TAP DOAN CONG HOA XA HOI CHU NGHIA VIET NAM DIEN LIXC VIET NAM DOc 14p Tir do Hanh phtic \9QDEVN Ha Noi, ngay A g timing 12 nam 2014 QUYET DINH Ve vie;c ban hanh Quy trinh An toan dien trong rap doan Dien Inc Qu6c gia Viet Nam e TONG Gam DOC TAP DOAN DIEN LVC VIET NAM Can cur Nghi dinh so 2052013NDCP ngay 06 thang 12 ram 2013 dm Chinh phfi ve viec ban hanh Dieu le to eh va hoat Ong dm Tap doan Dien lvc Viet Nam; Can dr Nghi dinh so 142014NDCP ngay 26 thang 02 ram 2014 cfra Chinh phir Quy dinh chi tiet thi hanh Lust dien lvc ye an toan dien; Can dr Thong tu.so 312014TTBCT ngay 02 thang 10 nam 2014 cfra BO twang Bo Cong Thtrang ve Quy dinh chi tiet mot so not dung ye an toan dien; Can cur Quy chuan ky thuat quac gia ve an toan dien (QCVN 01: 2008BCT) cua BO Gong Thtrang; Theo de nghi cfra Truerng Ban An toan, QUYET DINH: Dieu I. Ban hanh kern theo Quyet dinh nay Quy trinh An toan dien trong Tap doan Dien lvc Quoc gia Viet Nam. Dieu 2. Quy trinh nay c6 hieu lvc ke tir ngay 01 thang 01 nam 2015 va thay the cho Quy trinh An toan dien ban hanh theo Quy6t dinh so 1186QDEVN ngay 07 thang 12 nam 2011 cfra Tap doan Dien lvc Viet Nam. Dieu 3. Cac Ph6 rang Giam dac, Twang Ban Tang hop, Tmong Ban dem soat not IDO cfra dOng thanh vien, Chanh Van phong, Truong cac Ban chirc nang cita co.quan Tap doan Dien lvc Viet Nam, Thu twang cac don vi trVc thuOc, cac Cong ty con do EVN nam gift 100% von dieu le, Ngtred dai dien theo fry quyen phan von g6p cua Tap doan Dien lvc Viet Nam tai cac cong ty con, ding ty lien ket chiu trach nhiem thi hanh quyet dinh nay.. Noi nh(tn: Ntur diL 3; Cpc KTAT va MTCNB0 CT (bcao); d6ng thanh vin (bcao); Cong doan BLVN; Ltru VT, AT.
TAP DOAN DIEN LVC VIET NAM TONG LONG TY DIEN LIJC MIEN TRUNG DEN s.6 43 1' Ngay Chuyen EVN QUY TRINH ■ AN TOAN DIEN (Ban hanh kern then Quyet dinh SO 1157/QD-EVN 19 tilling 12 nam 2014 cua TOng Giant doe T4p (loan Dqn Itre V* Nam) Ha Ni, thing 12 nam 2014 TAP DOAN DIEN LIXC VIET NAM CONG HOA XA HOI CHU NGHIA VIET NAM DOc 14p - Tir - Hanh phtic \\9/QD-EVN Ha Noi, A g timing 12 nam 2014 QUYET DINH Ve vie;c ban hanh Quy trinh An toan dien reap doan Dien Inc Qu6c gia Viet Nam TONG Gam DOC TAP DOAN DIEN LVC VIET NAM Can cur Nghi dinh so 205/2013/ND-CP 06 thang 12 ram 2013 dm Chinh phfi ve viec ban hanh Dieu le to eh& va hoat Ong dm Tap doan Dien lvc Viet Nam; Can dr Nghi dinh so 14/2014/ND-CP 26 thang 02 ram 2014 cfra Chinh phir Quy dinh chi tiet thi hanh Lust dien lvc ye an toan dien; Can dr Thong tu so 31/2014/TT-BCT 02 thang 10 nam 2014 cfra BO twang Bo Cong Thtrang ve Quy dinh chi tiet mot so not dung ye an toan dien; Can cur Quy chuan ky thuat quac gia v'e an toan dien (QCVN 01: 2008/BCT) cua BO Gong Thtrang; Theo de nghi cfra Truerng Ban An toan, QUYET DINH: Dieu I Ban hanh kern theo Quyet dinh "Quy trinh An toan dien" Tap doan Dien lvc Quoc gia Viet Nam Dieu Quy trinh c6 hieu lvc ke tir 01 thang 01 nam 2015 va thay the cho Quy trinh An toan dien ban hanh theo Quy6t dinh so 1186/QD-EVN 07 thang 12 nam 2011 cfra Tap doan Dien lvc Viet Nam Dieu Cac Ph6 rang Giam dac, Twang Ban Tang hop, Tmong Ban dOng vien, Chanh Van phong, Truong cac Ban 'dem soat not IDO cfra chirc nang cita co quan Tap doan Dien lvc Viet Nam, Thu twang cac don vi trVc thuOc, cac Cong ty EVN nam gift 100% von dieu le, Ngtred dai dien theo fry quyen phan von g6p cua Tap doan Dien lvc Viet Nam tai cac cong ty con, ding ty lien ket chiu trach nhiem thi hanh quyet dinh nay./ Noi nh(tn: - Ntur diL 3; - Cpc KTAT va MTCN-B0 CT (b/cao); d6ng vin (b/cao); - Cong doan BLVN; - Ltru VT, AT TAP DOAN DIEN LI.J'C VIET NAM CONG HOA XA HQI CHU NGHIA VIET NAM DOc I4p - Tv - Hanh philc QUY TRINH AN TOAN DIEN TRONG TAP DOAN DIEN LifC QUOC GIA VIET NAM (Ban hanh kern theo Quyit clinh so 1157/QD-EVN 19 thong 12 elm 2014 clia Thing Giam doe Tap doan Dien h:rc Viet Nam) Chuang I QUY DINH CHUNG Dieu Phalli vi dieu chink Quy trinh quy dinh ye cac nguyen tac, bien phap dam boo an town xay dien thgc hien cong viec ,quan I/ van hanh, thl nghiem, stra dung duong day dan dien, thiet bi dien va cac cong viec khac theo quy dinh cua phap luat & thiCt bi dien, he th6ng dien Tap doan Dien lgc Viet Nam quanlr Dieu Dili tircing Ai) dung 1.Cong ty me - Tap doan Dien lye Viet Nam; Cac Don vi truc thuOc Tap doan Dien lgc Viet Nam; Cac Cong ty Tap doan Dien lgc Viet Nam nom gill 100% von diCu le; Ngued dai dien phap von gOp theo uy quyCn ciia Tap doan Dien lgc Viet Nam tai cong ty con, cong ty lien ket; Cac to chirc, ca quan, dan vi, canhan khac(khong phai la cac don ca nhan quy Binh tai Khoan 1, 2, 3, Dieu 2) den lam viec u cong trinh va thiet bi dien thu'Oc quyen quan ly cua EVN, cac don vi true thuOc, cac cong ty EVN nom gift 100% von diCu Dieu Giai thich tir ngI va cac tir vitt tat Trong Quy trinh nay, cac tir ngit va tir vitt tat clued day (Iliac hiCu nip./ sau: 1.EVN: Tap doan Dien lgc Viet Nam Ngithi lanh dao cong viec la ngu&i chi dao chung cong viec nhieu don vi cong tac dia ding mot to chirc hoot dOng dien lgc thgc hien Ngtroi chi huy trvc tiep la ngtreri co trach nhiem phan cong cong viec, chi huy va giam sat nhan vien don vi cong tac suot qua trinh thvc hien cong viec Nguai cap phiiu cong tac la ngued cUa clan vi trvc tiep quan 1)'7 van hanh cac thiet bi dien, clueing day dan dien dugc giao nhiem vu cap phieu cong tac theo quy dinh cua Quy trinh Ngiroi cho phep la ngued thvc hien viec cho phep dan vi cong tac vao lam viec a tai hien trueyng (nai hoac vi tri lam viec), hien truang cong tac da du dieu kien dam bao an toan ve dien Ngweri gicim sat an toan dien la ngued c6 kin thirc ve an toan dien, throe huan luyen, chi dinh va thvc hien viec giarn sat an toan dien cho dan vi ding tac Ngu.dei canh giai la rived duot chi dinh va thvc hien viec theo doi va canh bao an toan lien quan den nai lam viec doi voi cong (long , Dan vi cong tac la dan vi thvc hien cong viec sira chira, thi nghiem, xay lap v.v M6i dcm vi cong tac phai c6 it nhat 02 ngued, phai c6 01 ngtx6i chi huy trvc tie') chiu trach nhiem chung Dan vi lam cong viec la dan vi c6 quyen va trach nhiem cir don vi cong tac de thvc hien cong viec sira chua, thi nghiem, xay lap v.v 10 Dan vi quan ly van hanh la dan vi trixc tiep thvc hien cong viec quan ly, van hanh cac thiet bi dien, throng day dan diem 11 Nhan vien don vi cOng tac la ngued cua dan vi cOng tac trvc tiep thvc hien cong viec nguai chi huy trVc tiep phan Cong 12.Lam viec co dien la ding viec lam 6' thiet bi mang dien, c6 sir dung cac trang bi, dung cu chuyen dung 13 Lam viec co cat dien hoan toan la cong viec lam & thiet bi dien ngoai trefi hoac nha da &roc cat dien tix mai phia (ka ca dau vao cUa duo'ng day tren khOng va duemg cap), cac 16i di phan phan phoi ngoai trai hoac thong sang phong ben canh dang c6 dien da khod cira, trueng hop cl4c biet thi chi c6 nguon dien ap de tien hanh cOng viec 14 Lam viec co cat dien mot phdn la cong viec lam 'Cr thiet bi dien ngoai tred hoac nha chi c6 mot phan dugc cat dien, de lam viec hoac thiet bi dien ducec cat dien hoan toan nhung cac loi di phan phan ph6i ngoai tred ho4c thong sang ph6ng ben canh c6 dien van me( cira 15 Phtrang tien bao ve Ca nhan la trang bi ma ngued eta dan vi cOng tac phai sir dung de phOng ngra tai nan cho chinh minh sir dung 16 Xe chuyen dimg la loci xe duoc trang bi phuang tien cho muc dich rieng biet 17.Cat dien la cach ly phan dang mang dien khoi ngu6n dien a 18 Tram cach cUn (Gas insulated substation - GIS) la tram thu gon dat buong kim loaf dugc not dat, each dien cho cac thiet bi dien chinh cua tram bang chat nen (khong phai la khong khi) 19 DiOz ap la dien ap du6i 1000 V 20 Dien cao ap la dien ap tit 1000 V tra len Dieu Nhiing quy dinh chung de dam bao an toan dien Moi ding viec thuc hien tai thiet bi va vat lieu dien, a g'an hoac lien quan den thiet bi dien va vat lieu dien mang dien (ke ca dien cam Ung) deu phai thuc hien theo phieu cong tac hoac lenh cong tac quy dinh Quy trinh , Cdm,ra menh lenh hoac giao cong viec cho nhang ngtroi chua dugc huan luyen, kiem tra dat yeu cau Quy trinh va cac quy trinh c6 lien quan, chua biet ro nhang viec s8 phai lam Nhang menh lenh khong dung Quy trinh va cac quy trinh co lien quan khac, c6 nguy ca mat an toan cho ngued hoac thiet bi thi nguoi nhan lenh co quyen 'thong chap hanh, neu nguesi lenh khOng chap thuan thi nguei nhan lenh dugc quyen bao cao voi cap ten Khi phat hien can bO, cong nhan vi pham Quy trinh va cac quy trinh c6 lien quan khk, c6 nguy ca de doa den tinh mang nguoi hoac mat an toan dOi vOi thiet bi, nguei phat hien phai lap tire ngan chan va bao cao voi cap c6 tham quyen Nguefi trvc tiep lam cong tac guar' ly van hanh, kinh doanh, thi tieu chuan theo quy dinh Ich6e dien phai co xay nghiem, sixa cua phap luat ye lao Ong Nhan vien m6i phai qua thed gian kern cap cUa nhan vien c6 kinh nghiem de co trinh cho ky thuat va an toan theo yeu cau cua cong viec, sau phai dugc kiem tra bang bai viet va van dap true tiep, dat yeu cau mai dugc giao nhiem vu Quan dOc, ph6 quan d8c phan xtfang (hoac cap tuang duang), dOi coi san xuat, ky thuat vien, ky su trvc tiep san xuat, cong truOng, nhan (nhan vien) phai dugc huan luyen, kiem tra quy trinh moi nam 01 lan Giam dOc, Ph6 Giam doe ky thuat cap Cong ty (hoac clan vi tuang throng) cong nhan ket qua huAn luyen, xep bac va cap the an toan dien, luu giu h8 so huan luyen theo hang nam Can dr cac not dung quy dinh tai Dieu 5, Dieu 6, Dieu Thong to so 31/2014/TT-BCT 02/10/2014 cua BO Cong Thuang, not dung Quy trinh va thuc to san xuat tai ca sa cac dan vi cap COng ty c6 trach nhiem bien soan, ban hanh tai lieu huan luyen cho phir hop, sat thuc v6i nhiem vv cong viec cua nguei lao dOng Bac an toan dien va The an toan dien thuc hien theo quy dinh tai Dieu 8, Dieu va P1-11.1 LLJC I Thong to so 31/2014/TT-BCT 02/10/2014 dm BO Cong Thuang dugc trich dan tai Phu luc I cua Quy trinh Khi phat hien c6 nguai bi dien gi4t, bAt kST tnrang hop nao nguai pha.i hien clang phai tim bien phap nhanh nhat de tach nan nhan khoi mach dien va dru china nguai bi nan Phuong phap ciru china nguai bi dien giat dugc huang dan o Phu luc II cua Quy trinh Dieu Trach nhiem dam bao an toan cua cac cap span ly va lao gong Giam dee, Ph6 Giam dOc dcm vi trvc tiep sir dung lao d'Ong; Nguoi quan 151, dieu hanh trvc tiep cac cong truOng, phan >along hoc cac b8 phan tuang ducmg c6 nhiem vu de cac bien phap an toan lao dOngz kiem tra va giarn sat thuc hien cac bien phap an toan d6 don vi minh, dong thai phai chiu hoan toan trach nhiem ye nhang bien phap an toan ma minh da de Can bO an toan cac cap c6 nhiem vu kiern tra, giarn sat cac bien phap an toan da" de va ghi thong bao an toan de nhL nho phat hien nhang vi pham c6 the dan den mat an toan rong truangshgp vi pham cac bien phap an toan c6 the clan den tai nan, su co O thi dugc quyen lap bien ban va dinh chi cong viec de thuc hien du, dung cac bien phap an toan, dOng thai phai chiu hoan toan trach nhiem ye quyet dinh cua minh BO phasn hoc ca nhan truc tiep thuc hien nhiem vu chi dugc hanh ding viec da thuc hien di) \Ta dung cac bien phap an toan dal de Trong twang hop vi pham bien phap an toan bi phat hien, lap bien ban yeu cau tam dirng cong viec thi phai lap tirc dive hien du, clung cac bien phap an toan da de ho4c dugc yeu cau Chi dugc tiep tuc tien hanh cong viec sau dal lam du, dung cac quy dinh ye an toan va dugc can bO an toan chap thu4n Chuang II THAO TAC THIET BI DIEN Dieu Quy dinh chung Trong the dO binh thuOng, cac thao taco thiet bi dien cao ap deu phai 14p va thuc hien theo phieu thao tac quy dinh Quy trinh Thao tac he thong dien quOc gia Cho phep thuc hien the thao tac ten so not dien chink bang cac "Phieu thao tac mau" Phieu thao tac mau phai dugc cac cap c6 tham quyen phe duyet mai c6 hieu luc thi hanh Trong the dO su c8, thao tac cac thiet bi dien thuc hien theo Quy trinh Xir ly su co he th8ng dien quOc gia Thao tac clang, cat dien a thiet bi dien cao ap, it nhat phai hai nguai thuc hien (trir truang hgp thiet bi dugc trang bi d4'c biet va c6 quy trinh thao tac rieng) Nhiing nguai phai hieu fa sa va vi tri cUa thiet bi tai hien truang, mot nguai thao tac va mot nguai giam sat thao tac Nguiyi thao tac phai c6 bac an toan dien tra len, nguai giam sat thao tac phai c6 bac an toan dien ter len , Cam dong, cat dien bang than tac va dao cach ly thao tac truc tiep tai ciao hoac thay day chi doi ved thiet bi a ngodi trai lUc mua to nuac chay dong tren thiet bi, dung cu an toan hoac gang c6 giong set Dao cach ly dugc phep thao tac khong dien ho4c thao tac c6 dien dong dien thao tac nho han dOng dien cho phep theo quy trinh van hanh dm dao cach ly do dan vi quan ly van hanh ban hanh Cac truang hop Eng dao cach ly de tien hanh cac than tac c6 dien dugc quy dinh cu the Quy trinh Thao tac he thOng dien quoc gia Truang hgp da'c biet dugc phep &rig, cat dao cach ly trait, mua, giOng a nhung duang day khong c6 dien va thay day chi dm may bien ap, may bien dien ap vao inc hau am, trot sau da cat dao each ly ca hai phia cao ap va ap cila may bien ap, may bien dien ap Neu xay tai nan, six c6 hoac co the gay mat an toan cho nguai va hu hong thiet bi thi nhan vien van hanh dugc pile') cat cac may cat, dao each ly ma khong phai di lenh hoac phieu, nhung sau phai bao cao cho nhan vien van hanh cap tren Va nguai phu trach truc tiep cua minh biet not dung nhting viec da lam, dong thai phai ghi day du vao so nhat 14 van hanh Phieu thao tac thuc hien xong phai dugc km it nhat 03 thang TruOng hgp thao tac c6 lien quan den su co, tai nan thi cac phieu thao tac c6 lien quan phai dugc luu ho so diet' tra su co, tai nan lao dOng cilia dan vi Dieu Track nhiem dm nhfing nprol thuc hien 1.Nguai lenh thao tac phai hieu trinh to tien hanh tat ca cac buck thao tac da dg kien, dieu kien cho phep thuc hien theo tinh trang sa thgc to va the van hanh thiet bi Khi truyen dat lenh, nguai lenh phai not rei ho ten minh va xac dinh 1.6 ho ten, chirc danh dm nguai nhan lenh Lenh thao tac phai dugc ghi am va ghi chep day dil Nguai nhan lenh thao tac (nguai giam sat thao tac) phai nhac lai toan bi, lenh, ghi chep day du trinh to thao tac, ten nguai lenh va thai diem yeu cau thao tac Khi chua hieu rO lenh thao tac thi c6 quyen de nghi nguai lenh giai thich Chi nguai lenh xac dinh hoan toan dUng va cho phep thao tac thi nguai giam sat thao tac va nguai thao tac mai dugc tien hanh thao tac Thao tac xong phai ghi lai thai diem ket thUc va bao cao lai cho nguai lenh Truang hgp nguai nhan lenh thao tac khong phai la nguai giam sat thao tac thi nguai nhan chuyen lenh thao tac phai ghi day du lenh vao so nhat ky van hanh, ghi am (neu co) va c6 trach nhiem chuyen lenh thao tac den dung nguai giam sat thao tac Trong dieu kien van hanh binh thtrang nguai giam sat thao tac va nguai thao tac phai thpc hien nhihig quy dinh sau: a) Khi nhan phieu thao tac phai doc ky va kiem tra tai nOi dung thao tac theo so do, neu chug thi phai hoi 10 nguai lenh Neu nh4n yenh bang dien thoai thi nguai giam sat thao tac phai ghi day du lenh va nhac lai tirng d'Ong tac dien thoai, ghi am lai (neu co), ghi ten nguai lenh, nhan truyen lenh vao phial thao tac, nhat lc-5T van hanh; lenh, ngay, ,b) Ngtrai giam sat thao tac va nguai thao tac, sau xem xet khOng thac mac ding 1(57 vao phieu, mang phieu den dia diem thao tac; theo so (neu tri) thao tac phai kiem tra lai mot lan c) Tai not not dung ghi phieu, co) va doi chieu vi tri thiet bi tren thge to dimg &rig thai kiem tra xung quanh hay tren thiet bi gi tra ngai khong, sau mai dugc phep thao tac; d) Ngued giam sat thao tac doc to timg dOng tac theo tit* to da ghi phieu Ngtrai thao tac phai nhac lai, nguai giam sat thao tac lenh "dOng" hoac "cat" nguai thao tac mod dugc lam dOng tac Moi dOng the a thvc hien xong, nguai giam sat d8u phai anti dau (x) vao 'nue tuong ang phieu; e) Trong thao tac, neu nghi nga dOng,tac vira thvc hien thi phai neu khong c6 bat thuong thi kiem tra lai toan ngimg, cong viec moi tiep tpc tier' hanh; f) Neu thao tac sai hoac gay su co thi phai ngimg viec thpc hien theo phieu thao tac va bao cad cho nguai lenh biet Vies thgc hien tiep thao tac phai tien hanh theo mot phial mai; lam viec, bO phan truyen dOng cua g) Sau thao tac cat dien dao each ly phai treo bien "Cam clang dien! CO nguai dang lam viec" va phai di them bien phap tang cuang (khod tay truyen dOng, at tam lot, Cir nguai canh gac v.v) de khOng the dong dao dua dien vao thiet bi c6 nguai dang lam viec h) DOng, cat dao each ly tai ch6 true tiep bang tay phai mang gang tay each dien va di ung each dien (hoac mang gang tay each dien va dirng tren gh8 each dien) Chi dugc &mg, cat dao each ly (hoac cau chi to rai) tren cot vai cap dien ap < 35 kV bang each dien dieu kien khoang each tir phan clan dien thap nhat cua cac thiet bi den nguai thao tac khOng nhO hon 3,0 m, tnrang hop nguai thao tac phai mang gang tay each dien Trong moi tnremg hop, nguai lenh thao tac, nguai giam sat thao tac, nguai thao tac, nguai nhan chuyen lenh thao tac (neu co) phai chiu trach a nhiem ve viec thao tic cac thiet bi diem Chi dugc cho la hoan nhi'em vu ngued giam sat thao tac bac) cao cho ngued lenh thao tac da thao tac xong Chuvng III BIEN PHAP KC' THUAT CHUAN BI NOT LAM VIEC DE DAM BAO AN TORN Kill TIEN HANH CONG VIEC Muc QUY DINH CHUNG Dieu Bien Oar, 11(S, thu4t chung Nhang bien pilaf) ky thuat chuan bi nod lam viec phai cat dien bao gOm: 1.Cat dien va ngan chan c6 dien trO lai not lam viec Kiem tra khong dien Brat (lam) tiep dat Dat (lam) rao chin; treo bien bao, tin,hieu Neu cat dien hoan town thi khong phai lam rao chan Bien bao an toan ye dien thuc hien theo quy dinh tai Dieu 14, Dieu 15, Dieu 16 va PHIJ LUC II Thong to so 31/2014/TT-BCT 02/10/2014 dm B6 Gong Thuang dugc trich dan tai Phu luc III cua Quy trinh Muc CAT DIEN VA NGAN CHAN CO DIEN TROD LAI NM LAM VIEC Dieu C'At dien de lam cong viec nhirng truirng hyp sau: 1.Nhang pWan c6 dien ma tai d6 se tien hanh cong viec Nhang phan c6 dien ma lam viec khong the tranh dugc va cham hoac vi pham khoang cach quy dinh nhu sau: Khoang each den phan mang dien (m) Cap dien ap (kV) 0,7 Tir den 15 1,0 Tren 15 den 35 1,5 Teen 35 den 110 2,5 220 4,5 500 Truang hgp khong the cat dien dugc, nhung lam viec van c6 kha nang vi pham khoang cach quy dinh tai Khoan Dieu thi phai lam rao chan Khoang cach nho nhat tir rao chan den phan mang dien quy dinh nhu sau: Cap dien tip (kV) Tir den 15 Tren 15 den 35 Teen 35 den 110 220 500 Khoang each nho nhat (m) 0,35 0,6 1,5 2,5 4,5 * Yeu cau, each thi.rc dat rao chan, treo bien bao, tinh hieu thuc hien theo quy dinh tai Dieu 17 va 18 Quy trinh va &roc xac dinh thy theo dieu kien cu the, tinh chat cong viec ngued chuan bi not lam viec, nguai cho phep hay ngued chi huy true tiep chiu trach nhiem Dieu 10 Cac yeti cau cat dien de lam cong viec Cat dien de lam cong viec phai thuc hien nhu sau: Phan thiet bi tien hanh cong viec phai &roc nhin thay ro da cach ly khoi cac phan c6 dien tir moi phia bang each cat dao each ly, thao cau chi, thao dau cap, thao day dan (trir tram GIS) dm cat dien d lam viec chi bang may cat, dao phv tai va dao each ly c6 bO truyen dOsng to Ong Phai ngan ch4n doge nhang nguOn dien cao, tip qua cac may bien tip luc, may bien tip luting, may phat dien khac c6 dien nguoc tr& lai gay nguy hiem cho ngued lam viec DOi v6i nhang may phat dien diesel hoac nhang may phat dien bang nguOn nang luting so cap khac hoat,dOng phai tach rieng re, hoan toan dOc lap (ke phan trung tinh) ved phan thiet bi clang c6 ngued lam viec , Neu cat dien bang may cat va dao each ly ,c6 bO truyen dOng (lieu cat xa thi phai khod mach dial khien cac thiet bi nay, bao khien aptomat, go' cau chi v.v DOi voi dao cach ly thao tac true tiep bang tay, sau cat dien phai kiem tra luOi dao da vi tri cat va c6 giai phap nhu Diem g Khoan Dieu Quy trinh de khong the &rig dien tro lai Cat dien nhan vien van hanh dam nhiem Cam uST nhiem viec thao tac cat, (Ring cho ngued cila don vi cong tac, trir tnr&ng hop nguati thuc hien thao tac da (loge huan luyen, kiem tra cong nhan chirc danh van hanh va throe phep caa don vi van hanh Cat dien timg phan d lam viec phai giao cho nhan vien van hanh , nam yang so va vi tri thuc to cua thiet bi de ngan ngira kha n'ang nham lan, gay nguy hiem cho don vi cong tac Dieu 53 Ngan ngira vat lieu, dung cu ro'i tir tren cao Khi sir dung vat lieu, dung cua tren cao va dua vat lieu dung cu len hoac xuong, ngued thgc hien phai co bien phap thich hop de khong lam mi vat lieu, dung cu Dieu 54 Lam viec tai cot Khi dung, cat phai ap dung cac bien phap can thiet nham tranh lam nghieng ho4c cot Khi dung, cat On \Tad duOng day dan dien, phai ap dung cac bien phap phi' hop de khong xay tai nan vi pham khoang cach an toan theo cap dien ap cua duong day Dieu 55 Lam viec veri day clan Khi thgc hien viec keo cap ho4c do' cap dien, phai thgc hien cac yeu cau sau day: Kiem tra tinh trang cua co cau 11.6 trq va cap dan bac) dam hoat clang binh thuong, cac bien phap ngan ngira sap phai dugc ap dung voi cap dan tam v.v Ap dung cac bien phap darn bao an toan cho cong (rang nhu dat cac tin hieu canh bao nguy hiem, cang day ho4c hang rao gioei han khu vgc nguy hiem v.v va bo tri nguOi canh gioi thay can thiet thitt bi dien Dieu 56 Lam viec Khi nang, hoac thao thiet bi dien (nhu may bien ap, thiet bi &rig ngat, sir cach,dien v.v.) phai ap dung cac bien phap thich hop de tranh roi, va cham hoac xay tai nan vi pham khoang each an toan giaa thiet vOi day dan dien ho4c thiet bi dien khac Dieu 57 COng viec dao 'ming cot va hao cap Khi dao mOng cot, hao cap don vi cong tac phai ap dung bien phap phu hop de tranh to dat Dan vi cong tac phai thgc ,hien cac bien phap phu hop de ngan ngira nguoi rai xuong ho nhu dat rao chan, den bao va b8 tri nguai canh gioi can thiet Truck dao don vi cong tac phai xac dinh cac cong trinh ngam o clued hoac gan nai ciao va co bien phap phii hop de khOng xay tai nan ho4c hu hong cac cong trinh Neu phat hien cong trinh ngam ngoai dg kien ho6c cong trinh ngam bi hu hong, dan vi cong tac phai dirng cong viec va bao cao \tad ngueri có trach nhiem Tnreng hop cac ding trinh ngam bi hu hong, gay tai nan thi don vi cong tac phai ap dung cac bien phap thich hop de ngan ngira tai nan tiep dien va bao cho cac to clirc lien quan 99 Phu luc XII XAC DINH HE SO HO CAM (M) Trueng hop khong dam bao chi'eu fOng cua yong lugn theo mat bang chan cot (gan sat mat dat) theo Khan 1, Dieu 79, cho phep lua chon chieu rOng theo ding thirc: 30 x10 L— MwI Trong do: L - Chieu rOng len nhat cho phep cua yong lugn tinh bang met - Tan se gOc lay bang 3,14 I - Deng dien ngan mach mot pha tinh bang A M - He s6 ho cam, tinh bang micro Henri/km drn dien dieu kien Yeu cau khOng dp dung cho &rang daya co dung dien cham dat nho han 500 A He se h6 cam M gii a cac day dan dugc xac dinh theo dung cong (theo hinh ye) 1.2 IA 1.6 1.8 2.4 3.6 3.9 4.5 10 12 14 16 18 20 26 30 35 40 45 50 60 70 80 90 100 120 140 160 180 200 230 300 330 400 600 700 800 IS 14 12 100 500 41 40 35 300 25 200 10 /6 14 µH /km Co cOng thirc: M = F (10 a VcS f ) 10 X Teen thi, true hoanh la tri se M- he se 118 cam (micro Henri/Km) "/' a- khoang cach giixa cac day dan (met) f- tan se luei dien (50Hz) 5- dien ddn cua dat (theo he CGS t) va truc tung la tri se M 100 3o x \fa dua vao true hoanh De xac dinh M phai tinh tri s6 ben tren, chieu xuong duang cong, keo sarfdtriic tung de tim tri so M Vi du: Xac dinh he so M giira cac day dan khoang each gitta chang a = 30m; = 5x10-14; f= 50 Hz 10 x 3011 5.10-14.50 A on Tix diem 48 a true hoanh phia ten, chieu xuOng duang cong va keo sang true tung thi &roc M = 7701,1H/Km Chu8i vat Rong roc tha Rang roc Khona Qua 50 m 101 Phu luc XIII AP DUNG TIEU CHUAN THU NGHIEM DUNG CV AN TOAN DIEN I Tieu chuan Viet Nam TCVN 5587: 2008 - Ong each dien c6 chira bot va each dien dang dac de lam viec c6 dien II Tieu chuan theo quy dinh dm nha san xuat 1.Ung each dien Gang each dien Tham each dien Ghe each dien Wit thir dien Kim each dien Tiep dat di d6ng BO quan, chOng dien tir truang Thi& bi, dung cu lam vie'c mang dien ap III Truemg hop dung cu an toan va dung cu mang dien ap chua c6 Tieu chuan Viet Nam va Nha san xuat khOng quy dinh tieu chuan thi tam tiled Rir dung quy dinh sau: A Dung cu an town : Do de dai al each dien ChiL dai t6i thijeu (mm) -mita bi ngoai treri Thiet bi nha Dien ap danh dint va clueing day ten khong (kV) DO dai DO dai DO dai Do dai be phan be phan be phan be phan tay nam (m) each dien (m) tay nam (m) each dien (m) 0,4 1,1 0,7 0,3 10 troy xuong 0,6 1,4 1,1 0,4 35 tro xuong 1,0 2,0 1,8 0,9 110 tr6 xu6ng 1,0 3,0 220 trO• xuong b) Kim each dien - D6 dai b6 phan cong tac khong quy dinh; - De dai to'i thieu phan each dien va phan tay cam quy dinh bang sau: Thie't bi ngoai troi Thiet bi nha va &rang day ten khong Dien ap dinh DO dai DO dai mire dm thiet DO dai DO dai be phan be phan bi dien (kV) be ph4n be ph4n tay nam (m) each dien (m) tay nam (m) each dien (m) 0,20 0,75 0,15 0,45 10 0,20 1,20 0,20 0,75 35 102 c) Cai chi dien ap (but thin dien) - DO dai tai thieu phAn each dien, phan tay cam va dO dai toan 1)0 quy dinh bang sau (dO dai bO phan den tin hieu khong quy dinh nhung dO dai toan 130 cai chi dien ap khOng dugc nh6 bon quy dinh neu bang sau): Dien ap dinh mix cUa thiet bi (kV) Den 10 Tren 10 den 20 Tren 20 den 35 DO dai 13,0 phan each dien (mm) 320 400 510 DO dai 1)0 ph4n tay nam (mm) 110 120 120 DO dai toan 1)0 (mm) 680 840 1060 Thir dien ap xoay chieu Din AI) Ten dung cu Sao cach dien throng Gang cach dien Giay cach dien Ung each dien ,rho day sir Dung cu mei dung (kV) 3 Fan dien ap Den day nhung 110 khong be bon 40 dinh kST Thai gian Mir (phut) Chu Yeu eau thin Ging nhu mai nam 1an dien ap pha Ging nhu mai nam 1".n dien ap 35 tra day nhung khong be xuong 40 Giong nhu mai thang Den 3,5 GiOng nhu mai Tren GiOng nhu mai Tren 110 Kim each dien Dien ap fir& (kV) Cac loci then ap Den 20 15 Giong nhu mai Khong xay danh thUng hoc ph6ng dien be mat ho4c dot nong cuc Ix) ton hao each dien Dong dien d6 khong vugt qua 3,5 mA DOng dien dO khong vuo:t thang qua mA thang Dong dien Mai: khOng vuo:t Cu: than g qua mA (phut) than g Deng dien khong vugt qua mA 103 Tham each dien Ghe each dien Tren 20 io ngi nhu Hi b Den 7,5 3,5 Tren 20 15 Cac loai dien ap 40 Gingnhu moi nam nam Cai chi dien ap Ban than cai chi dien ap, but thir dien BO phan cach dien Ong dien tref Den 10 Tren 10 , den 20 Tren 20 den 350 den 35 thang 20 20 20 20 20 Dong dien IchOng vuot qua mA Dong dien Ichong vucrt qua 7,5 mA Dang dien khong vucrt qua 20 mA _ nam thang thang than thang thang thang Den 10 40 40 Tren 10 den 20 70 70 Tren 20 den 35 105 105 6 10 10 10 40 40 1 nam 20 20 1 nam thang nam nam Cai chi &mg dien (Ampe cap) Ph'n each dien 2.130 phan 101 sat Den 10 ; Den 10 104 B Dung cu lam viec có mang dien Thu' by Tieu chuAn till nghiem Hang muc thi nghiem - Dung cu clang ap Tri s'6 dien ap th* tren tn'Oi cm chieu dal dOi \Ted 130 phan cach diencila cac loci dung cu each dien : * Thu chiu dien ap xoay chieu - Dung cu moi : 1,7 kV - Khi kiem tra : 1,5 kV Thei gian thin : phUt - Dung cu lam viec co mang dien Sao treo, day each dien, sit day, chiu luc, day, chieu dai 13, phan each dien lulu dung; can phai pha hop tri so duai day: Chieu dai bO Dien ap duping day phan each dien lift dung (m) (kV) Chieu dai be nhAt cila bO phan cach dien hiru dung (m) dial kien thiet bi ha.n the 3,3 + 10 0,5 0,4 35 0,4 77 + 110 1,5 1,0 DO dai bO phan each dien hal dung ti.r vOng bao ve tr.& len dm each dien can phai phi hop vefi bang duOi day: * Do ch ie u dai Dien Ai) duping day (kV) DO dai 130 phan each dien him dung (m) DO dai tay n&tn (m) 3,3 + 35 1,0 0,6 + 0,8 53 + 110 1,5 0,8 +1,0 Ghi chn: Khi dieu kien thik bi lam han the dO dai cila thi có the cho phep rut ngan dO dai 130 phan each dien him dung to vOng bao ve tro len nhung khOng duac be hon quy dinh duai day: 3,3 + 35 kV - 0,60 m; Tren 35 den 110 kV - 1,0 m 105 Dung cu each dien true tiep tiep xiac vgi blo phan mang dien can phai thir voi dien ap dual day : 10 15 35 77 110 Dien ap dinh mire (kV) 40 40 48 110 245 280 Dien ap thU (kV) Thai gian thir phut Ghi chU : Thir dung cu mai va thir dinh ky deu tien hanh theo ding mot tieu chuan Thir dien ap • xoay chi.L Dung cu each dien khong dugc true tiep tiep xuc vao cac, bo phan mang dien can phai thU vcri dien ap duOi day: a) Thiet bi 110 kV: - Thir dung cu mad: Moi cm chieu dai thir 2,80 kV ‘ - Thu kiem tra: MOi cm chieu dai thu 2,10 kV b) Thik bi duoi 110 kV: - Thir dung cu mai: M8i cm chieu dai thir 2,40 kV - Thu kiem tra: M6i cm chieu dai thir 1,90 kV Thai gian thir phUt Ghi chti : Dien ap thir can phai (14 tren toan bO chieu dai doan each dien Khi thir cling cho phep, chia To tiling doan de thir nhtmg khong duge phep, chia qua doan can phai tinh doan (khong ke day tilling each dien) Dien ap d;at tren theo dien ap dat tren town bO chieu dai va tang them 20 % Thfr dien ap can phai tier' hanh sau thir cg Neu suOt thei gian thir dien cao ap, dung cu each dien c6 the chiu dugc dien ap Tat vao, be mat khong xuat hien tugng ph6ng dien va sau cat dien lay tay so vao bo ph4n each dien khong thay c6 phat ne -1g cue 1DO thi dung cu each dien dugc coi nhu dg yeu cau Chu lcY thir: thang tien hanh mot lan; ngoai neu phat hien each dien bi am nghiem va bC) phan co bi hong deu phai tien hanh thir Dung cu each dien sau dai to can phai thir theo tieu chuan nghiem thu nhu dung cu 106 Phu luc XIV TIEU CHUAN, THIJI HAN THIY NGHIEM CAC MAY MOC, DUNG CU CAU, KEO Ten goi cac may moc va dung cu Tai thin nghiem (kg) Thai gian Khi nghiem thu va Thir clinhky` flair sau dai tu DOng (philt) Tinh DCmg Trnh 10 1,1 PH 1,0 PH 1,1 PH 1,25 PH 10 1,1 PH 1,0 PH 1,1 PH 1,25 PH 1.Taiquay tay Pa rang Rang roc va 1,25 PH day rang roc 1,25 PH Kich T 1,25 PH CaRthep Day chao bang gai, bang sgi PH bong va sgi tong hop hgp Moc, khoa m6c 1,25 PH vOng va cac dung cu tuang tu Day deo (hoac treo) an than, 300 chao boo hiem Chan treo dung cho thg1ap dien 180 treo OA 10.Thang go 120-200 Thai han thin nghiem (thong) 12 12 1,1 PH 1,1 PH 1,0 PH 10 12 1,1 PH 1,1 PH 1,1 PH 1,0 PH 10 10 12 1,1 PH 10 1,1 PH 10 225 135 100+18 12 *Clio thich: PH-Tai lam viec cho phep Khi kdt qua Mir nghiem tinh khong clot yeti cdu thi khong can tien hanh thti nghiem clang Thin nghiem clang la nang len, xuang nhieu ldn mat vat nang Khi thin nghiem tinh, vat Ong de thee phcii each mat cidt hoac mat san khocing 100 mm Khi thee nghiem, chao va xich phai chiu du.dc tai thti nghiem ma khong bi clot, khong bi gian cyc beS ret (clai vai day chao) mat xich khong bi bien clang re; ret Trudc Ozer nghiem, cac may mac va dyng cy cdu nang phai Aviv quan sat, kidm tra va can thidt phai duvrc seta china lai Tdt ca cac may mac va dyng cy cdu keo sau dai tu deu phai du.dc thi nghiem lai, khong le thuoc vao thdi gian kiem tra dinh k5) 7.Cac kick kidu rang vit khong phai then nghiem clinh kji, song thong phai kidm tra mat ldn Viec thic nghiem cac may mac va dyng cy cdu keo phai tien hanh then cac didu chi diin ciia quy pham may tryc 107 Phu luc XV BANG 1: THO'I GIAN CHO PHEP LAM VIEC TRONG MOT NGAY DEM PHiJ THUOC VAO CliCING DO DIEN TRU'ONG Dien truang