· I~~IIIIIUIIIIUIII~IIj s ~~*GT0126256* .

c elClerElectricGet mtJf't!with tire word's Power 115 Control Specialist

SCHNEIDER ELECTRIC S. A .

...,HUaNG DAN

THIET KE LAP BAT BIEN. .Theo tieu chudn quoc ta lEe

(In ldn thu 5 co chlnh sua)

Nguai dich

Phan Th] Thanh Binh, Phan Quae Dung, Pharn Quang Vinh, Phan Th] Thu VanPhan Ke Phuc, Nguy~n Van Nha, DLldng Lan Hironq, Bui NgC?eThuTo Hiru Phuc, Nguy~n Ba Ban, Nguy~n Th] Quang, Ngo Hai Thanh

THU VI~N rR! I~NGDHSPKTMGT --126256NHA XUAT BAN KHOA HOC VA KY THUAT

HANOI-20M

/ ....

Dich tir ban tieng Anh:

Electrical Installation GuideAccording to IEe International Standards

Lei tuo

Bjorn Folcker. CIlli tich Uv I){III t u' \'(1'11 1'/ an toan (ACOS -Advisor» Conimitee on Safety) CI/a Hoi riling Kv tluuit dien QII{YC Ie'(IEC - Internationul Elertrotechnical Commission).

HQl dong Ky thuat dien Quae te da soan rhao ky Iirong caclieu chuan nham si'r dung dien an loan. Cac rieu chuan nay diroccong nhan va ap dung ngay cang n)ng rai Iai nhieu quae gia trenthe aioi. Khuynh hirona do 10 ra ral hiru Ich trona cac trao ct6ithuimg mai quoc te va dicu nay cling da diroc khtmg dinh gan daytrong Hiep dinh thue quan roan cau (GAIT) cua T6 chirc Mau dichthe gi6i (WTO - World Trade Organisation). Hiep dinh nay dacong nhan die lieu chuan noi tren nhu la co si'1 chung eho cac traoct6i thuong mai quoc te.

Uy ban ky thuat 64 cua lEC, phu trach cac van d~ lap d~t dientrong cac cong trinh xay dung, da hoan thanh nhiern ~I cua minhbang each dua ra 10<;11 lieu chuan IEC 364, cLIng cap cac gLlY dinhcan rhier d~ dam bao an roan trong I~p dat dien ha the (diroi1000 V).

Toi rat han hanh diroc gi6i thieu dcn cac d<)c gia quyen sach"Hirong dan thiet ke hip d~t dicn" nay, trong do cac tac giil c1a b6sling va CLI th~ hoa nhirng tieu chuan do U)' ban ky thuat 64 dira ra.Cac thong tin va dfr kicn thuc tien de cap trong quycn sach nay rathiru Ich lrong viec thict kc' hoac lelr dilt dicn phu hop voi cac yellcau vc an to an cua lEe va ticu chuan cua S;lI1 pham. Kinh nghicmtrcn binh dien quoc gin da cho thay nhCrng tai lieu huang d~n nhir

'd

quycn sach nay la cong C~Ihiru ich giup emr dung ch~dang hon cacquy dinh CLIafEC ~M trong thirc rc.

Do «1m quan trong cong vice cua Uy ban Ky thua: 64, ACOSda chi dinh nhiem vu chu dao v~ an loan cua Uy ban nay 1a "Bao v~

. chong dien giat". Di0u nay ham nghia la cac quy lac co ban v~ baove chong dien gi~t do Uy ban 64 de ra sc phai dHQ'Ccac Uy ban kythuat khac cua IEC xem xet dcn khi soan thao cac lieu chuan co. .

lien quan den van de nay, vi du nhir cac lieu chuan cua cac loaithie] bi dien .

• Bjorn L Folcker (TI1UY. Dien), M. Sc. (Ef Eng.), tung la PhoChLI rich Uy ban Dien lire Thuy Difn (Svenska ElektriskaKomrnissionen - SEK), la Uy ban quoc gia Thuy Difn cua lEC vaCENELEC. Ona da cons rac hon ~onam tai Vien kiem dinh thietbi dien Thuy Difn (SEMKO - Swedish -~stituie for Testing andApproval of Electric Equipment). Trang thoi gian nay, ong da thamgia uch circ vao viec soan thao cac tieu chuan qucc te v0 an roancho cac thier bi dien. Hien nay, ong Ia nr van cua SEK.

Bjorn 1. Folcker la chu rich ACOS tLr 1987, dong thoi cling lachu tich mot so uy ban khac cua IEC trong linh vue an loan.

4

Loi gioi thieu

Toi I/{III ltanh duuc glrfl Ihifu nji dong d(IO h~/1I docqllyell S(I('h "l luoug ddll Ihi('f J.j 1(7/1di'll dieu" theo tie« chiulnqll('/(, le'IEe cua '/'(111doau SCII N U Dh'R, h(/II dich Cl/O cactlul», C() gi(lO dd "d dOllg gi(/lIg da.v tai truong D'ai hoc K.v111lI(it (tru/«: d(IY hi D'ai hoc Bach khoa] tlrauh IIMf I fr) ChiMillh,.

Noi clung ciia sach I/{iy de! c~JjI dell nhi eu vdn de'rat ronglou trong liult "I/C UjI d~/I traug Ihief bi dien: iiI' gioi thieu cactieu Chlldll, qu» trinh. qlly pliam dell thong s(f "d tinh 1I(/lIg/1I(IY 1'11l)C,dl/lIg C(I, traug tlii e! bi dien, pluroug 111/(ljI tinhtoan. thief ke'('(1c sa do ('(III dieu dam bdo yell cdu ,i tin c~/y.bdo ,'f cl/{)llg hi dien gi(11 va bdo "f chl>llg cac 11/(hong c() the".\(Iy ra d{/i 1'(li 1III/(IIg /11/(/11 lir kliac nhau troug luoi dieu, ddchi¢t Id luo! dicn ha (IP "d trong C(Ie cong trinh dC/II dung.

lliell hii'f"e' Idp d~/llmllg thief bi dien hi mdng kiell III/(cquan trong trong qll(1 trinlt 11001 d(jllg cua IIII/(/Ig IIgl((yi lam/lghe! di¢1I Ilflhief ke: .\'(/y 1(7/1, gi{1111 sat thi cOIIg den vdnltanh . S/(O chita Ihii'l bi difll sao 1'1/0 pll/I h~1JI 1'(Yi cac tie 11

Cllll//ll qll/k gill 1'(1qll//c Ie: dam h(IO cdc {1/{JlIg S(j' k,v III//(il "cI{I/1 toau cho IIgI({yi "{I {hii'I hi.

Ily "~mg ('(Ic ban doc ('() {he" tint {hll\ IIhie'll thong till cdnIhief ('(I 1'(1 I.',. (lllIyel Idll tlu«: hanlt trong qllyell sach I'll' h{~'ich I/{Iy.

fill noi. 1I,!:11\,IJI{/tI/lIg 5' /1(/111 2(}(}{)

VS. cs TSKI-I Trdll fJillll Long

On behalf of SchneiderElectric S. A., I confirm that theVietnamese translation of theElectrical Installation Guide hasbeen done with the auihorisarionof Schneider Electric S. A.France I would like also to thankthe teachers of the ElectricalSupply and ElectrificationDepartment of Ho Chi Minh CityUniversity of Technology for thevaluable work that has beennecessary to realisc thistranslation, I am conviccd thatthis document will he a greatsupport for Vietnamese students.

CHAN Ye\1'-W(/iChief" Evecutive (~rSchneider

ll ectric S. A. Resident Repre-scutative Office in Vietnam. '

111ay mat Schneider ElectricS. A., tC)ixac nhan ban dich sangticng Via cua tap sach ElectricalInstallation Guide nay dil duoc SLrdong y cua Schneider Electric S.A. France.

Toi tran trong earn on cac vigiang vien IX) mon Cung cap dicnva Dicn khf hoa, khoa Dien -Dicn ur Truong Dai hoc Ky thuatTP Ho Chi Minh eta dong gopcong sire quy bau dt hoan thanhban dich nay. Toi tin rang quycnsach nay se la mot SLr h6 tro lonl16i voi sinh vicn nganh dien taiViet am.

C/IAN Yew - Vl/oiFn(fllg fJoi clienV<711j1!/()lIg !Joi di£'n /h/((J'ng truSchneider ll ectri« S. A. tai\'i('/ Num

Cuon "Huong ddn thie: ke'Idp dijl dien" nay danhcho cac ky sir dien I~HTI e6ng rac thiet ke, thirc hien,gAm sat hoac bao tri trong Iinh vue Hip di;lt dien nronghop voi cac tieu chuan quae te cua Hoi dong ky thuatdien quae re (lEC). "Cac giai phap ky thuat nao nhamdam bao thoa man uft ca cac quy dinh v~ an roan'?", dola cau hoi rhuang xuyen diroc di;lt ra khi soan thaoquyen sach nay.

Ticu chuan quoc te nhir IEC 364 v~ "uip dat dien

rrong cong trinh xay dung" xac dinh mot each baa quatcac quy t!ie can thiet nham dam baa an roan va cac quydinh ve dac tinh lam vice cua moi dang lap di;lt dien.Do tieu chuan can co t inh baa quat va eo th~ ap dungvci moi loai san pham cling nhir cac giai phap ky rhuat

khac nhau diroc sir dung tren the gioi, van ban cac quydinh cua IEC duoc viet mot each phtrc tap va khongdtroc trinh bay thco mor trinh tu de irng dung. Cac tieuchuan nay, VI vay. khong the: xC.lTI nhir mot earn nangtrng dung ma chi co th~ la cac tai lieu tham khao.

Ml.IC dich cua quycn "Lluong ddn lhiel keldp dijldien" nay lit khao sat van de thier k6 lap di;ltdicn uronghop voi ticu chuan lEe ::164va cac ticu chuan IEC khacmo: each fO rang, thuc tien va h~ thong. VI vay,

7

•

chuang dall tien, chuang (B), trlnh bay t6m t~t noidung quyen sach va moi chuang tiep theo se Ian IU91trinh bay tung muc rrong tOng s6 8 muc diroc khao sat.Hal chirong cuoi cung diroc danh cho viec khao sat cacnguon, tal v~ vi tri dac bier, cling nlur cac phu luc cungcap cac thong tin phu. Can hru y dac biet den phu lucve Ttrong hop dien tir (EMC - ElectromagneticCompatibility), diroc vier dua tren cac kinh nghiemrhuc tien va rong rai ve van de nay.

Chung toi mong quy doc gia se thay rang quyen sachnay thirc sir hiru fch.

Schneider Electric S. A.

Loi cant La

Quycn sach nay do mot I~p Ih0 gom cac chuycn giaq1l6'c Ie giaLl kinh nghiem soan thao, dua tren ban in IanIh(1' ba cua quyen "Guide de l'iustall ation electrique" doCong Iy Merlin Gerin [In hanh, va bao g6m eel nhirng vande moi nhar trong Iinh vue lieu chuan hoa ve dicn.

Khong th~ k~ het ten nhirng ngtroi c1adang gap vaoquy0n sach nay, nhung cluing toi dac hi¢1 earn on ongJean-Pierre ROULET-DURONET, ESE Eng., SEE, nguoidicu hanh du an, ong Edwin COEY, C. Eng., thanh vienlEE, ngLTai vier va dich chinh, va ong Alain CHAROY,Ran chap hanh AEMC, vid phu luc vc urong hop dicn Ill',duui SLf chi dao cua Michel MEGRET, Pho giam doc velieu chuan, Schneider Electric S.A .. Chung roi cling d~chi¢1 earn on ong Bjorn FOLCKER, Chu rich IEC/ACOS daviet 1(1iura cho quyen sach nay.

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Ml)C Ll)C

1. Loi tua2. Lei gidi thieu3. Carn ta4. Muc luc

CHVONG B.:! A "" ••••.

TONG QUAN - CONG SUA T DA TI Phuong phap luan2 Cac qui Hie va qui dinh2.1 Xac dinh dp dien ap2.2 Cac qui dinh2.3 Cac tieu chuan2.4 Chrt hrong va tinh an roan cua mang eung dp dien2.5 Ki~rn tra ban d'au cua rnQt mang dien2.6 Kiern tra dinh ky mang dien2.7 SI/ phu hop (vdi cac tieu chuan va di[ledi~rn ky thuat) cua

thie't bi dlf<;lesi't dung trong mang dien3 Dong co, phu tai nhiet va chieu sang3.1 Dong co earn ling3.2 Dong co mot chieu3.3 Cac thiet bi nhiet kieu dien trd va den nung sang (loai

halogen hoac thong dung)3.4 Den huynh quang va cac thiet bi lien quan3.5 Den ph6ng dien4 Cong suflt tai cua Ilfoi4.1 Cong surt di[lt(kW)

Trang .•

359

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4.2 Cong sua't dat bi€u kien (kV A) B314.3 Tinh toan cong sua't yeu cau thuc B33-4.4 Vi du sa dung cac he;:s6 ku va ks B364.5 He;:s6 khong d"Ongthai B384.6 Chon lua cong sua't may bien ap B384.7 Chon lua nguon eung cap dien B39

CHVONGC, K' A K

CAC TRAM BlEN AP PHAN PHO! TRUNGI HA C 11 Nguon trung ap Cl1.1 Dac tinh eung dp cua ludi phan phdi trung ap C I1.2 So d"Oke't Iudi phia trung ap CI81.3 MQt vai khia canh van hanh ludi phan phO'i trung ap C212 Tram khach hang C252.1 Cac trinh W thie] l~p mQt tram dien mdi C263 Cac so d"Obao v~ tram C293.1 Bao v~ chong dien giat va qua dien ap C303.2 Bao ve;:dien C373.3 Bao ve;:chong anh hudng cua qua nhiet dQ C583.4 Lien dong va cac dieu khien co di'eu kien C584 Tram bien ap khach hang vdi ph"an do htong phia ha ap C644.1 T6ng quan C644.2 Chon ni, bang C654.3 Chon lua panel dong dt trung ap cho mach may bien ap C704.4 Lua chon bien ap trung /ha C715 Tram bien ap khach hang vdi ph"an do lu'ong phia trung ap C825.1 T6ng quan C825.2 Chon cac bang dien C865.3 V~n hanh song song cac may bien ap C906 Cach thie't l~p cac tram bien ap phan ph6i trung I ha ap C926.] Cac ki€u tram khac nhau C936.2 Tram trong nha vdi cac thie't bi dong dt ki6u hop bQ co vo C93

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CAC KIEU NOI MANG HA AP1 Ludi ha ap cong cong1.1 HQ tieu thu dien ap thap1.2 I,u'oi phan phoi ha ap1.3 Ke't Iu'oi khach hang1.4 Chrt luong dien ap2 Gia di~n va do lu'ong

CHVONGE., " ",.(',.. -""'... , .•.

CAI THIeN ~ SO CONG SUA T VA LOC SONG HAl1 Cai thien h~ sO'cong surt1.1 Ban chflt cua nang luong phan khang1.2 Cac may dien va thie't bi tieu thu cong sufit phan khang1.3 H~ sO'cong surt1.4 tg q>1.5 1)0 M sO'cong surt1.6 Cac gia tri thuc te' cua M sO'cong surt2 . Tai sao din cai thien h~ sO'cong suat2.1 Giam gia thanh dien2.2 T6i uu hoa kinh te' - ley thuat3 Ciii thien h~ sO'cong suat3.1 Cac nguyen ly 1y thuyet3.2 Cac thiet bi bu cong surt3.3 Lua chon phuong in bu nen (cO' dinh -) hoac bu di~u khien

tt! dong4 Vi tri lAp d?t tu4.1 Bu t~p trung4.2 Bu nh6m (tung phan dean )4.3 Bu rieng

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PHAN PHOI TRONG MANG HA AP1 Khai quat1.1 Cac mach phan phdi ha ap chinh1.2 Tu phan phfii ha ap chinh1.3 Chuyen tiep tu so db IT toi so db TN2 Cac ngubn cung cip du phong quan trong2.1 Tinh lien tuc eung dp dien2.2 Chftt hrong dien nang

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5 Mire dQ bu t6i u'u E245.1 Phuong phap chung 2245.2 Phuong phap tinh don gian E255.3 Phuong phap tinh dua vao, di'eu kien khong dong tien phat E285.4 Phuong phap tinh dua theo dieu kien giam bot cong suftt E29

bi~u kien cue dai dang ky6 Bu tai cac tram di;i.tmay bien ap E316.1 Bu nang cao kha nang tai cong suftt E316.2 Bu cong suat phan khang cho may bien ap E347· Bu cong suit tai dllu vao dQng co earn irng E397.1 Van d'e mac bQ tu bu va chinh dinh bao ve; E391.2 Bien phap tranh hien nrong tu kich thich cua dong co earn E40

ling8 Vi du mot mang dien tnrdc va sau khi bu cong suit E449 Anh huang ciia song hai de'n dinh rmrc dung hrong bu E459.1 Cac vftn d'e do cac song hai trong he; thong dien gay ra E459.2 Cac bien phap giai quyet thirc te' E46-9.3 Chon phuong an t6i u'u E489.4 Cac anh huang cua tu bu len he; thong dien E5010 Cac vftn d'e b6 sung lien quan de'n tu bu E5110.1 T1:I dien E5110.2 Chon mach bao ve, mach di'eu khien va cap n6i E53 -

ML4

3 Cac M thong dien an toan phuc vu khi su co' va die nguBndien du phong

3.1 H~ thong dien an toan3.2 Cac nguon ph at dien du phong l

3.3 Chon II/a va di;ic tinh cua cac nguon dien du' phong3.4 Chon II/a va di;ic tinh cua cac ngubn dien khac

·3.5 Cac may phat tai eh64 So dB n6i dilt4.1 N6i dilt4.2 Dinh .nghia cac he thong n6i dilt chuan4.3 8i;ie tinh cua so dB n6i dilt4.4.1 Cac tieu chuan chon II/a4.4.2 So sanh cac tieu chuan4.5 Chon II/a each n6i dilt - Bien phap thuc hien4.6 Lap dat va do hrong dien cue n6i dilt5 Tu phan phdi5.1 Cac Ioai tu phan phdi5.2 Cac ky thuat lip rap tu phan phdi chirc nang5.3 Cac tieu chuan5.4 Bi'eu khien trung tam

6 Cac day phan ph6i6.1 Mieu ta va each chon II/a6.2 Ong din, day din va day cap7 Tac dQng cua m6i tnrong ngoai7.1 Phan loai7.2 Bao v~ dung tu: ky hieu IF

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BAa ve CHONG BIeN GlAT1 T6ng quan1.1 8i~n gi~t1.2 Cham true tiep va charn.gian ti~p

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2 Bao v~ chong cham dien true tie-p G32.1 Cac bien phap bao v~ chong cham dien true tie-p G42.:2 Bien phap b6 sung eho bao v~ chong cham dien true tie-p G63 Bao v~ chong cham dien gian tiep G73.1 Cac bien phap baa v~ bang each nr dong cat nguon G9

cung cap3.2 TIf dong dt ngu'on d5i voi mang n6i da't kieu TT G 113.3 TIf dong dt nguon d6i vdi mang duoc n6i da't kieu TN G 133.4 TIf dong dt ngucn khi bi cham da't tai hai diem trong mach G 19

n6i da't kieu IT3.5 Cac bien phap bao v~ chong cham dien true tie-p va gian G27

tiep khong e'an dt mach4 Bien phap thuc hien so d'o IT G354.1 Cac bien phap baa v~ G354.2 Cac loai RCD G384.3 Ph6i hop gitra cac thiet bi baa v~ sa lech G415 Bien phap thuc hien mang TN G445.1 Nhirng di~u kien tien quyet G445.2 Baa v~ chdng cham dien gian tiep G455.3 Cac thiet bi chong dong ro co dO nhay cao G545.4 Baa v~ nhtrng vi tri di;tebiet co nguy co chay G555.5 Khi t6ng trd mach su e5 di;tebiet IOn G556 Bien phap thuc hien so d'o IT G576.1 Nhung di~u kien tien quyet G586.:2 Baa v~ chong cham dien gian tie-p G596.3 Cac RCD co d9 nhay cao G686.4 d nhirng noi co m6i nguy hiern hoa hoan cao G696.5 Khi t6ng trd mach vong su' co' dac biet Ion Gt197 Cac thiet bi baa v~ dong ro theo nguyen tik so lech (RCD) G717.1 Mo ta 0717.2 Ung dung cua RCD G727.3 Chon cac dac tinh cua CB chong dong ro G78

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CHlJ0NGHBAO VB LtJOI - THrET Bl BONG CAT. . l

PI-rAN HI BAO vt LtJOI1 Khai niem chung1.1 Phuong phap luan va cac dinh nghia1.2 Nguyen ly bao v~ qua dong1.3 Cac gia tri thuc dung cho M thong bao v~1.4 Vi tri.dat cac thiet bi bao v~1.5 Cap mac song song1.6 Vi du minh hoa tinh toan cap2 Phuong phap thuc te' xac dinh tie't dien nho nhfit cho phep

cua day d§.n2.1 KMi niern chung2.2 Xac dinhco day d6i vdi cap khong chon dudi dit2.3 Xac dinh co day cho day chon dudi dit3 Xac dinh dQ sut ap3.1 8Q sut ap Ion nhat cho phep3.2 Tinh toan sut ap d dieu kien 6n dinh4· Tinh ngan rnach4.1 Ngan mach tai thanh cai ha ap cua bien lip phan phdi4.2 Ngan mach 3 pha (Isc) tai di~m bit IcY cua hrdi ha ap4.3 Xac dinh dong ngan mach theo ngan mach d'au day4.4 Dong ngin mach cua may phat hoac bQ chinh luu5 Cac tnrong hop d~c biet ciia dong ngdn mach5.1 Tinh toan mire dong ngiin mach nhonhfft5.2 Ki~m tra kha nang chiu nhiet cua cap trong di~u kien ngan

mach6 Day n6i dit bao v~ (PE)6.1 Cach mac va chon lua day6.2 Kich co cua day

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HI-lOHl-12HI-12HI-21

HI-21I-Il-23HI-30Hl-35HI-35Hl-37HI-43HI-43HI-46HI-53HI-56HI-56HI-56HI-66

HI-68HI-68

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GT 126250

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6.4 Day ding the'7 Day trung tinh7.1 Tie't dien day trung tinh7.2 Baa v~ day trung tinh

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1 Cac clnrc nasg co ban cua thie't bi dong ciit ha ap1.1 Baa v~ dien1.2 Cach ly1.3 8i'eu khien thiet bi dong ciit2 Thie't hi dong ciit va diu chi2.1 Cac thiet bi dong ciit cd ban2.2 Cac t6 hop thie't bi dong ciit3. Chon thie't hi dong ciit3.1 Cac chuc nang du<;fcthuc hien3.2 Chon ki~u thie't bi dong ciit4. May ciit ha ap (CB)4.1 Tieu chuan va mo ta4.2 Dac tinh co ban cua mot CB4.3 Cac d~c tinh khac cua Il1Qt CB4.4 Chon CB4.5 SIf phdi hop cac CB4.6 Baa v~ chon loc trang tram bien ap khach hang trung/ ha

Hl-73

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H2-1H2-1H2-2H2-2H2-5H2-7H2-7

H2-19H2-22H2-22H2-23H2-23H2-24H2-29H2-34H2-39H2-50H2-62

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CAC NGUON VA TAI I-)AC BIeT J11 Bao v~ mang ca'p di~n tu may phat dien J 1l.1 May phat dien khi co ng~n mach 12l.2 Baa v~ cac rnach quan trong diroc ca'p di~n tu may phat 17

dien khi co su cO'1.3 Lira chon bQ tac dong J9

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1.4 Cac phuong phap tinh toan g'an dung1.5 Bao v~ may phat xoay chieu di dong va du phong2 B9 nghich hill va b9 hru dien (UPS)2.1 B9 nghich hill la gl?2.2 Cac dang M thong UPS2.3 Tieu chuan2.4 Lua chon h~ thong UPS

2.5 H~ thong UPS va moi tnrong cua no2.6 Dua UPS van hoat dong2.7 So db no'i dilt

2.8 Chon day cap mach chinh va phu, cap cho acquy2.9 Chon so db bao v~2.10 Thie't bi phu tro3 Bao v~ bien ap ha ap I ha ap3.1 Dong dong may bien ap3.2 Bao v~ mach cung cap cua bien ap ha ap I ha ap3.3 Diflc tinh dien tieu bi~u cua bien ap ha ap I ha ap 50Hz3.4 Baa v~ bien ap vdi diflc tinh theo bang J3-5 d tren bang CB

cua Merlin-Gerin4 Mach chieu sang4.1 Tinh lien tuc hoat dong4.2 Den va phu kien

4.3 Mach va baa v~ mach4.4 Xac dinh dong dinh mire CB4.5 Chon thie't bi dong ellt va dieu khien

4.6 Baa v~ mach chieu sang vdi dien ap cue thap4.7 Nguon eung cilp cho chieu sang sir co"5 Cac d9ng cd khong dbng b95.1 Cac chiic nang baa v~ va di'eu khien e'an thie't5.2 Cac tieu chuan5.3 Cac sd db baa v~ co ban: Cb/Contactor/Rcle nhiet5.4 Baa v~ phong ngua hoac gidi han

.111

J 17JI8JI8.T19,.J23J23.T27

J30J33J38.T43.T46.T47.T48

J49J50J51

J55J55J57.T57

J59J62J63J65J68Jf9J73J73.T80

ML9

rl

5.5 Dinh rmrc cong sua't Ion nha't dong cd dung cho tai ha ap .1855.6 Bu cong sua't phan khang (hieu chinh M s6 cosrp) .1866 Baa v~ hioi dien mot chieu .1866.1 Dong ngan mach .1866.2 Dac di~m ro dien do hu hong each dien va thie't bi dong Gift .189

baa v~6.3 Chon thitt bi baa v~ J906.4 Vi du .1926.5 Baa v~ nguoi .193

r

CHlJdNGLLAP BAT BI$N DAN Dl)NG VA cAc vt TRl LlBAC BI$T

1 Lap d~t dien dan dung L 11.1 Khai quat 1.11.2 Cac thanh ph'an cua tu phan phdi 1.21.3 Baa v~ an toan L61.4 Cac rnach dien L101.5 Baa v~ qua dien ap va chong set L 122 Nha Him va voi sen L152.1 Phan loai cac vung LI52.2 Ludi dAng ap 1.182.3 Cac yeu c'au cho m6i vung L 193 Cac quy pham ap dung cho hioi co vi tri d~c biet L 19

PHl) Ll)CPhu luc C

1. Vi du phci hop d~c tinh cua t6 hop dao dt - diu chl trungap baa v~ bien ap phan phdi

2. Phan b6 dien ap tren mat da't khi yO dong su c6 cham da't3. Gian d'Ovectd cong hirdng siit W{an so 50 Hz- (60 Hz)

Phu luc E - Cac bQ IQc hai cd ban

n.crPLC-l

PLC-6 'PLC-13PLC-J6

MLlO

1.

2.12

Phu luc JDl;ie tinh ng~n mach ciia may phatTirong hop dien tu (EMC)Cac qui t1k va di'eu l~

Nhieu dien tu2.1 Nhi~u do truyen din

Blie xa3 Di cap eho thie't bi va h~ thong

3.1 N6i diftCac v~)Hieu ling suy giamCac qui uk I~p dat va di capCac thanh phan cua EMC va cac giiii phapCac vifn d"e trong mang noi b<)

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3.54

PLC-21PLC-25PLC-25PLC-26_PLC-27~PLC-42PLC-44PLC-44PLC-49PLC-58PLC-61PLC-64PLC-70

3.33.4

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all:.1 = 100 kAlJ.IS " " hie't bj'. cap un hieu

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.~.~ -UnbabV-' l / } ·Ii ;\.1 di~n 2

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clich di~nemumil"c 1SkV

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Hlnh EMC-22. Set thL10ng t9.0 nhieu do earn Ling hem IS. do cac dong set.

Chiu trach. nhiem xu/it bun: PGS. TS TO BANG HAl

NGOC KHUE, NGUYEN BANG

MANHHUNG

Bien tdp:

chi ban:

Ve bia:Tl~ANTHANG

NHA XUAT BAN KHOA HOC VA KY THUA.T

70 Tr'an Hung Dao - Ha NQi

In 1000 eu6n kh6 14,5 x 20,5 em, tai Conq ty In Hang khonq.Quyet dinh xuat ban 56: 136 - 2006 /CXB / 320-06/KHKT.In xong va n9P luu ehieu thane 6/2006.