1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
-
Upload
mena-balan-serbu -
Category
Documents
-
view
257 -
download
2
Transcript of 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
1/32
1 LJ - I 85 -03 - -1
1 LJ - I 85 - 03
35(6&5,3 ,,'(&225'21$5($,Z2/$ ,(,1,167$/$ ,,/('(',675,%8 ,('(
-2$6 7(16,81(
- 2003 -
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
2/32
1 LJ - I 85 -03 - -2
,QVWLWX LDUHVSRQVDELO GHHODERUDUHDQRUPHLWHKQLFHHQHUJHWLFHS.C. ELECTRICA S.A.
Executant:Societatea Inginerilor Energeticieni din Romania5HVSRQVDELOLGHOXFUDUH'ULQJ) QLF 9DWU LGUG$QD3RLGD
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
3/32
1 LJ - I 85 -03 - -3
C U P R I N S
pag.
1.- Scopul ....................................................................................................................... ... 4
2.- Domeniul de aplicare ................................................................................................. ... 4
3.-7HUPLQRORJLHLDEUHYLHUL ........................................................................................... ... 5
4.-$FWHQRUPDWLYHGHUHIHULQ ..................................................................................... ... 11
5.-$OHJHUHDLFRRUGRQDUHDLzROD LHL............................................................................. ... 12
6.-3URWHF LDvPSRWULYDVXSUDWHQVLXQLORUGHWU VQHW........................................................ ... 16
7.-5HFRPDQG ULSULYLQGSUL]HOHGHS PkQW .................................................................. ... 25
8.-5HJXOLSHQWUXvQFHUFDUHDL]ROD LHLGHMRDV WHQVLXQHFXWHQVLXQHGHLPSXOV............. ... 26
ANEXE:
Anexa A.- Detaliu de montare a contoarelor electrice trifazate n PT aeriene .......... ... 27Anexa B.- Lungimile cablurLORUGH07FDUHDVLJXU DXWRSURWHMDUHD ........................ ... 28
Anexa C.-'LVWDQ DGHSURWHF LHDXQXLGHVF UF WRUFXUH]LVWHQ YDULDELOD.............. ... 29
Anexa D.-3ULQFLSDOHOHFDUDFWHULVWLFLHOHFWULFHDOHGHVF UF WRDUHORUFXUHzLVWHQ varLDELO .................................................................................................. ... 30
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
4/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
5/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
6/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
7/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
8/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
9/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
10/32
1 LJ - I 85 -03 - -10
3.50.- ncercarea de tip este ncercarea HIHFWXDW SH XQXO VDX PDL PXOWH DSDUDWH
UHDOL]DWH GXS R DQXPLW FRQFHS LH SHQWUX D VH DU WD F DFHD FRQFHS LH U VSXQGH laDQXPLWHVSHFLILFD LL
Fig. 3.1.-+DUWDL]RNHUDXQLF D5RPkQLHL1XP UXOPHGLXGH]LOHFXRUDMHSHDQL-1978.
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
11/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
12/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
13/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
14/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
15/32
1 LJ - I 85 -03 - -15
Tabelul 5.27HQVLXQHDGH LQHUHla impuls, n kVmax
'LVWDQ HGHL]RODUHvQaer minime, n mm
20 2515 1812 1410 118 86 5,55 44 33 2
2,5 1,51,5 0,5
5.3.4.- n cazul liniilor electrice aeriene clasice cu conductoare neizolate,caracteristicilor izolatoarelorse vor stabili LQkQGVHDPDGH
D7HQVLXQLOHGH LQHUHFRUHVSXQ] WRDUHVROLFLW ULORUHOHFWULFHPHQ LRQDWHODSFWE9DULD LDWHQVLXQLORUQRPLQDOHGH LQHUHVXESORDLHc) Comportarea izolatoarelor n zonele cu diferite grade de poluare (tabelul 5.3).
Tabelul 5.3.-/XQJLPHDOLQLHLGHIXJ VSHFLILF FPNV)
Nivel de poluare /LQLHLGHIXJ QRPLQDO VSHFLILF PLQLP FPN9
I Slab
1,6
II Mediu 2,0
III Puternic 2,5IV Foarte puternic 3,1
Note 1.-7DEHOXOVHUHIHU ODWRDWHWLSXULOHGHL]RODWRDUHGHH[WHULRUGLQFHUDPLF LGLQVWLFO VLWuatevQWUHID]HLS PkQWLDUYDORULOHUHSUH]LQW UDSRUWXOGLQWUHOLQLDGHIXJ P VXUDW vQWUHID] LS PkQWLYDORDUHDHILFDFHDWHQVLXQLLvQWUHID]HFHDPDLULGLFDW DUH HOHLQFD]XO
L]RODWRDUHORUVLWXDWHvQWUHID]HGHH[HPSOXGLVWDQ RDUHvQWUHID]HYDORULOHOLQLHLGHIXJ
VSHFLILFHPLQLPHGHPXOWLSOLF FX 3 vQFD]XOUH HOHORUWULID]DWH2.- QFD]XULH[FHS LRQDOHGHSROXDUHH[FHVLY ROLQLHGHIXJ VSHFLILF GHFPN9SRDWH
ILLQVXILFLHQW QED]DH[SHULHQ HLGHH[SORDWDUHLVDXDvQFHUF ULORUGHODERUDWRUVHSRDWHutiliza o valoarHDOLQLHLGHIXJ VSHFLILFHPDLPDUHVDXSRDWHILDYXW vQYHGHUHVS ODUHD
VDXXQJHUHDL]ROD LHL
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
16/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
17/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
18/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
19/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
20/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
21/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
22/32
1 LJ - I 85 -03 - -22
Fig.6.4.-6FKHP HOHFWULF GHSULQFLSLXFXGHVF UF WRDUHGHFODV &L'
Fig.6.5.-6FKHP HOHFWULF GHSULQFLSLXFXGHVF UF WRDUHGHFODV &L'
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
23/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
24/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
25/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
26/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
27/32
1 LJ - I 85 -03 - -27
ANEXA ADETALIU DE MONTARE A CONTOARELOR ELECTRICE
TRIFAZATE N P.T. AERIENE
Note: 1.-6HYDDVLJXUDRGLVWDQ PLQLP GHL]RODUHvQWUHRULFDUHSDUWHDFRQWRUXOXLL
S U LOHPHWDOLFHDOH7*GHPLQLPXPPP2.-%RUQDGHOHJDUHODS PkQt a carcasei contorului se va lega prin conductorL]RODWODQXOXOUH HOHLGHMRDV WHQVLXQH
3.-&DSDFXOGHSHSODFDGHERUQHDFRQWRUXOXLQXVHYDPRQWDO VkQGX-se ninteriorul T.G. pentru a se putea verifica dLUHFWODERUQHOHFRQWRUXOXLSUH]HQ Dtensiunii pe toate fazele.
6&+(0$(/(&75,& '(/(*$5($&2172$5(/25(/(&75,&('((1(5*,($&7,9 137$(5,(1(
/HJ WXULOH , L ,, YRU IL OHJ WXUL FX
conductoare distincte, fiind categoricinterzis a se crea un conductor comunSHQWUXFHOHGRX OHJ WXUL
/HJ WXUD,-DVLJXU OHJDUHDODS PkQWprin PE al carcasei contorului.
/HJ WXUD ,, HVWH OHJ WXUD GLQ FLUFXLWXOGHP VXUDUHDFRQWRUXOXLWULID]DW
1RW : - 1XOXOUH HOHLGHMRDV WHQVLXQHeste izolat fD GH FXWLD GH GLVWULEX LH(T.G.) a P.T.
%8& '(3(57,1$;3(17580217$5($&2172$5(/25
PE SUPORT IZOLANT
a Cornier sudat pe TG al PTAE3LXOL PHWDOLF FDLE PHWDOLF
G%RUQDGHOHJDUHODS PkQWDcarcasei contorului la priza deexploatare, prin conductorul de
QXODOUH HOHLGHMRDV WHQVLXQHH%XF HOHFWURL]RODQW GLQFDXFLXFI U QHJUXGHIXP) 20)IXUXEGLQPDWHULDOSODVWLF
electroizolant PASg Conductor Cu 6 mm
2FXL]ROD LHGH39&K3ODF GHERUQH
II
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
28/32
1 LJ - I 85 -03 - -28
ANEXA B .-/81*,0,/(&$%/85,/25'(07&$5($6,*85 $8723527(-$5($
Prevederi din normativul NTE 001/03/00/2003
n conformitate cu pct.7.2.8. 6HUHFRPDQG V VHUHQXQ HODXWLOL]DUHDGHDSDUDWHOHGHSURWHF LHDSRVWXULORUGHWUDQVIRUPDUHFXLQWUDUHvQFDEOXvQFD]XOvQFDUHOXQJLPHDSRU LXQLL
de linie n cablu la intrarea n post este mai mare dect lungimile prezentate n tabelul B.1.
Tabelul B.1.-/XQJLPHDPLQLP DFDEOXOXLGHPHGLHWHQVLXQHFDUHDVLJXU DXWRSURWHF LDcablului n schema sOLQLHHOHFWULF DHULDQ - cablu - transformators.
Raportul J dintreLPSHGDQ DFDUDFWHULVWLF
D/($LDFDEOXOXL
Lungimea cablulXLPFDUHDVLJXU DXWRSURWHF LDn cazul n care raportul dintre tensiunea de 50%
FRQWXUQ ULDL]ROD LHLOLQLHLLWHQVLXQHDQRPLQDO GHLQHUHDFDEOXOXLHVWH
1 1,2 1,4
1020
40
1000450
250
1100600
300
1300760
350Note:*) - ParaPHWULLGHFDOFXOSHQWUXFDEOXULVHYRUOXDGLQFDWDORDJHOHGHIDEULFD LHVDXGLQP VXU WRUL-3DUDPHWULLSHQWUXOLQLLYRUILFDOFXOD L LQkQGX-VHVHDPDGHFDUDFWHULVWLFLOHJHRPHWULFHL
electrice ale acestora.-3HQWUXYDORULOHLQWHUPHGLDUHVHSRWIDFHLQWHUSRO UL
n conformitate cu pct.7.2.9, n posturile de transformare, la care lungimea cablului dePHGLHWHQVLXQHHVWHPDLPLF GHFkWOXQJLPLOHSUH]HQWDWHvQWDEHOXO%SURWHF LDSHSDUWHDde medie tensiunne se reali]HD] FXGHVF UF WRDUHFXUH]LVWHQ YDULDELO SHED] GHR[Lzimetalici FDUHVH YRU PRQWDvQ SRVWXO GHWUDQVIRUPDUH'DF GLQ PRWLYH GHVSD LXDFHVWHGHVF UF WRDUHQXVHSRWPRQWDvQSRVWSURWHF LDFRQWUDVXSUDWHQVLXQLORUGHWU VQHWVHYDUHDOL]D SULQ PRQWDUHD VHWXOXL GH GHVF UF WRDUH FX UH]LVWHQ YDULDELO SH ED] GH R[LzimetaliciSHMRQF LXQHDsOLQLHHOHFWULF DHULDQ - cablus.
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
29/32
1 LJ - I 85 -03 - -29
ANEXA C
',67$1 $'(3527(& ,($818,'(6& 5& 725&85(=,67(1 $9$5,$%,/
'LVWDQ D PD[LP SH FDOHD GH FXUHQW vQ FDUH XQ GHVF UF WRU DVLJXU SURWHF LD XQXL
HFKLSDPHQWVHSRDWHGHWHUPLQDRULHQWDWLYFXUHOD LD
'l= (Uiz - Urez) * K/ 2a
unde: UizHVWHWHQVLXQHDGH LQHUHODLPSXOVGHWU VQHWDL]ROD LHLOD-3 Ps, n kVmax;Urez -WHQVLXQHDL]LGXDO ODFXUHQWQRPLQDOGHGHVF UFDUHvQN9max;a- panta undei de supratensiune, n kVmax/m;K-FRHILFLHQWFDUH LQHVHDPDGHLQIOXHQ DSDUDPHWULORUVFKHPHLYDORULOH
coeficientului Ksunt indicate n tabelul C.1.
'HRELFHLWHQVLXQHDGH LQHUHODLPSXOVGHWU VQHWDL]ROD LHLSHQWUXWLPSLGH-3 Ps este
LQGLFDW GH IXUQL]RU Q FD]XO vQ FDUH QX VH GLVSXQH GH DFHVWH GDWH VH SRDWH XWLOL]DYDORDUHDWHQVLXQLLGHFRQWXUQ ULODLPSXOVGHWU VQHWVWandardizat (1,2/50 Ps).
9DORDUHDSDQWHLXQGHLVHGHWHUPLQ FXUHOD LD
a= S/c,
unde: SHVWHSDQWDXQGHLGHVXSUDWHQVLXQHH[SULPDW vQN9PVvQJHQHUDOVHFRQVLGHU S=10 kV/Ps;
c- vitreza de propagare a undei (300 m/Ps pHQWUX/($L150 m/Ps pentru cabluri).
Tabelul C.1.Nr.crt.
6FKHPDLQVWDOD LHL Valoare K
1. /LQLHI U EUDQDPHQWH]RQD$ 12. /LQLHI U EUDQDPHQWH]RQHOH%L& 1,251. /LQLHI U EUDQDPHQWH]RQD' 1,8
Exemplu de calcul:
S= 10 kV/Ps
c= 300 m/Ps pentru LEA a= S/c = 0,0333 kV/m
Uiz = 20 kVUrez = 2,5 kV
K= 1 'l= (Uiz - Urez) * K / 2a= 262,5 m
Uiz = 20 kVUrez = 2,5 kV
K = 1,8 'l= (Uiz - Urez) * K / 2a= 472,5 m
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
30/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
31/32
-
7/27/2019 1lj-i 85-2003 Coordonarea Izolatiei in Lea Jt
32/32
1 LJ - I 85 -03 - -32
D.3.-&RQGL LLWHKQLFHRULHQWDWLYHSHQWUXGHVF UF WRDUHGHMRDV WHnsiuneFXUH]LVWHQ YDULDELO SHEDz GHR[L]LPHWDOLFL
Nr.
crt.
Valori
1.
n) V 400
2.
Hz 50
3.
N
montate ntre:
-
j
m n
-
V 230
400
4.
c) pentru "
j
-
j
m n
-
V
254
440
5.
8/20s) kA 10 5 2,5 1,5
6.
Imax)(
8/20
s)
kA
40
25
15
10
7.
Urez) la curent nominal kV 2,0
3,0
UN
2,34,0
UN
3,0
5,0
UN
3,5
5,5
UN8.
p) kV 3,0
4,5UN
3,5
6,0UN
4,5
7,5UN
5,2
8,0
UN
9. Temperatura mediului ambiant: - exterior/ interior0C -30
+40 / - 5
+40
10.
!
z
j
kW/m2
1,1
11.
!
% 90 /100
12. Capabilitatea de desc
{
kJ/kVUn Da
13. Dispozitiv de deconectare Da/Nu
-
}
~
j
z