(DDK)
Dien 686: Trong qua trinh v~n hanh (DDK) phai tien hanh bao duong1..1 thuat va dai tu nham dam bao eho DDKvan hanh
du<,lC chacchan.
Dien 687: Cong tac bao du(lng DDK phai tien hanh nhung cong vi¢<: do'! ngan ngila cac bo phan ket clIu DDK bi hu honhg truck thili han bang each thlle hien nhnng viec kio'!m tra va do luang dinh IcY va loai tril cac hu hong va bAI binh
thuong.
Khi dai tu DDK phai tien hanh cac bien phap t6ng tho'! nharn phuc hoi lai cac ~e tinh van nanhban dau cua DDK noi chung hoac cac bO phan cua chang noi rieng bang each sua chita cac bO phan bi hu hong hoac thay chang bang nnnng cai ben chac va kinh te hon nham cai thien hon nita cac d"e tinh v~nMnh eua dllilng day.
Dien 688: Trong thOath~n v~ di~u Ici¢n Icythu~t do'!thiet ke DDl<. COng ty di¢n Ille va xi nghi¢p quan Iy dien pMi neu yeu
ellu eho co quan thiet ke v~ clIe di~u lcienrieng biet trong vimg DDK di qua (di~u Ici¢n khi~u, do nhiem blln eua mOi trllilng va clIe yeu t6 khae eua elia phuong) do'! cO quan thiet k€pMi luu y trong thiet ke DDIC.
Dien 689:Khi tiep nh~n DDK do'! dua vao v~n Mnh CO quan qu,m Iy dien pMi n~n dU\le elia dOnvi thi cong clIe Illilieu. Icy
Ihuatphu h\lp voi quy dinh trong 'Tieu ehulln nghiem thu cae COng tnnh luoi di¢n'.
T
Dien 690: Ole DDK dang thi COng, va san do giao eho CO qua n .:'~n Iy luoi dien quan Iyvan Mnh thi CO quan nay pMi t6 chuc giam sat Icy thu~t trong qua trinh xay dllng.
Dien 691: Trong quan Iyv~n hanh DDK pMi nghiem ehinh chap hanh cac quy dinh trong "Ngh] dinh ve viec baov¢ an tollB cac COng trinh hloi dien' do hOi dhng Bl) truc'lng ban hanh,
Co quan quan Iy luoi dien phili IhOngbao eho cac 16 ehlle
khac iJ gan khu vile tuyen DDK di qua v~ cac quy dinh nay, Co quan quan Iy hloi dien pMi co cacbien phap ngan ngila
cac ca nhan hoac t6 chuc khac tien hanh cac COng viec trong hanh lang tuyen DDK, vi pham cacquydinhdil neu trong'ny1;,
dinh vi: vice bao vean toan cac ccng trinhluoi dien".
Dieu 692: Cac kc h.ach ve sua chua va phuc hui duong day o cac doan di qua cac khu VIle trbng trot (nOng, lam tnrong,
ruong, VIIon v.v... ) phai duec thoa thuan voi cac don visil dung ruong dAt.
Dieo 693:Tuyen duong day phili du\le djnh IcY lam sach rae ruoi, cay c6i va phili gm gin eho dllilngday du<,lC an toan khOng do'! clIe VI) eMy xay ra gan do lam htl hOng. Trong Mnh lang tuyen phili e~t h€t clIe cay c6i co kha nang lam hu h~ dl'!n dllong day theo dung clIe quy elinh daneu trong 'Nghi dinhv~
viee bAo v¢ an toan clIe cong trmh llloi dien cao the.
Di~ 694: Phili bAo quan t6t clIebi~n bao va tin hien: a. Bi~n bao ~t tren bO c'l clIe khoang DDK VIIQt sOngcO
thuy~n be qua lai thuilng xuyen;
b. Tin hi¢u anh sling va son bao hieu ~t c'l clIe cot cao. e. Oledi~mbao, lMu hieu ~tvinh vien c'l clIe cot cUa DDIC.
B1~u 695: CO quan quan 1Y Illoi di¢n phai theo doi va dll nghi voi CO quan quan Iy dllbng sal dJ!1 cac eil ngang 0 cac doan dllbng sal cotM co cac toa hang va can du qua cO di qua.
Vi¢c dJ!tva bao quan caccn ngang nay do co quan quan Iy duongsat thuc hien,
B1~u 696: Dl! pMt hien til xa cac eh6 hu hOng cua DDK dien ap lil I}OkV trO len phai trang b] cac dung e\l thil!1 bi can thiet.
CO quan quan Iy Illoi di¢n ph:ii dll<,le trang bj.
Cac d\lDg cu luu dOng dl! phat hi¢n cac dil!m cham dal tren
cac DDK 6-35 kV.
Dieu 697: Cac lop eh6ng gi 0 cac COl IMp va cac ehi lil!t kl!1 cau bling thep 0 cacCOl be tong khOngduoc ma kern cnng nhu cac day eh6ng set va day neo COl bang thep tren cac DDK
lil 35 kV tro len pMi dll<,le khOiphuc I\likhi can thiet,
Dieu 698: Trong qua trinh van hanh 0 cac khoang eOI DDK VI/<,ll qua cac DDK We va VI/<,ll qua cac dllbng day thOng tin eho phep 0 m6i day dAnho~e day eh6ng Sel ella DDK VI/<,ll 0 trtn khOng dllQc qua 2 m6i n6i.
50m6i n6i 0cae day dAn va day eMngs.et elia DDK ehui o dlloi khOng hl;In eM.
DI1!u 699: 6 cae dO\ln DDKcO nhillu byi Mn, pMi sildyng IO\li sit dJ!e biel ho~e eaeh dien I1lng cl!bng; khi chn Ihi/!I pMi lam S\leh sit, thay 1M cae sit bi Mn ho~edung sit cO lOp trang men eh6ng am.
B11!u 700: Q)ng tae bao dllong ky th~1 va dl;Ii lu DDK pMi dll\le li6n Mnh bang cae phllong tien, trang bi, may mOe ehuyen dilng eho DDK.
Cac may moe va viee eo gioi hoa pMi tron DO phu h<,lp voi cac quy dinh caa nganh,
Cac dOi cong tac tren cac DDK pMi dllQe trang bi eac phuong tien thong lin lien lac v6i tram dillu dOva CO quan quan
Iy ludi dien. . . .
Dieu 701: Trong van hanh cac DDK pMi til!n banh kil!nH tra
dinh ky va bat thuong, Ijch kil!m Ira dinh k-y DDK do ky su
ehinh cua co quan quan ly Illoi dien quyet dinh. .
Kiem tra dinh I..-y khong qua 6 thang 1 lan,
Kiem Ira DDK ho~e tilng doan rieng cua DDK do cac nhan vien 1..")' thuat thuc hien khOng qua. 1 nam 1 Ian.
Kicm iraphan ngon eOI cua cac DDK IrO len bao gorneli
viec quan sal eho kep day dan va day eh6ng set vao khoava cac khung dinh vi (o cacduong: day philo pha) khOng qua 6 nam 1
Ian,
Tren cac DDK 0,4 - 15 kVvi¢c kil!m Ira phhn'ngQn COl phAi tien hanh khi IMy can lhil!t
Kil!m Ira bat Ihllbng cae DDK ho~e tilng dol;lD ella DDK pMi til!n hanh: .
a.. Sau khi Xlly ra ehay rilng :(hoae hOa hO(ln) 0 nhilng noi
cO DDK di qua va khiSl! c6 bal thllbng.
b. Sau khi dllbng day tl! dOng <:4t do Mo v¢ role tae dong va da II! dOng dOng !(Ii nl!u xettMy chn lhil!l.
e. Khi cO sllong mii (nhilng eM cO nhillu b\li Mn) tiiy theo quy djnh ritng eda ti/ng noi.
a. Kiem tra muc dO m6i muc cac cOtg<'l Cling nhu cac chi tiet gO tren DDK Ian thil nhat sau 3-6 narn dua dttbng day vao Vanhanh va sau d6 cil 3 nam 1 Ian. D6i voi cac DDK til 15 kV tro xu6ng chi kiem tra khi xet thay can thiet,
b. Kiem tra cac lop ch6ng gi cua cot, xa va cac ket cau khac
, .
bang thep cua DDK, chon mot s6 diem de dao dat kiem tra m6ng keo COt it nhat 6 nam 1 Ian.
c. Kiem Ira tinh hinh hu hong cua cot be t6ng c6t thep, mat,
vo be tong, hu hong c6t thep v.v... it nMt 6 nam I Ian.
d. Kiem tra do ben each dien cua cac chudi su ngay trong nam Van hanh dau tien va sau d6 it' nMt 6 nam 1 Ian, khong yeu cau do do ben each dien elia sil thuy tinh, sil kiem tra va sil dung mil chi kiem trabang mat khi di kiern tradttbng day.
d. Kiem tra cac chuoi n6i day bang bu long tren cac DDK 35kV bang each do dien trb caa m6i n6i - it nMt 6 thang Llan. Cac m6i n6i day bang bu long khi do dien trb neu khong d<it yeu cau thi pMi sita chila ngay.
Viec do dien trb cac m6i n6i day bang hiln, 6ng n6i ep, 6ng n6i van soAn khOng yeu cau.
Trong khi nghiem thu DDK de dtta vao Van hilnh tat citcac m6i n6iday dlln va day ch6ng set phlii dtt<,lc kiem tra bang mAt thttbngvii pMi bAo dam cac nch thttOc hlnh hQc elia chung.
Trong qua trlnh van bAnh dttbngday cac m6i n6i pMi dtt<,lC Idem tra bAng mAt thttiln'g khi di Idem tra DDK.
e. Do di¢n trb n'6i dat clia cac trang bi n6i dat cua cac COt va day ch6ng set tren DDK ding nhtt do dien trb dat cua n6i dat lap I\li tren cac DDK dien ap 0,4 kV.
216
g. Do each dien giUa cac mach"pha •khOng"tren cac dllilng' day 0,4 kV khi dua cac dttilng diiy nay vao van hAnh sau do khOng qua 6 narn mot Ian, cung nhu khi bitt dllu dtta 1 nMah dttilng day mdi vao van hanh,
Khi can thiet con phai Idem tra : Khoang ,each til day cHn toi dat vii toi cac cong trinh khac b nhilng khoang COt giao cheo hoac di gan nhilng cong trinh khac, Il1c cang b eac day neo COt, do nghieng cua cor ciing nhu cac m6i n6i COt, (mat bich, mling sOng v.v...). '
Dieu 703 : Nhilng hu hong, thieu soi phat hi¢n khiIdem tra DDK pMi dllQc ghi vao nMtkY(hoac s6 rieng) va tuy thea mllc dO hu hOng phai tien hanh slla chila ngay hoac slla chila trong qua trinh bao dttang hoac d."i tu DDK.
Dieu 704 : Dai tutiDK hoac tilngd~n cIia DDK pMi tien hanh it nhAt 6 nam mOt llin: '
D\li tu DDK co tM tien Mnh bang cach cat di¢n tOM ~ dttilng day, ,cat di¢n 1 pM (sila chila tilng pM) hoac khOng cat dien dllilng day.
Dieu 705 : Bao dttang k1 Ihnat vii sila chila DDK phii ti6n hAnh <!bng ~ va <!bng thili.de ~ cM toi mllc tlSi thio:!u thili gian cat di¢n DDK.
Dien 706 : Vi¢': thay d6i k6t cAu COt ciing nhtt cac k6t cau kMc cua DDK pMic6dlly ducactlli Ii¢u tlnh toan kjJ thuat vii dll<,lC k1 Sll chinh clla cO quan quan Jy di¢n duy¢1.
Dieu. 707 : cac Cl) quan qulin If Illoi di¢n phii dll<,lCdl1 tril mOt s6 phl,l tung phl)kien thaytM thea quy dinh do:! cO
tM ti6n hanh slla ehila kip thili cac hit hOng tren DDK do slf e6 gAl' ra.
DieD 708 : Khi cac co quan quan Iyvan hanh khac nhau e6 cac mach mac chung tren cung 1 hang cot, viec lap k6 hoach sila chila cac mach dUilng dAy phai CO sll thoa thuan wi nhau. Viec sila chila khi tren duong day xay ra slf c6 pMi dltlle bao truce cho phia ben lien quan (chit mach dltilng dAy mac chung tren cot).
Chuang 32
cAc DUONG cApDI~N We
DreD 709 : Khi van hanh cac duong cap dien 11IC phai tien hanh bao dltong kYthuafvadai tu nham dam baocho cac dltilng cap nay lam viec duoc chilc chan,
Dien 710 : D6i voi mili duong cap, khi moi dua vao van hanh phai quy dinh dong dien tAi t6i'da cho phep, Dong dien tili duoc xac dinh theo nhilng doan cap chiu nhilng dieu kien phat nhiet xau nMt neu chieu dai cita doan cap nay tren 10 met.
Duoc phep nang dong dien tAi len,tren co sil thi nghiem voi dieu kiell sl) tAng nhiet caa 16i dip khOngV1I9tqua quy dinh, 811,tangnhiet nay phai kiem tra0 nMng doan cap co dieu kien lam mat xau nhat,
Dreu 711 : Trong cac COng trinh ~tcap phai tnuong xuyen kiem tra nhiet dO van Mnh eita cap, nhiet do cit..: khOngkhiva S1I lllm vi¢<: eita h¢ tMng thOng gi6..
Nhiel dO khOng khie lrong cae hhm, hao dat cap khOng dU<;lC vU<)1 qua nhiet dO eita mOi trUilng xung qDanh qua 10°C
ve mua he.
DieD 712 : Cac dUilng cap 6-10 kV thuong mang tili duoi dinh milc co thl! qua tai ngan han trong cac giOihan sau :
~s6mang Phuong thuc ~s6 qua tai chophep UlithUeng d~tcap so voi djnh mUc tronq
xuyen <, thei gian
0,5gle Igie 3gie Trongdat 1,35 1,30 1,15 0,6 D~thci ngoai trei 1,25 1,15 1,10 Trong 6ng (chOn 1,20 1,10 1,00 duol datI Trongdat 1,20 1,15 1,10 0,8 D~thdngoal trel 1,25 1,10 1,05 Trong 6ng (cMn 1,10 1,05 1,00 . duol datI I
DieD713 : Trong thili gianxii Iy10",i tril S1I c6, d6i voi cac duong cap dien ap !Oi 10 kV eho phep qua tili trong thili gian 5 ngay dem thea cac gloi han sau :
H~s6mang Phuong thUc ~s6 qua Uli cno pnep tai thUeng d~tcap so voi djnh muc trong
xuyen theigian
19ie 3 gle 6gie' Trang dat 1,50 1,35 1,25 0,6 D~tho ngoal trei 1,35 1,25 1,25 Trang 6ng (chon 1,30 1,20 1,15 dUOI datI
Trang dat 1,35 1,25 1,25 0,8 D~thci ngoai trei 1,30 1,25 1,20 Trang 6ng (chon 1,20 1,15 1,10 duol datI
D6i vol nhung dt/ong cap van hanh trong thili gian dai 0
nhtrng dieu kien kh6 khan mile dO qua tai eho phep tren day can phai giam bOt tuy thea quy dinh cu tbe'! cua tung dia phuong.
Khong eho phep cac duong cap 15.35 kV van hanh qua tal. Dleu 714 : Cac duong cap co n~p dau lIO·500 kVebo phep
van hanh qua tai den khi nhiet dO ella loi cap dat toi 80aC.
Trong d6 tqoi gian 'Ina tlli lien tuc khong duoc qua 100 gio, t6ng s6 thoi gian qua tai khong qua 500 gio trong J nam voi khoang each ve thoi gian giua 2 lan qua tM lien tiep khong dt/oi 10 ngay, D6i voi cac cap 110 kV ~t hO ngoai troi, khong han che thoi gian van hanh voi nhiet dOeua loi cap la SOaC.
DIen 715 : Doi voi mlli duong cap e6 n~p dau hoac mlli doan cua n6 dien ap til 110 kV tro len tiiy thuoc VaG m~t cat cua tuyen cap phai quy dinh gioi han cho phep dO chenh lech ap 11Ied~u. Khi dO ebenh l¢Ch ap 11Ie qua quy <fjnh pMi cat di¢n dt/bng cap va chi dt/!)e phep d6ng dien sau khi da pMt hienva
lo~i tril nguyen nMn xAy ra ht/ hOng.
Dien 716 :TlilI d~urut trong cae dt/ong cap e6 D<W dau pMi tien bilnh ttt/oe kbi dt/a dt/ong cap vao, van Mnh, sau kbi v~n
hanh dt/<>c I nam, tiep d6 3 nam va tiep tue cii 6 Mm 1 l~n.
DIeu 717 : Khi tiep nMn'l dt/ong cap de dt/a vaa v~n Itanh ngoai cae tAi lieu k9 thu~t quy <!jnh ehungda 'iuy dinh CO quan xJly Hlp cOn pMi giao eho cO quan quan Iy cae tai lieu sau :
a. Ban dO tuyen cap,tY Ie 1/200 ho~e 1/500 (tuy thuOe vao st/ pMt lrien cae he (Mng giao tMng lien ~e 0 vimg tuyen di qua).
b. Bien blm ve c6ng viee lam ng~m dt/oi <!lit trang d6 ebi ro nhung diem dt/ong cap giao eMa va di g~n cae dllong cap
ngarn khac (cap thong tin, cap ItJc) va cac dllong 6ng eMn ~t
ngam dlloi dlit, bien ban vI: cong viec Hlp ~t cac hOp n6i cap. e. Bien ban vI!tinh trang cua cap con cu6n trong cuon neu can pMi coeli bien ban Idem tra mo euOn cap va chuyenebo cap (bien bankiem tra mo cuon cap nMt thiet pMi c6 d6i vOi cac cap nMp ngoai).
d. Ban ve cat doc tuyen cap 0 nhilng di(!m cap giao cheo voi dt/ong giao thong va cac dllong cap, dllbng 6ng kMe d6i voi ca; ci¢n aptil35 kV tm len vad6i voi cap 6-10 kV em0 nhilng dean tu},in phile tap.
d.Bien ban thi!nghiem d~tcat dQC tuyen thea ~ediemc1la
nrng doan tuven,
Dien 718 Doi voi nhilng dllbng cap Mt kY di¢n ap naodo co quan khac xay dllng rna sau khi xay dling se giao I(licho co quan v~n hanh quan Iy tbi co quan quan Iy ho*e nhil may di¢n pMi to chile giarn sat k5' thu~t trong qua trinh rllicap va xJly Hlp dllong cap.
Dien 719 : Mili dllong cap pUi c6 ten gQi ho*e so hien. dil:u dO rieng biet.
onhung do~n cap 10 thien (~t hb)eung nhll 0 tllt ca cae hOp noi, hOpd~u cap pMi giln bien hieu tren d6 gbi rii': Neu
tren hi¢u elia cap va hOp dau cap - tbi ghi Il1A hi¢u, di¢n ap, tiet dien so hieu ho*e ten dllong cap ;neu tren bien hieu hOp noi cap thi ghi sO hieu dau noi vangay Iilp.
cae bien hieu pMi bAave khOi hI! hong do llIe dOng ctia
moi trllong xung quanb.
cac bien hi¢u pMi giln thea dQC suot dt/ong cap caeh sOm
mOl 0 nhung do~n cap ~t hi! cling nhll 0 nhilng eM cap di qua cae vaehnglln va ~n (o ca 2 pbia).
Dieu 720 : Vo thep cia cac cap d~t trong cac cong trinh cap va cac k6t ciu bang kim loai do cap phai duoc dinh ky quet son chong ri, chiu nhiet,
Dieu 721 : Do ph'! tai etia duong cap phili lien hanh it nhdt 1 nam 1 Ian vao thili 1."5' co ph,! tai Ion nhat.
Tren co' so cac s6 lieu do nay phai ehinh Iy lai che dO va so dO lam viec cua luoi cap.
Dieu 722 : Kiem tra tuyen duong eapphili lien hanh 1 I~n
trong thoi gian quy dinh sau day (tinh bang thang).
Duong cap CO dien ap
tM 36 kV 110-500 kV
_ Tuy6n duong cap d~t trong dilt 3 1 _ Tuy6n duong cap di trong dia
phan cac thanh pM CO lop phil
hoan ihlen 12 -
_ Tuyen duong cap d~t trong kMi theo 6ng, ham cap bAm mO va
doc cau duong silt 6 3
_ Tram naP khi co tin hi¢u hila ap
. h!e d~u (trong truong h<)p khOn,
CO tin hi¢u thi thea quy tdnh) - 1
_ Gieng cap (h6) 24 3