hướng dẫn thiết kế lắp đặt điện theo tiêu chuẩn quốc tế iec

7/22/2019 Hướng dẫn thiết kế lắp đặt điện theo tiêu chuẩn quốc tế IEC

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· I ~ ~ I I I I I U I I I I U I I I ~ I I s~~*GT0126256* .

c elClerElectric

G et m tJ f' t w i th t i r e word's Power 1 1 5 Con t ro l Sp ec ia l is t



SCHNEIDER ELECTRIC S. A .

. . .

HUaNG D NTHIET KE L P T IEN.

Theo tieu chudn quoc ta lEe

In ldn thu 5co chlnh sua)

Nguai dich

Phan Th] Thanh Binh, Phan Quae Dung, Pharn Quang Vinh, Phan Th] Thu Van

Phan K e Phuc, Nguy~n Van Nha, DLldng Lan Hironq, Bui NgC?eThuTo Hiru Phuc, Nguy~n Ba Ban, Nguy~n Th] Quang, Ngo Hai Thanh

T H U V I ~ N r R I ~NG D H S P K T

M G T 1 2 6 2 5 6NHA XUAT BAN KHOA HOC VA KY THUAT

HANOI-20M



Dich tir ban tieng Anh:

lectrical Installation uide

According to IEe International Standards



i tuo

Bjorn Folcker. CIlli tich Uv I){III tu \ (1 11 1 / an toan (ACOS -

Advisor» Conimitee on Safety) CI/a Hoi riling v tluuit dien QII{YC Ie

(IEC - Internationul Elertrotechnical Commission).

HQ l dong Ky th uat dien Quae te da soan rhao ky Iirong cac

lieu chuan nham si'r dung dien an loan. Cac rieu chuan nay diroc

cong nhan va ap dung ngay cang n)ng rai Ii nhieu quae gia tren

the aioi. Khuynh hirona do 10 ra ral hiru Ich trona cac trao ct6i

thuimg mai quoc te va dicu nay cling da diroc khtmg dinh gan day

trong Hiep dinh thue quan roan cau (GAIT) cua T6 chirc Mau dich

the gi6i (WTO - World Trade Organisation). Hiep dinh nay da

cong nhan die lieu chuan noi tren nhu la co si 1 chung eho cac trao

ct6i thuong mai quoc te.

Uy ban ky thuat 64 cua lEC, phu trach cac van d~ lap d~t dien

trong cac cong trinh xay dung, da hoan thanh nhiern ~I cua minh

bang each dua ra 1 0 < ; 1 1 lieu chuan IEC 364, cLIng cap cac gLlY dinhcan rhier d~ dam bao an roan trong I~p dat dien ha the (diroi

1000 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 b6

sling v a CL I th~ hoa nhirng tieu chuan do U)' ban k y thuat 64 dira ra.

Cac thong tin v a dfr kicn thuc tien de cap trong quycn sach nay rat

hiru 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 nghicm

trcn binh dien quoc gin da cho thay nhCrng tai lieu huang d~n nhir



quycn sach nay la cong C~Ihiru ich giup r dung ch~dang hon cac

quy dinh CLIafEC ~M trong thirc rc

Do «1m quan trong cong vice cua U y ban Ky thua: 64, ACOS

da chi dinh nhiem vu chu dao v~ an loan cua U y ban nay 1a Bao v~

. chong dien giat . Di0u nay ham nghia la cac quy lac co ban v~ bao

v e chong dien gi~t do U y ban 64 de ra sc phai dHQ'Ccac Uy ban ky

thuat 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 loai

thie] bi dien .

• Bjorn L Folcker ( T I 1 U Y . Dien), M. Sc. (Ef Eng.), tung la Pho

ChLI rich Uy ban Dien lire Thuy Difn (Svenska ElektriskaKomrnissionen - SEK), la U y ban quoc gia Thuy Difn cua lEC v a

CENELEC. Ona da cons rac hon ~ o nam tai Vien kiem dinh thiet

bi dien Thuy Difn (SEMKO - Swedish -~stituie for Testing and

Approval of Electric Equipment). Trang thoi gian nay, ong da tham

gia uch circ vao viec soan thao cac tieu chuan qucc te v0 an roan

cho cac thier bi dien. Hien nay, ong Ia nr van cua SEK.

Bjorn 1 . Folcker la chu rich ACOS tLr 1987, dong thoi cling la

chu 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~/1 I doc

q lly ell S (I ('h l luoug dd ll Ihi('f J.j 1(7 /1d i'll dieu theo tie« chiuln

q ll ('/( , le I e cua '/ '(111 doau SCII NU Dh R, h(/II dich Cl/O cac

tlul», C () g i(lO dd d dO llg g i(/l Ig da.v tai truong D ai hoc K.v

111lI(it (tru/«: d(IY hi D ai hoc Bach khoa] tlrauh IIMf I fr) Chi

Millh ,.

Noi clung ciia sach I/ {iy de c~JjI dell nhi eu vdn de'ra t rong

lou trong liult I/C U jI d~ /I traug Ih ief bi dien: iiI gioi thieu cac

tieu C hlld ll , qu» trinh. qlly pliam dell thong s(f d tinh 1I(/lIg

/1 I(IY 1 '11l)C ,d l/lIg C (I, traug tlii e bi dien, pluroug 111/(ljI tinh

toan. th ief ke'('(1c sa do ('(III dieu dam bdo yell cdu 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 1 III/(IIg /11/(/11 lir kliac nhau troug luoi dieu, ddc

hi¢t Id luo dicn ha (IP d trong C(Ie cong trinh dC /I I dung.

ll iell h ii'f e ' Idp d~ /llmllg th ief bi dien hi mdng kiell III/(c

quan trong trong q ll (1 trinlt 11001 d(jllg cua IIII/(/Ig IIg l( (y i lam

/lghe d i¢1I Ilflh ief ke: .\'(/y 1(7 /1 , g i{1111 sat thi cO IIg den vdn

ltanh . S/(O chita Ih ii'l bi difll sao 1'1/0 p ll/I h~1JI 1 '(Y i cac tie 11

Cllll// ll q ll/k g ill 1 '(1ql l//c Ie: dam h(IO cdc {1/{JlIg S (j' k,v III//(il c I

{I/1 toau cho IIg I({yi {I {hii'I h i.

Ily ~mg ('(Ic ban doc ( () {he tint {hll\ IIhie 'll thong till cdn

Ih ief ('(I 1 1 I. ',. (lllIyel Id ll tlu«: hanlt trong qllyell sach I'll' h{~ '

ich I/ {Iy .

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

VS cs TSKI I rdll f illll Long



On behalf of Schneider

Electric S. A., I confirm that the

Vietnamese translation of the

Electrical Installation Guide hasbeen done with the auihorisarion

of Schneider Electric S. A.

France I would like also to thank

the teachers of the Electrical

Supply and Electrification

Department of Ho Chi Minh City

University of Technology for the

valuable work that has been

necessary to realisc this

translation, I am conviccd that

this document will he a great

support for Vietnamese students.

CHAN Ye\1 -W(/iC hie f Evecutive ~ rSchne i de r

ll ectric S. A. Resident Repre-

scutative Office in Vietnam.

111ay mat Schneider Electric

S. A., tC)ixac nhan ban dich sang

ticng Via cua tap sach Electrical

Installation Guide nay dil duoc S L rdong y cua Schneider Electric S.

A. France.

Toi tran trong earn on cac vi

giang vien IX ) mon Cung cap dicn

va D icn khf hoa, khoa D ien -

Dicn ur Truong Dai hoc K y thuat

TP Ho Chi Minh e t a dong gopcong sire quy bau dt hoan thanh

ban dich nay. Toi tin rang quycn

sach nay s e la m o t S L r h6 tro lon

l16i voi sinh vicn nganh dien tai

Viet am.

C/IAN Yew - Vl/o iFn(fllg fJoi c lien

V<711j1 /()lIg Jo i d i£ 'n /h/((J 'n g tru

Schneider ll ectri« S. A tai

\ i( / Num



Cuon Huong ddn thie: ke Idp dijl dien nay danh

cho cac k y sir dien I ~ H T I e6ng rac thiet ke, thirc hien,

gAm sat hoac bao tri trong Iinh vue Hip di;lt dien nrong

hop voi cac tieu chuan quae te cua Hoi dong k y thuat

dien quae re (lEC). Cac giai phap k y thuat nao nham

dam bao thoa man u ft ca cac quy dinh v~ an roan'? , do

la c au hoi rhuang xuyen diroc di;lt ra khi soan thao

quyen sach nay.

Ticu chuan quoc te nhir IEC 364 v~ uip dat dienrrong cong trinh xay dung xac dinh mot each baa quat

cac quy t ie can thiet nham dam baa an roan va cac quy

dinh v e dac tinh lam vice cua moi dang lap di;lt dien.

Do tieu chuan can co t inh baa quat va eo th~ ap dung

vci moi loai san pham cling nhir cac giai phap k y rhuat

khac nhau diroc s ir dung tren the gioi, van ban cac quy

dinh cua IEC duoc viet mot each phtrc tap va khong

dtroc trinh bay thco m o r trinh tu d e irng dung. Cac tieu

chuan nay, V I vay. khong the: x C . l T I nhir mot e a r n nang

trng dung ma chi co th~ la cac tai lieu tham khao.

Ml.IC dich cua quycn Lluong ddn lhiel keldp dijl

dien nay li t khao sat van de thier k6 lap di;ltdicn uronghop voi ticu chuan lEe ::164va cac ticu chuan IEC khac

mo: each fO rang, thuc tien va h~ thong. VI vay,

7



chuang dall tien , chuang B), trlnh bay t6m t~ t noi

dung quyen sach va moi chuang tiep theo s e Ian IU91

trinh bay tung muc rrong tOng s6 8 muc diroc khao s at.

H al chirong cuoi cung diroc danh cho viec khao s at cac

nguon, tal v~ vi tri dac bier, c ling nlur cac phu luc cung

cap cac thong tin phu. C an hru y dac biet den phu luc

ve T trong hop dien tir (EMC - Electromagnetic

C ompatibility) , diroc vier dua tren cac kinh nghiem

rhuc tien va rong rai ve van de nay.

C hung to i mong quy doc gia s e thay rang quyen s ach

nay thirc s ir h iru fch .

Schneider Electric S. A.



Loi cant

Quycn sach nay do mot I~p Ih0 gom cac chuycn gia

q1l6'c Ie giaLl kinh nghiem soan thao, dua tren ban in IanIh(1'ba cua quyen Guide de l iustall ation electrique do

Cong Iy Merlin Gerin [In hanh, va bao g6m eel nhirng van

moi nhar trong Iinh vue lieu chuan hoa v dicn.

Khong th~ k~ het ten nhirng ngtroi c1adang gap vao

quy0n sach nay, nhung cluing toi dac hi¢1 earn on ong

Jean-Pierre ROULET-DURONET, ESE Eng., SEE, nguoi

dicu hanh du an, ong Edwin COEY, C. Eng., thanh vien

lEE, ngLTai v ie r va dich chinh, va ong Alain CHAROY,

Ran chap hanh AEMC, vid phu luc v c urong hop dicn Ill',

duui S L f chi dao cua Michel MEGRET, Pho giam doc v e

lieu chuan, Schneider Electric S.A .. Chung roi cling d~c

hi¢1 earn on ong Bjorn FOLCKER, Chu rich IEC/ACOS daviet 1(1iura cho quyen sach nay.

l)



Ml)C Ll)C

1. Loi tua

2. Lei gidi thieu

3. Carn ta

4. Muc luc

CHVONG B.: A ••••.

TONG QUAN - CONG SUAT DA T

I Phuong phap luan

2 Cac qui Hie va qui dinh

2.1 Xac dinh dp dien ap

2.2 Cac qui dinh2.3 Cac tieu chuan

2.4 Chrt hrong va tinh an roan cua mang eung dp dien

2.5 Ki~rn tra ban d'au cua rnQt mang dien

2.6 Kiern tra dinh ky mang dien

2.7 SI/ phu hop (vdi cac tieu chuan va di[ledi~rn ky thuat) cua

thie't bi dlf<;le i t dung trong mang dien

3 Dong co, phu tai nhiet va chieu sang

3.1 Dong co earn ling

3.2 Dong co mot chieu

3.3 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 quan

3.5 Den ph6ng dien4 Cong suflt tai cua Ilfoi

4.1 Cong surt di[lt(kW)

Trang .•

3

5

9

MLI

Bl

Bl

B5

B5

B7B7

B10

B11

B12

B13

B15

B16

B18

B23

B25

B27

B29

B30

MLI



4.2 Cong sua't dat bi€u kien (kVA) B31

4.3 Tinh toan cong sua'tyeu cau thuc B33-

4.4 Vi du sa dung cac he;:s6 ku va ks B36

4.5 He;:s6 khong d Ongthai B38

4.6 Chon lua cong sua't may bien ap B38

4.7 Chon lua nguon eung cap dien B39

CHVONGC K A K

CAC TRAM BlEN AP PHAN PHO TRUNGI HA C 1

1 Nguon trung ap Cl

1.1 Dac tinh eung dp cua ludi phan phdi trung ap C I

1.2 So d Oke't Iudi phia trung ap CI8

1.3 MQt vai khia canh van hanh ludi phan phO'itrung ap C21

2 Tram khach hang C25

2.1 Cac trinh W thie] l~p mQt tram dien mdi C26

3 Cac so d Obao v~ tram C29

3.1 Bao v~ chong dien giat va qua dien ap C303.2 Bao ve;:dien C37

3.3 Bao ve;:chong anh hudng cua qua nhiet dQ C58

3.4 Lien dong va cac dieu khien co di'eu kien C58

4 Tram bien ap khach hang vdi ph an do htong phia ha ap C64

4.1 T6ng quan C64

4.2 Chon ni, bang C65

4.3 Chon lua panel dong dt trung ap cho mach may bien ap C704.4 Lua chon bien ap trung /ha C71

5 Tram bien ap khach hang vdi ph an do lu'ong phia trung ap C82

5.1 T6ng quan C82

5.2 Chon cac bang dien C86

5.3 V~n hanh song song cac may bien ap C90

6 Cach thie't l~p cac tram bien ap phan ph6i trung ha ap C92

6.] Cac ki€u tram khac nhau C936.2 Tram trong nha vdi cac thie't bi dong dt ki6u hop bQco v o C93

ML2



boc bang kim loai

CHVONGO~ ;l

CAC KIEU NOI MANG HA AP1 Ludi ha ap cong cong

1 .1 HQ tieu thu dien ap thap

1 .2 I ,u o i phan phoi ha ap

1.3 Ke't Iu oi khach hang

1 .4 C hrt lu ong dien ap

2 Gia di~n va do lu ong

CHVONGE. ,.( ,.. - . . . .• .

CAI THIeN ~ SO CONG SUA T VA LOC SONG HAl

1 Cai thien h~ sO cong sur t

1.1 Ban chflt cua nang luong phan khang

1 .2 Cac may dien va th ie t bi tieu thu cong sufit phan khang

1.3 H~ sO cong sur t

1 .4 tg q>

1 .5 1)0M sO cong sur t

1.6 Cac gia tri thuc te cua M sO cong sur t

2 . Tai sao din cai thien h~ sO cong suat

2.1 Giam gia thanh dien

2.2 T6i uu hoa kinh te' - ley thuat

3 C ii i thien h~ sO cong suat3.1 Cac nguyen ly 1 y thuyet

3.2 Cac thiet bi bu cong sur t

3.3 Lua chon phuong in bu nen (cO' dinh -) hoac bu di~u khien

tt dong

4 Vi tri lA p d?t tu

4.1 Bu t~p trung

4.2 Bu nh6m (tung phan dean )

4.3 Bu rieng

01

101

DI

016

020

023

El

E1

El

E3

E5

E8

E8

E9

Ell

Ell

E12

E14E14

E16

E19

E20

E20

E21

E22

ML3



CHlJONGF~ K

PHAN PHOI TRONG MANG HA AP

1 Khai quat

1.1 Cac mach phan phdi ha ap chinh

1.2 Tu phan phfii ha ap chinh

1.3 Chuyen tiep tu so db IT toi so db TN

2 Cac ngubn cung cip du phong quan trong

2.1 Tinh lien tuc eung dp dien

2.2 Chftt hrong dien nang

Fl

F1

F1

F6

F7

F8

F8

Fl2

5 Mire dQ bu t6i u'u E24

5.1 Phuong phap chung 224

5.2 Phuong phap tinh don gian E25

5.3 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 ky

6 Bu tai cac tram di;i.tmay bien ap E31

6.1 Bu nang cao kha nang tai cong suftt E31

6.2 Bu cong suat phan khang cho may bien a p E34

7· Bu cong suit tai dllu vao dQng co earn irng E39

7.1 Van d'e mac bQ tu bu va chinh dinh bao ve; E39

1.2 Bien phap tranh hien nrong tu kich thich cua dong co earn E40

ling

8 Vi du mot mang dien tnrdc va sau khi bu cong suit E44

9 Anh huang ciia song hai de'n dinh rmrc dung hrong bu E45

9.1 Cac vftn d'e do cac song hai trong he; thong dien gay ra E45

9.2 Cac bien phap giai quyet thirc te' E46-9.3 Chon phuong an t6i u u E48

9.4 Cac anh huang cua tu bu len he; thong dien E50

10 Cac vftn d'e b 6 sung lien quan de'n tu bu E51

10.1 T1 :I dien E51

10.2 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 nguBn

dien du phong

3.1 H~ thong dien an toan

3.2 Cac nguon ph at dien du phong l

3.3 Chon II/a va di;ic tinh cua cac nguon dien du' phong

3.4 Chon II/a va di;ic tinh cua cac ngubn dien khac

·3.5 Cac may phat tai eh6

4 So dB n6i dilt

4.1 N6i dilt

4.2 Dinh .nghia cac he thong n6i dilt chuan

4.3 8i;ie tinh cua so dB n6i dilt

4.4.1 Cac tieu chuan chon II/a

4.4.2 So sanh cac tieu chuan

4.5 Chon II/a each n6i dilt - Bien phap thuc hien

4.6 Lap dat va do hrong dien cue n6i dilt

5 Tu phan phdi

5.1 Cac Ioai

t uphan phdi

5.2 Cac k y thuat lip rap t u phan phdi chirc nang

5.3 Cac tieu chuan

5.4 Bi'eu khien trung tam

6 Cac day phan ph6i

6.1 Mieu t a va each chon II/a

6.2 Ong din, day din v a day cap

7 Tac dQng cua m6i tnrong ngoai7 Phan l o a i

7.2 Bao v~ dung tu: ky hieu IF

CHlJ0NGG. , ' . . . t ' , . . .

BAa ve CHONG BIeN GlAT

1 T6ng quan

8i~n gi~t

1.2 Cham true tiep va charn.gian ti~p

F30

F30

F31F33

F35

F35

F38

F38

F43

F 4 7

F59

F61

F63

F65

F 7 4

F 7 4

F 7 7

F 7 9

F81

F81

F81

F83

F 9F92

F93

Gl

01

01

02

ML5



2 Bao v~ chong cham dien true tie-p G3

2.1 Cac bien phap bao v~ chong cham dien true tie-p G4

2.:2 Bien phap b6 sung eho bao v~ chong cham dien true tie-p G6

3 Bao v~ chong cham dien gian tiep G73.1 Cac bien phap baa v~ bang each nr dong cat nguon G9

cung cap

3.2 TIf dong dt ngu'on d5i voi mang n6i da't kieu TT G 11

3.3 TIf dong dt nguon d6i vdi mang duoc n6i da't kieu TN G 13

3.4 TIf dong dt ngucn khi bi cham da't tai hai diem trong mach G19

n6i da't kieu IT

3.5 Cac bien phap bao v~ chong cham dien true tie-p va gian G27

tiep khong e'an dt mach

4 Bien phap thuc hien so d'o IT G35

4.1 Cac bien phap baa v~ G35

4.2 Cac loai RCD G38

4.3 Ph6i hop gitra cac thiet bi baa v~ sa lech G41

5 Bien phap thuc hien mang TN G44

5.1 Nhirng di~u kien tien quyet G44

5.2 Baa v~ chdng cham dien gian tiep G45

5.3 Cac thiet bi chong dong ro co dOnhay cao G54

5.4 Baa v~ nhtrng v i tri di;tebiet co nguy co chay G55

5.5 Khi t6ng trd mach su e5 di;tebiet IOn G55

6 Bien phap thuc hien so d'o IT G57

6.1 Nhung di~u kien tien quyet G58

6.:2 Baa v~ chong cham dien gian tie-p G59

6.3 Cac RCD co d9 nhay cao G68

6.4 d nhirng noi co m6i nguy hiern hoa hoan cao G69

6.5 Khi t6ng trd mach vong su' co' dac biet Ion Gt19

7 Cac thiet bi baa v~ dong ro theo nguyen tik so lech (RCD) G71

7.1 Mo ta 071

7.2 Ung dung cua RCD G727.3 Chon cac dac tinh cua CB chong dong ro G78

ML6

. •



( Residual - Curren Circuit Breaker - RCCB - IEC 1008)

CHlJ0NGH

BAO VB LtJOI - THrET Bl BONG CAT. . l

PI-rAN BAO vt LtJOI

1 Khai niem chung

1.1 Phuong phap luan va cac dinh nghia

1.2 Nguyen ly bao v~ qua dong

1.3 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 song

1.6 Vi du minh hoa tinh toan cap

2 Phuong phap thuc te' xac dinh tie't dien nho nhfit cho phep

cua day d§.n

2.1 KMi niern chung

2.2 Xac dinhco day d6i vdi cap khong chon dudi dit

2.3 Xac dinh co day cho day chon dudi dit3 Xac dinh dQ sut ap

3.1 8Q sut ap Ion nhat cho phep

3.2 Tinh toan sut ap d dieu kien 6 n dinh

4· Tinh ngan rnach

4.1 Ngan mach tai thanh cai ha ap cua bien lip phan phdi

4.2 Ngan mach 3 pha (I sc) tai di~m bit I c Y cua hrdi ha ap

4.3 Xac dinh dong ngan mach theo ngan mach d'au day

4.4 Dong ngin mach cua may phat hoac bQ chinh luu

5 Cac tnrong hop d~c biet ciia dong ngdn mach

5.1 Tinh toan mire dong ngiin mach nhonhfft

5.2 Ki~m tra kha nang chiu nhiet cua cap trong di~u kien ngan

mach

6 Day n6i dit bao v~ (PE)6.1 Cach mac va chon lua day

6.2 Kich co cua day

Hl-l

H I-O l

R 1-5

HI-7

HI-lO

Hl-12

HI-12

HI-21

HI-21

I-Il-23

HI-30Hl-35

HI-35

Hl-37

HI-43

HI-43

HI-46

HI-53

HI-56

HI-56

HI-56

HI-66

HI-68HI-68

ML7

O N G D H S P K T



6.3 Day baa v~ giua cac may bien ap phan phO'i va

tll phan phO'ichinh (MODB)

6.4 Day ding the'

7 Day trung tinh

7.1 Tie't dien day trung tinh

7.2 Baa v~ day trung tinh'A x ~

PHAN H2 THIET Bl80NO CAT

1 Cac clnrc nasg co ban cua thie't bi dong ciit ha ap

1.1 Baa v~ dien

1.2 Cach ly

1.3 8i'eu khien thiet bi dong ciit

2 Thie't hi dong ciit va diu chi

2.1 Cac thiet bi dong ciit cd ban

2.2 Cac t6 hop thie't bi dong ciit

3. Chon thie't hi dong ciit

3.1 Cac chuc nang du<;fcthuc hien

3.2 Chon ki~u thie't bi dong ciit4. May ciit ha ap (CB)

4.1 Tieu chuan va mo ta

4.2 Dac tinh co ban cua mot CB

4.3 Cac d~c tinh khac cua I l1Qt CB

4.4 Chon CB

4.5 S If phdi hop cac CB

4.6 Baa v~ chon loc trang tram bien ap khach hang trung/ ha

Hl-73

Hl-75

HI-7C,

Hl-76

Hl-77

H2-1

H2-1

H2-2

H2-2

H2-5

H2-7

H2-7

H2-19

H2-22

H2-22

H2-23H2-23

H2-24

H2-29

H2-34

H2-39

H2-50

H2-62

CHlJ<)NOJ .............. ... A

CAC NGUON VA TAI I-)AC BIeT J1

1 Bao v~ mang ca'p di~n tu may phat dien J 1

l.1 May phat dien khi co ng~n mach 12

l.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

ML8



1.4 Cac phuong phap tinh toan g'an dung

1.5 Bao v~ may phat xoay chieu di dong va du phong

2 B9 nghich hill va b9 hru dien (UPS)

2.1 B9 nghich hill la gl?

2.2 Cac dang M thong UPS

2.3 Tieu chuan

2.4 Lua chon h~ thong UPS

2.5 H~ thong UPS va moi tnrong cua no

2.6 Dua UPS van hoat dong

2.7 So db no'i dilt

2.8 Chon day cap mach chinh va phu, cap cho acquy

2.9 Chon so db bao v~

2.10 Thie't bi phu tro

3 Bao v~ bien ap ha ap ha ap

3.1 Dong dong may bien ap

3.2 Bao v~ mach cung cap cua bien ap ha ap ha ap

3.3 Diflc tinh dien tieu bi~u cua bien ap ha ap ha ap 50Hz

3.4 Baa v~ bien ap vdi diflc tinh theo bang J3-5 d tren bang CB

cua Merlin-Gerin

4 Mach chieu sang

4.1 Tinh lien tuc hoat dong

4.2 Den va phu kien

4.3 Mach v a baa v~ mach

4.4 X ac dinh dong dinh mire CB

4.5 Chon thie't bi dong ellt va dieu khien

4.6 Baa v~ mach chieu sang vdi dien ap cue thap

4.7 Nguon eung cilp cho chieu sang sir co

5 Cac d9ng cd khong dbng b9

5.1 Cac chiic nang baa v~ va di'eu khien e'an thie't

5.2 Cac tieu chuan5.3 Cac sd db baa v~ co ban: Cb/Contactor/Rcle nhiet

5.4 Baa v~ phong ngua hoac gidi han

.111

J 17

J I8

JI8

.T19,.

J23

J23

.T27

J30

J33

J38

.T43

.T46

.T47

.T48

J49

J50

J51

J55

J55

J57

.T57

J59

J62

J63

J65

J68

Jf9

J73J73

.T80

ML9



5.5 Dinh rmrc cong sua't Ion nha't dong cd dung cho tai ha ap .185

5.6 Bu cong sua't phan khang (hieu chinh M s6 cosrp) .186

6 Baa v~ hioi dien mot chieu .1 86

6.1 Dong ngan mach .1 86

6.2 Dac di~m ro dien do hu hong each dien va thie't bi dong G ift .189

baa v~

6.3 Chon thitt bi baa v~ J90

6.4 Vi du .192

6.5 Baa v~ nguoi .193

CHlJdNGL

LAP BAT BI$N DAN Dl)NG VA cAc vt TRl Ll

BAC BI$T

1 Lap d~t dien dan dung L 1

1.1 Khai quat 1.1

1.2 Cac thanh ph'an cua t u phan phdi 1.2

1.3 Baa v~ an toan L 61.4 Cac rnach dien L10

1.5 Baa v~ qua dien ap va chong set L 12

2 Nha Him v a voi sen L15

2.1 Phan loai cac vung LI5

2.2 Ludi dAng ap 1.18

2.3 Cac yeu c'au cho m6i vung L 19

3 Cac quy pham ap dung cho hioi co vi tri d~c biet L 19

PHl) Ll)C

Phu luc C

1. Vi du phci hop d~c tinh cua t6 hop dao dt - diu chl trung

ap baa v~ bien ap phan phdi

2. Phan b6 dien ap tren mat da't khi y dong su c6 cham da't

3. Gian d'Ovectd cong hirdng siit W{an so 50 H z (60 Hz)

Phu luc E - Cac bQ IQchai cd ban

n cr

PLC-l

PLC-6 '

PLC-13

PLC-J6

MLlO



1.

2.

1

2

Phu luc J

Dl;ie tinh ng~n mach ciia may phat

Tirong hop dien tu (EMC)

Cac qui t1k va di'eu l~

Nhieu dien tu

2.1 Nhi~u do truyen din

Blie xa

3 Di c a p eho thie't bi va h~ thong

3.1 N6i dift

Cac v~)

Hieu ling suy giam

Cac qui uk I~p dat va di cap

Cac thanh phan cua EMC va cac giiii phap

Cac vifn d e trong mang noi b<)

3.5

4

PLC-21

PLC-25

PLC-25PLC-26_

PLC-27~

PLC-42

PLC-44

PLC-44

PLC-49

PLC-58

PLC-61

PLC-64

PLC-70

3.3

3.4

MLll



all:.1 = 100 k A l J . I S hie't bj'. cap un hieu

.\ . ~n~

.~.~ -UnbabV

- l / } ·Ii ;\.1 di~n 2. ... / • tfch ~ 300 m

clich di~n emumil c 1 S kV

~ ~Omr

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

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

NGOC KHUE, NGUYEN BANG

MANHHUNG

B ien 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.

hướng dẫn thiết kế lắp đặt điện theo tiêu chuẩn quốc tế iec

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