sopstvene impedanse u mrežama i instalacijama
DESCRIPTION
Analiza sopstvenih impedansi u mrežama i instalacijamaTRANSCRIPT
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26. 2015 , : ,
[email protected] , [email protected]
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``MATLAB``.
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M - : , - . -, - .
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(-GDS) : - , , - . , .
/ IEC 60364-6.
/ IEC 60364 / .
:
,Te .... IEC linka a . IEC 60364-6-61.
( ) , (IEC 60364-6-61 T.5.7.2)
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, , . / .
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VF ( ) Fe . , . K , . - ( /) - . , MATLAB. ```` :
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.- IEC 60364-4-43, .8.1 3.2
IEC 3 : 1. Me . ( T . 8.1 of IEC
60364-4-43), 1. 2. Me /
A/A-E Te ....( T3.2 IEC 60364-4-43 & T. 8.1 of IEC 60364-4-43 ,2004).
3. FSC (Final Sub Circuit- / ), .
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.-
1.M IEC 60364-6-61 T.5.7.2)
1. Zk , (IEC 60364-6-61 T.5.7.2)
2. ( ) .
: , Te .... IEC linka a . IEC 60364-6-61
3 ao a N/L
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1: .- , (E)
(N). TN-C-S sistem
Zpetlje/LOOP = Zfaznivod.ACTIVE + Zzt.vd.EARTH + Z NEUTRAL + Z TX
.
O
N/L
16A
EN ()
A
Z TX
Zfaznivod.ACTIVE
Z NEUTRAL Zzat.vodEARTH
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60364-1 IEC 60364-1 3 NN : TN, TT i IT. O , [[8] Electrical installation handbook Protection, control ... - ABB.] O JUS N.B2. 741:1989 IEC 1 : Tabela 1
IEC 60364-4 2001 4 :
IEC 60364-5 2001-2002 eo 5:
.
IEC 60364-6 2001 eo 6:
60364-6 ().
IEC 60364-7 1983 2002 eo 7:
. /
IEC 60529 2001 (IP Code)
IEC 61032 1997 -
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IEC
TN-C-S / . , / ( ) . , ; () . B1.........
,
- TN--S
kI
s
kZ
VI
cV
.csk VZI
sk ZZ
iskk II
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- Ka o KPK o MRO je PP00-Y 4x95mm2, r2=0,195/km, x2=0,082/km, l=10m - Ka o MRO o RT-y je PP00-Y 5x4mm2, r3=4,7/km, x3=0,107/km, l=30m - Ka od RT-y o y je PP-Y 3x2,5mm2, r4=7,56/km, x4=/, l=20m je: je:
** :- TS 10/0.4 kV, 1x630kVA,
-Ka TS o KPK je PP00-ASJ 3x150+70mm2, r11=0,126/km, x12=0,08/km, r12=0,27/km, x12=0,082/km, l=100m
;0026.0TXX ;001.0TXR
0028,00027856,0001,00026,0 2222 TXTXTX XRZ
0432,00282,0015,0
)1,0082,0()1,027.0()1,008,0()1,0126.0(
)()()()(
2222
2
22
2
21
2
12
2
111 lxlrlxlrZ
0039,0)01,0082,02()01,0195.02()2()2( 22222
22 lxlrZ
282,0)03,0107,02()03,07,42()2()2( 22232
33 lxlrZ
302,0)02,056,72()2( 2244 lrZ
634.0302.0282.00039.00432.00028.04321 ZZZZZZ TXs
AZ
VI
s
k 78,362634,0
230kkc IZV ks ZZ
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O
16A
N/L
A
MEN link(Main Earth Neutral)
IEC Main Earth , MEN Main Earth (M Glavni , E- , N-e ) .
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10-1
1
10
102
103
4
Vreme (sec)
Struja (x INAZIVNA)
B Magnetni deo
Termiki deo
Vrste Strujnih Prekidaa B
1x
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10-1
1
10
102
103
Vreme(sec)
Struja (x INAZIVNA)
7.5
C
Termiki deo
Novo Magnetno delovanje
Vrste Strujnih Prekidaa C
1x
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10-1
1
10
102
103
Vreme (sec)
Struja (x INAZIVNA)
12.5
D
Termiki deo
Novo Magnetno delovanje
Vrste Strujnih Prekidaa D
1x
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C (*IPK u testu Fault Loop Impedance FLI Zpetlje kvara /fault LOOP = 1.92 16 ` - ` Cold Fault Loop Impedance Zhladne petljekvara/culd loop impedanc=1.92x0.8=1.54 A 240V, Z petl kvara 240/230, ili 1.04: Zpetlje kvara /fault LOOP240V = 1.54 x 1.04 = 1.60 A , IEC . 8.3.10.1 states that if theRCD operates during the FLI test, Fault Loop Impedance FLI test.
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1. Me
3
2. Final Sub Circuit( ). 3. A /A-E impedance( Tab 3.2&T 8.1 of IEC Compare it to Table 3.2&T8.1 ofIEC)
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80%=0,8
/ CSAACTIVE SAPh
CSA EARTH SPE
16A
N/L
80% , FSC ( 80% .
CSA // 80% (B5.2.1b).
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0.8 x VNOM x CSAfaznogvoda .ACTIVE x CSA zast.EARTH LMAX = ITRIPisklj. x x (CSAfaznog voda.ACTIVE + CSAzastEARTH)
= 22.5 x 10-3 ohm-mm2/m za Cu = 36 x 10-3 ohm-mm2/m za Al
Ma (Tabela B1, pg.347):
ISKLJTRIPP
EARTHACTph
EARTACTph
ISKLJTRIP
EARTACTph
ISKLTRIP
EARTHACT
EARTHACTISKLTRIPe
ICSACSA
CSACSAL
ICSACSA
LIRR
RRIRV
.
.
.
max
.
.
max.. ]11
[8.0
EARTHACTIVEPH .
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IEC
Table B1, P 347
IEC Table B1 P347 CSAACT=CSA EAR =2.5mm2 16,
L MAX =85m
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: , 1
1.Me
2 a o
3. A /A-E impedance( Ta 3.2 & T 8.1 of IEC).
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A
O
e C/Br
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ea , 300mm2 e. a aa 140m 400V, 350A, 3-a oo. 400A C.
1. 300mm2 I= 415A 2. C/B.
: I C/B = 7.5 x 400 = 3000A
1. , , (/) Z=V/I C/B = 240/3000 = 0.08
3. ( ) FLZ =0.08x0.8=0.064
5. / FLZ (/neaktivno) = 0.064x0.8 =0.0512
Final Sub-Circuit FLZ (cold) = 0.064 x 0.8 = 0.0512
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ea 300mm2 e.a 400V, 350A, 140m 3-a , .
7. Me
Oe
A
V
I 5A
Z = V/I
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?
1. (IEC 6000.. tabl 5.1, pg. 213) (*EARTH) je : 120mm2
2. O A-E petlje u FSC.(Final Sub Circuit)
Z
R
XL
T XL a 120mm2
ea 300mm2 e.a 400V, 350A, 140m 3-a , .,
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1. : 120mm2 (from IEC 6000..table 5.1) 2. O A-E petlje u FSC.(Final
Sub Circuit)
a: XL= za 140m (Tabela 30, IEC 6000..) 0.0732 /km=0.010248
R@750C = 0.0778 /km (Tabela 35, IEC 6000...) R@200C = 0.0778 x 0.8 x 0.14 = 0.0087136 za 140m
ea 300mm2 e.a 400V, 350A, 140m 3-a , . ??????
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120mm2 : XL = 0.0743 /km = 0.010402 za 140m
R@750C = 0.188 /km R@200C = 0.188 x 0.8 /km = 0.1504 R@200C za 140m=0.1504x0.140= 0.021056
ea 300mm2 e.a 400V, 350A, 140m 3-a , . ?????
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1.
: ) , b)
)
)
V
V~
A
V
V~
A
Lx Rx
Lx Rx
I
I
I
VZ x
Ohm ov
Ohm ov
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1. : ) - d) ,
A1
2
V~
Rload I
I
VZ x
V12 2 1
Zx Ix
Iload
Iload
Ix I
V12
VRld
VZx 3
z
);(2
cos 2222 RbZ
Z
b
Zx IIII
RZR
;)(42
sin 222222 RbZRbZ
Z
b
Zx IIIIII
RZX
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1. : ) - f)
V1 V2 V~
Rload
V
I
VZ x
I
IR=Iz Zx
Vxz VRld
V
V3
VR
z
VRld I
VX
)(2
cos 2222 RbZ
Z
b
Zx VVVV
RZR ;)(4
2sin 22222
2 RbZRbZ
Z
b
Zx VVVVVV
RZX
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ODS GDS
slide 30
O
T
E.
GDS
TN-C-S I-N-_
TN-S I-_N-_
TT I-N-I
O
T
E.
O
T
E.
aa C aa B
aa A
GDS
-
ODS GDS,
slide 31
R
O
T
E.
GDS
Xc
O
T
E.
aa A
aa A
lcL jXjXZ ;2
j GDS
R O
T
E.
O
T
E.
1
2
1V1E 1I
2I
Z=R
2V2E
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.. : a) , b) , c) , d) ,
) b) -
,
c) d) , VF
, VF
aktivno R, indukt. L, kapac. C
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MATLAB (Simulink Power System, psb3phasesignalseq) a ABB 100% T sa ;1, 2, 3.15
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