luc) Cic cdng ty dien luc (CTDL) giim duoc 2,52% dd bien phap dau t u cii tao g i i m TTDN 1,5%, bien p h i p l i p dat tu bii nang costp cac nut tir 0,86-0,90 len 0,95 da tie ddng giim TTDN 0,3-0,4%, cic bidn p h i p q u i n ly kinh doanh giimTTDN va cac bien p h i p q u i n ly van hanh giim TTDN 0,5% TTDN CLia cic CTTTD da giim dUde dang ke la cac yeu to sau: Ludi truyen t i i hing n i m duoc bd sung cae cdng trinh mdi vao van h i n h gdp phan c i i thien dang ke k h i nang cap dien va nang cao chat lupng dien; • Vide tfnh t o i n , bd trf phuang thdc van hanh tdi Uu cua cic Trung tam Oidu dd • HTD, va cdng t i c quin \f v i n hanh, b i o dUdng lUdi dien tdt cua cac Cdng ty TTD; Cic CTDL ddu d i thuc hien r i t quydt lidt cae bien p h i p q u i n \f ky thuat, quan ly kinh doanh nham g i i m TTDN 111.2 Danh g i i ket q u i th^fc hidn giimTTDN nim 2009 Nam 2009, cd nhleu khd khan, bat lai eho cdng t i c giim TTDN nhU anh hudng cua suy thoai kinh te, san lupng cdng nghiep giam, nhieu TBA van hanh non tit; Chucmg trinh tiep nhan LDHANT mang lai hieu q u i xa hdi Idn eho hang nghln xa, hang tridu hd dan ndng thdn nhUng lam t i n g TTDN chung cua cac CTDL vh cua EVN phii tiep nhan thdm khdi lupng LDHANT Idn khdng d i m b i o tieu chuan Nhieu CTDL nam 2009 d i dat TTDN dmUc t h i p dudi 5% nhu CTDL Ddng Nai (3.11%), CTDL Hii Phdng (4,07%) Cic bien phap giimTTDN hieu q u i ddi vd\ cae CTDL giai doan la dau t u e i i tao ludi dien; Lapdat tu bii; Ngan ngCra sU cd tren ludi ^ e n ; Quin ly kinh doanh giim TTDN thuong mai 111.3 Danh g i i ket q u i t h ^ hi£n glim TTDN n i m 2010 T^ le TTDN nam 2010 la 10,14% (do anh hUdng cCia viec Bien & B&i songl 19 E] KHOA HQC - CONG NGHf: tiep n h i n LDHANT) van edn cao hon 0,14% so vdi chl tieu 10% da dupe Bd Cdng Thuong phe duydt De i n g i i m TTDN giai doan 2009-2012 Mpt SO nguyen nhan I n h hudng den chf tieu g i i m TTDN n i m 2010 nhusau: •I-) PhiAffig thuk v ^ hanh bat ^ HTD thudng phii van hanh d phuong thdc bat loi vd TTDN dd d i m b i o yeu cau cung cap dien va giCrdn dinh HTD kho han nghidm trpng keo d i i , eic n h i m i y thuy dien khdng du nudc de phat didn, cic n h i may nhiet dien than mdi khu vUc phia Bic dUa vao v i n h i n h chim tidn dd va hoat ddng chua dn djnh, i n h hUdng van hanh tiet g i i m sin lupng die bidt l i cic t h i n g miia khd +) Dau t i / x S y d ^ g chUa dap ijlig ydu cau tang trudng phi^ t i i Nguyen nhan chfnh la mdt sd nam gan day vdn dau t u c i i tao ludi dien truyen t i i , p h i n phdi cdn han che, ngoai mdt sd cdng trinh dau t u xay dUng hoan c h i m tien dp dan den lUdi dien yeu, cdn cd khu vUc qua t i i , dien ap thap; Ludi dien p h i n phdi cung cdn nhieu MBA, dudng day da day t l i can dau t u cdng trinh mdi de san t i i va g i i m b i n ki'nh cap dien nhUng chUa thUc hien kjp •>-) Tiep nhan ludi d i ^ h^ i p nong thong Ludi dien ap, cdng to ddm khdng d i m b i o tidu chuan ky thuat, LDHANT hien hiTu ciJ n i t , ban kfnh dai, q u i t i i l i m l i m tang TTDN -f) Do phu t i i tang trUdng cao Mac dil mdc tang trudng GOP c i n i m l i 6,75% nhung sin luang didn thuang pham sddung t i n g g a n l % so Vdi nam 2009, dau tU phat trien lUdi dien chUa dap Lfng, dan den tang TTDN la dieu tat yeu +} Mot sd nguyen nhan khac Vi pham suf dung didn khich h i n g dudi mpi hinh thUc van 20 I Bien & Bofi song x i y khdng ft v i rSt khd k i l m soit LDHANT cdn nhieu khu vUc d i y d i n tran chua cd ngudn vdn c i i tao, thay the nen x i y hidn tuong c i u mdc true tiep r i t khd khan vide ngan chan Hien tUpng lay trdm didn gan day ed nguy cdgia t i n g die biet d cic t h i n h phd Idn nhU H i Ndi, TP Hd Chf Minh; Chd t i i xCf 1^ eic vi pham chua dCi manh ndn nhidu ddi tupng sau bi XLfphat lai t i i pham trdm didn; IV c A c GiAi P H A P G I A M T N THAT D I ^ N N A N G T R £ N LUdl D l | N VI$T NAM IV.1 Cac b i ^ p h i p da th^c h i i n Ai g i i m TTDN thdi gian qua ci^a EVN Trong thdi gian qua, EVNdathi^c hien eic bien p h i p de g i i m TTDN tren ludi dien nhU sau: +) Cic bi^n p h i p t d chuTc EVN da lap Ban Cht dao g i i m TTDN Phd Tdng Giim ddc l i m TrUdng Ban, cae vien la dai dien cae Ban lien quan cua Tap doan v i dai dien iinh dao cac ddn vj Truyen t i i , Phan phoi dien v i Dieu dp qudc gia Ban Chf dao thudng xuyen hpp kiem diem ket q u i thUc hidn g i i m TTDN v i ed chf dao kjp thdi vd cdng tac g i i m TTDN Tai cac Cdng ty Didn Itic da lapTleu ban chf dao g i i m TTDN de kidm tra, ddn ddc thiic hien ehuong trinh g i i m TTDN cua EVNva cua e l c d o n v j Nim 2009, EVN d l ban h i n h "Hudng dan cic bi^n phap co b i n vd q u i n lyky thuat, van hanh va q u i n ly kinh doanh degllmTTDN, theo quydt djnh sd 994/QD-EVN ngiy 15/9/2009 thdng nhat ap dung cac don vj q u i n ly van hanh ludi dien truyen t l i , ludi dien phan phdi va dieu dd HTD chOa n h i m tri cap dien an toan, lien tuc va g i i m TTDN +) Cic b i f n p h i p kinh doanh Cic don vj da t i p trung mdt sd bien phap kinh doanh chfnh nhUsau: • Ting cudng kidm tra thay the cdng t o h u hdng v i kidm tra djnh ky cdng t o tren ludi, kidm tra va thay d i n cic m i y bien dien I p , miy bien ddng didn kdm c h i t lUpng, lip dat cdng t o dien t d chfnh xac cao cho c i c k h l e h h i n g Idn Trang bi cic thidt bl thd cdng to cdng nghd mdi cd cap chinh xac cao cho cic Dien liic, Chi nhinh dien gdp phan nang cao dp chinh xic cua cong to Thdng n h i t Ijch ghl chf sd v i tang cudng cdng tac phue tra ghi cht sd cong to, tang cudng cdng tic theo ddi khach hang, phdi hc^ vdi cac ed quan chdc nang dja phuong kidm tra va chdng tdn that thuang mai Cung ed he thdng dem ranh gidi ndi bd cho tiftig tram cdng cpng, xuat tuyen trung I p -f) Cac bien phap ve quy ho^ch va tfau t u xay dUng mdi cac cong t r i n h A f n, c i i t^o nang cap ludi tfi^n EVN d i cht dao cac don vj ihiic hien dau t u x i y diing ludi dien, ngudn dien theo Tong so dd VI dupe Chfnh phu phe duydt Cic ddn vj da tap trung huy ddng vdn dau tU eii tao ludi dien, n i n g cap dien I p , thay the MBA, d i y dan da day va q u i t i i ; Cai tao ludi dien bang each rut ngin ban kinh d p dien, hdp ly hoa ket day van hanh •>•) Cac b i ^ p h i p ky thu$t, v ^ n hanh 1V.2 D ^ b i o va p h i n t i d i , danh gia c i c k h i nang l i m g l i m TTDN t r o n g giai do^n 2010-2015 Thdng qua eic cudc giao ban tuan, t h i n g , EVN da chf d^o Trung t i m Didu a) Durkien t ^ IdTTDN giai doan - , HTD Qudc gia phdi hpp chat ehe eic don v\ truyen t l i va phan phdi dien cdng t i e van hanh, sda Dudi day la ket q u i dU bao ty 16 TTON HTD Vidt Nam giai doan 2010-2015 KHOA HQC - CONG NGHf: Q LUol d i e n SCO kV 11O- T6n t h A n a m (%) 2010 2011 2012 HTDQuticgla 2013 2014 2015 5.75 4.87 5.02 5.30 5.04 4.67 HTD M i e n B i c 5.68 5.24 5.23 5.14 4.95 4.98 HTD M i d n Trung 9.51 7.38 8.85 11.83 9.78 6.84 HTD Mien Nam 5.08 4.18 416 417 4,20 406 4.00 3.84 3.69 3.60 Ludi t r u n g i p 2.88 Ludi ip 4.15 2.37 3.55 b) Cac y « i to i n h huidng td! TTDN thdf gian tdt +} Khd khan khach quan, cic nguyen nhan chu yeu i n h hUdng den TTDN - Hien trang ngudn, lUAl iBin: Hien tai v i nhUng n i m tdi van ludn ed nguy cd thieu ngudn, dd p h l i huy ddng cao cic ngudn dien hien cd Dieu dan den khdng lUa chpn dupe phUdng an van hanh deTTDN la nhd nhat Ben canh dd viec dieu tidt cong suat, sin lupng se p h i i thuc hidn nghidm ngit hon dan den viec q u i n ly van hanh ludi dien t d truyen t i i den ludi ^ e n trung, I p se khd khan hdn Ludi dien I I O k V d h a i k h u v U c m i d n B i c v i mien Nam dupe dau t u nhung chim tien dp van cdn nhieu DD v i MBA bi day t i i va q u i t l i LUdi dien trung ap edn nhieu khu vUc can dupe ning cap LDHANT da tiep nhin da sd khdng d i m b i o tieu chuan ky thuat - Tmh h)nh kinh te vd ngoiti nUAc: Mpt so khd khan I n h hudng tfn dung xau ve nha dat td My lan cac nUdc Chau Auva Chau A Gii xang dau, vat tUnguyen lieu t i n g cao keo d i i tir 2006 den Chinh sach ciia n h i nudc la kiem che lam phit, han ehe dau tU, tang cUdng tidt kidm ChUa tang g i i dien nhU Id trinh I I cac yeu td I n h hudng den viec dau t u p h i t trien ngudn lUdi dien cung nhu can bang tai chi'nh eiia EVN Den nay, lai suat tang cao, cac ngan hang thieu tien cho vay dan den viec huy dpng tidn cho dau tucai tao HTD la rat khd khan •I-) M9t so trnit^ cong tac giim TTDN cua EVN: Nhieu cdng trinh dau tU xay diing ngudn dien va ludi dien cham tien da i n h hudng khdng nhd den van hanh HTD an t o i n va cac chftieu kinh t d k y thuat, I n h hudng den viec g i i m TTDN Ke hoach cai tao nang cap ludi dien dac biet la lUdi dien trung, I p dd cd vide nang cap cle ludi dien 6-10 kVve cap dien I p 22 kV chu yeu d khu viic mien Bac van ehUa thUc hien dUdc nhieu eic Cdng ty Dien liic khd khan vd vdn; Mdt sd nai viec q u i n ly TTON chua tdt chua quan tam he thdng dem va ranh gidi quin \f dan den TTDN trdn mot sd tuyen day, mdt sdTBA cdn cao ma chua xac djnh dUpc nguyen nhan de xd ly; Tfnh t o i n phUdng t h i i t van hanh tdi uu, bti tdi uu chua duoc quan tam thUdng xuyen; • TTDN mdt so TBA cdng cdng cdn cao cdng t i c q u i n 1^ d mdt sd bd phan cdn ydu kem ve trinh dp chuyen mdn va y thdc trich nhiem IV.3 Cic g i i i p h i p g l i m TTDN giai doan tdi dot vdi n g i n h D i f n Tren cdsd phan tfch, danh gia cac nguydn nhan lam g i i m TTDN d tren, Diian dexuat cac bidn p h i p l i m giim TTON tren HTD Vidt Nam thdi gian tdt nhUsau: Bien p h i p quan trpng hang dau l i xiy dUng cic ngudn dien, ludi dien dong bd theo quy hoach (cic TS06, TS07) d i m b i o dimg tidn dd de HTD van hanh kinh t d - k y thuat Tiep tuc thiic hien ddng bo cic bien phap q u i n ly ky thuat, van hanh, q u i n ly kinh doanh theo hudng dan ciia EVN Vd cap dien I p can t i p trung trpng t i m giim TTDN giai doan tdi la lUdi dien phin phdi tir 35kV trdxudng vlTTDN tren ludi dien trung i p , ap ndi chung cdn cao Giim TTDN cCia lUdi dien niy d mdc tdng trung binh ludi didn trung i p la dudi 2,5%; LUcri dien ap dUdi % l t h U c hien 6\iac mUcTTDN nhutren can phii giii quydt: Dau tu mdi, cii tao ludi dien cu dat tieu chuan van hinh kinh td ky thuat (MBA, dudng diy, ban kinh cap dien); Nang d p cic lUdi dien -10 kV hien hihi dang cdn tdn tai dcac CTDL phia Bic len cap 22 kV; Trong xay dung v i cai tao lUcri dien can sd dung cac thiet bj cd dp tin cly cao, tdn that dien thap Tap trung giimTTDN tren ludi dien ap dcac Cdng ty, cicDien liic thupc cac Tong Cdng tyOien lUe (giim ca TTDN ky thuat va phi ky thuat) COng CO he thdng ddm ranh gidi va hoan thien chuong trinh CMIS quin lyTTDN khu vUc:TBA, tuyen day giim thieu TTDN thuong mai (dam b i o dem chinh xac, chdng lay cap didn dudi moi hinh thUc) ThUe hien tfnh toinTTDN ky thuat l i m cO sd danh g i i TTDN ludi didn, ddng thdi lam cdng cu dinh g i i khu vUc bien ddng TTON cao de cd bien phap giam TTDN hop ly Tang ty Id dien nang ban tnic tiep tren lUdi trung apvlnokV V KI^N NGH! De cac gill p h i p tren dUpc trien khai cd hieu q u i thdi gian tdi, D i i l n da dua mdt so ket l u i n v i kien ng hj ddi vdi cle co quan q u i n ly d t i m vT md cung nhu ddi vdi cac don vj cua nginh dien nhUsau: a) Kien nghj vdi nginh Dien: TTDN ky thuat tren lUdi dien hien d i g f l m nhieu theo tdng nam song van chua dat hieu q u i cao theo mong mudn cCia cdng t i e quan ly la ket cau ludi dien, c h i t lUpng lUdi dien ehUa d i m bao eac chi Bien & Be^ songl 21 E] KHOA HQC - CONG NGHf: tieu van hanh kinh td-ky thuat; Cic cdng trinh dau t u xay dUng ngudn dien, lUdi dien mdf theo Quy hoach khdng d i m b i o dung tien dp de ra; Ddng thdi khdi lUpng ludi dien I p ndng thdn tiep nhan de b i n triic tiep den hd ndng thdn theo chu trUOng ctia Chinh phu t d n i m 2008 den q u i Idn (chat lUpng ludi dien khu viic ndng thdn q u i eii n i t , phi ky thuat, ed TTDN cao) Ludi dien trung ap v i I p eu n i t , khdng dCi tieu chuan kinh tdky thuat tai cic Cdng ty Didn li/e chUa dupe e i i tao nang c i p van tdn tai vdi mdt khdi lUpng khdng nhd Ngudn vdn cho c i i tao, n i n g d p ludi dien n i y (nang d p dien I p ludi dien 6-10 kV ve d p dien ap 22 kV, thay thd cic MBA cd tdn that cao, n i n g tiet dien day dan, boc h o i cap ap v.v,.) r i t han che p h l i tap trung cho p h i t trien cic cdng trinh ludi dien mdi de d i p dng nhu d u phu t l i dien tang trudng hang n i m k h o i n g 15-16% Do dd lUdi dien trung I p va I p tai nhieu khu vuc eua cac Cdng ty Oien liie cd TTDN van cao, chUa d i p dng dUde yeu cau mong mudn TTDN tren iudi dien hien ctia EVN da tidm e i n tdn that ky thuat tuong dng dung vdi hien trang ket cau, c h i t lupng ludi dien hien tai De tiep tuc g i i m TTDN giai doan tdt, ngoai d c bien phap thiic hien thudng xuyen q u i n ly ky thuat, van hanh, q u i n \f kinh doanh dien nang, d n thiet p h i i thiic hien cac g i i i p h i p quan trpng va cd tfnh quyet djnh ve quy hoach, dau tU x i y dUng c i c cdng trinh ngudn dien, ludi di^n mdi, d i m b i o dung tien dp cic cdng trinh Quy hoach dupc Chfnh phu duydt, ciing nhu c i i tao nang cap ludi dien trung, i p dat tieu chuan kinh te-ky thuat Trong tlnh hinh thieu dien hien nay, de d i p dng yeu cau dO dien cho nhu d u p h i t trien kinh td-xa hdi va sinh hoat cOa nhan dan da p h l i cd mpt su nd luc Idn dau tU xay dung mdi cic cdng trinh ngudn dien, ludi dien ddng bd De tiep tuc g i i m 22 I Bien & BiH song TTDN tdi mdt gidi han n i o dd ciing p h l i tfnh den b i i t o i n kinh td l i dau t u mdc dd n i o l i hpp \f tUdng dng vdi vide chap thuan TTDN d mdc n i o la phii hpp Viec g l i m TTON t h i p tdi, hoic gan tdi mdc n h u c i c n u d c c d n g nghiep p h i t trien hi^n nay, n g o i i vide HTD ludn t h o i man cic chl tidu kinh td-ky thuat tidn tidn, thi mdt yeu t d quan trpng I n h hUdng d i n muc tidu dd l i nudc ta p h i ! cd ndn edng nghidp phat tridn hi^n dai, ty trpng p h i n phy t l i cdng nghiep tdng eic t h i n h p h i n phu t i i p h i i d mdc cao 70-80% (nhU cic nudc cdng nghidp p h i t trifn) D i y l i mdt yeu td hdt sdc quan trpng g i n lien vdi p h i t tridn cO c i u kinh td cua dat nUdc b) Kien nghj vdl ThUtfng va Chinh phi!i B$ Cdng Nghien cdu, ban hanh g i i b i n dien theo hai t h i n h p h i n edng suit vadien nang Dephucvu eho viec d i n h g i i chfnh xac, can thiet p h l i x i y diing mdt he thdng (tieu chuan, thiet bi, cO quan phu trach chung) thdng ke v i lUdng ddng bd Bd Cdng ThUOng chf dao eic Sd Cdng Thuong dja phUcmg tang cudng phdi hop vdi cic Cdng ty Didn liic tfnh viec xd ly cac trudng hop vi pham sd dung didn (ISy e l p didn dudi moi hinh thdc), ddng thdi tuyen truydn n g i n ngda vi pham sd dung dien Bd Cdng Thuong nghien cdu de cd quy djnh (hoac ban hanh tieu chuan) ddi vdi ckc khich hing sd dung dien cd MBA ehuyen diing nen sd dung MBA cd tdn that thap nhu nganh Dien hien dang thdc hien n h i m dat hieu q u i chung g i i m TTDN tren HTD Vidt Nam Nghien cdu sdm c6 quy djnh ve Id trinh tang he sd cdng suat (cos (p) tdi thieu ciia khich h i n g sd dung dien (ddi tupng dupe quy dinh theo Luat Dien liic) de sin xuat, kinh doanh, djch vu t d 0,85 (theo Luat Didn life) len 0,9-0,95 n h i m mang lai hieu q u i chung cCia HTD Vidt Nam Tiep tuc tuyen truyen day manh thuc hidn chuong trinh quin ly nhu c i u D S M v l chuong trmh tiet kidm didn cCia Chfnh phd, Ngoii Di/ I n cdn gidi thieu c i c ehuyen de ve Xiy dung bieu dd phu t l i dien hinh cda eac p h i n phu t l i HTD Vidt Nam v i Nghidn cdu I n h hudng eua sdng hii ddn TTDN v i k h i nang sd dung thiet bj Ipc sdng h i i de g i i m TTDN trin ludi didn Vidt Nam VI Kilr LUAN Thay p h i n d i n h g i i k i t thue hidn Du I n , ehiing tdi trfeh dan t o i n v i n Kdt luan Hdi ddng nghiem thu Dii i n Bd Cdng Thuong: qui xin ciia cda " B i o d o ket q u i thUc hien Dii an the hien cdng viec nghien c i ^ nghidm tuc ciia nhdm t i c gii Ndi dung eua Du i n da b i m sit v l dap Orng day du d c yeu cau cua ndi dung de cuong nghien cdu eCia DUin.Diy l i mpt DU i n dUpc mdt t i p the cic nha khoa hpc eo kinh nghidm thuc hien Viec phan loai 156 dc^ vj dien lUc c i nude theo m i t dp dien nang v l thdi gian tdn that cdng suit cue dai khu viie phu t l i khac vdi lUdi dien m l u nhim phue vu cho danh g i i TTDN tren Iddi dten trung, I p ciing het sdc cdng phu va d i n g tran trpng Phuong p h i p tiep can va nghien cdu cua DU I n la ket hpp cac phan tfch ly thuydt v i kidm nghidm thuc td, vl v i y d c phuong p h i p xac ^nh TTDN cd tfnh dng dung caa Ket q u i cda DU I n difii rit hifu ich cho d c co quan quin ly viee ttnh t o i n , danh g i i TTDN HTD Viet Nam thdi gian tdi, tif dd giiip cho viec hoach djnh chfnh sach, ke hoach va quyet djnh hop \f hoat ddng dau t u phat trien, q u i n lyvan hanh v i kinh doanh ^ & nang dViet Nam" * ^ (Ban dpc cd the tham khio t ^ d c h ctii tiet tai cac Phu luc ciia Bao eao ket q u i thUc hidn DU I n d Bo Cong Thuong) ...KHOA HQC - CONG NGHE Q Nam tCr ddn nam 2015 v i djnh hudng den n i m 2025-2030 Muc tidu eu the cCia Duan la: Xic dinh mUeTTDN ky thuat hop ly HTD Vidt Nam den nam 2015, De xuat cac giii p h... den nam 2015, -v.v Ban Ky thuat sin xuat thUe hien cdng viec thdng keTTDN va cac g i i i phap g i i m TTDN cua HTD Viet Nam thdi gian qua, kien nghj cac giii phap g i i m TTDN giai doan 201 12015; ... 220 - 500 kV eho ddn nam 2009, dd xuSt cic giii p h i p giimTTDN giai doan 2011 -2015; V\en Nang luang thue hien cdng vi^c cung cap cic so lieu d u b i o tif n i m 2011 ddn 2015 ve tien dp ngudn