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.


ɠ


: 110

Ϡ 2102 -514-
:
..

:
..
1999.

.
2102 -514-
:

.

1.

2.



3.
-

4.


5.

6.




220-1150 ,
148 . .


8 ..


110-220-500-1150 110-330-750
-.

2010. ,
,
500 .
750 .
1995
110 440
. 蠠 530 .
.


1150
- .
800
.
2000.
-1150 - , .

.


:
1.
(2 -330 -400 ).
2. (


4000 500 ).
3.
.
4.
.
5.
, , .
:

- .

2-3 , .
:

1. .

2. - ,

.

3.

,

,



.

-
. 60% 15 ,
40% 25 .
30 .
[ 5 , . 6-7 ]
1.Р
Ƞ ՠ
1.1.




.
S=P/cos (1)
Q= (2)
W=Pmax Tmax (3)

1.
1. Pmax Qmax Smax Tmax cos W 1 10 28 13,6 31,1 5700 0,9 159600 2 35 12 5,7 13,3 4700 0,9 56400 3 35 18 8,7 20 3500 0,9 63000 10 10 4,8 11,1 3500 0,9 35000

..1
S .=31.1 0.7=21.77
..2
S .=13.3 0.7=9.31
..3
S
..=Ö(18+10)2+(8.7+4.8)2=31.1
S..=31.1 0.7=21.77
1.2
:
1-2 2 25000/110/10
2-2 2
10000/110/10
3-2 3
ࠠ 25000/110/35/10

.. I II .

2
70%

Snom.(0,650,7)Smax.

[6,109-111] .


Smax.=Ö(P+)2+(Q+Qc)2 (4)
1.3.

:
=(Smax.100%)/(2Snom.()) (5)
=(Smax.100%)/Snom.() (6)

: 100%
(1)=(31.1
100%)/(2 25)=62.2%
(2)=(13.3
100)/(2 10)=66.5%
K()=(31.1 100)/(2 25)=62.2%

: 140%
(1)=(31.1
100)/25=124.4%
(2)=(13.3 100)/10=133%
K()=(31.1 100)/25=124.4%

, .
2.
2. . Smax - Snom.- . . 1 I,II,III 31.1 2 25 62.2 124.4 2 I,II,III 13.3 2 10 66.5 133 3 I,II,III 31.1 2 25 62.2 124.4
1.4.
[6,109-111] :
3 - Unom P R ; X ; Q 1 25000/110/10 115 - 10.5 25 3,06 - - 58.36 - - 175 2 10000/110/35 115 - 11 14 7,9 - - 136.5 - - 70 25000/110/35/10 115 38,5 11,0 28,5 1.5 1.5 1.5 59.7 0 37.5 175
3
4
1.5.
.
5
1

28.16+j15.52 28.11+j15.19
1.53+j29.18
0.05+j0.33
0.11+j2.13 28+j13.6
;(7)
DS.=282+13.62/ 1152 (1.53+j29.18)=
0.11+j2.13

S/=S+DS.=28+j13.6+0.11+j2.13=28.11+j15.19
S=S/+S;=28.11+j15.19+0.05+j0.33=28.16+j15.52
2
12.138+j6.1 12.11+j5.96 3,95+J69.5

0.028+j0.18 0.11+j2.13
12+j5.7
DSo.=122 +5.72/ 1152
(8.38+j68.25)=0.11+j0.89
S/=S+DS.=12+j5.7+0.11+j0.89=12.11+j5.96
S=S/+S=12.11+j5.96+0.028+j0.14=12.138+j6.1
3
18.023+j8.7 0.75+j0

18+J8.7
28.169+j16.198 28.079+j15.748 0.75+j29.85 28.029+j13.6

0.023+j0
0.09+j0.45 0.05+j2.08
10.0+j4.97 10+J405

0.006+J0.168
DS.=102+4.82/1152(0.75+j18.75)=0.006+j0.168
DS.=182+8.72/1152(0.75+j0)=0.023+j0
S/=S+DS.=10+j4.8+0.006+j0.168=10.006+j4.968
S/c=Sc+DS.=18+j8.7+0.023+j0=18.023+j8.7
S=S/+S/=18.023+j8.7+10.006+j4.968=28.029+j13.668
DS.=28.0292+13.6682/1152(0.75+j29.85)=0.05+j2.08
S/=S+DS.=28.029+j13.668+0.05+j2.08=28.079+j15.748
S=S/+DS=28,079+j15.748+0.09+j0.45=28.169+j16.198
2.

ר


2,1 .
N ࠠ ࠠ - -



. . .

-2

1-3

2-3
1 156 156
3-3

11
-6

1-2
2 2-2

151 302 3-2

12

-4
3
1-2

2-2

3-2

121 242 10

-4
1-2
4
2-2

186 224 3-2

12
, ,


13.
2.


2.1.
.

4 N - 1 1 2 170 170 +1+2 2+3+3=8 2 1 2 95 190 2+2+2=6 3 1 2 120 240 2+2+2=6 4
,
1 4 .

N1.
1 S=28.16+j15.52

2
S=12.138+j6.1
3
. S=28.169+j16.198


.

1
38젠 37젠 35젠 46젠
28+j15.52
12.138+j6.1 28.169+j16.198 (8)
SA=[(28,16+j15.52 )118+(12.138+j6.1)81+(28.169+j16.198)46]/156=
=5601.832+j3070.568/156=35.9+j19.7
SA/=(28.16+j15.52)38+(12.138+j6.1)75+(28.169+J16.198)110=
=5078.99+j2829.04/156=32.6+j18.1


SA+SA/= (9)
68.5+j37.8=68.5+j37.8

.

A/
35.9+j19.7 1 7.74+j4.18 2 4.43+j1.9
3. 32.6+j18.1
28.16+j15.52 12.14+j6.1 28.17+j16.2


.
.
; (10)
Tcp=28.16*5700+12.14*4700+28.17*3500/28.16+12.14+28.17=4617.57 .

3-2
Imax=; (11)
Imax=Ö4.432+1.92/Ö3*110*103=25

2-1
Imax2-1=
Ö7.742+4.182/Ö3*110*103=46

-1
ImaxA-1=Ö35.92+19.72/Ö3*110*103=214

1-3
Imax=Ö32.62+18.12/Ö3*110*103=196A

.

I = I * ai * a

1-3
Ip=196*1.05*1=205.8A

3-2
Ip=25*1.05*1=26.25A

2-1
Ip=46*1.05*1=48.3A

1-
Ip=214*1.05*1=224.7

II.

, , .

: Smax: Imax: A Ip A Fct mm2 I I. 1-3 35,9 196 205,8 240 610 410 3-2 7,74 25 26,25 120 390 241 2-1 4,43 46 48,3 120 390 241 1- 32,6 214 224,7 240 610 410

.
68.5+j37.8 40.31+j22.3 28.17+j16.2 A1





28,16+j15.52 12.14+j6.1 28.17+j16.2
I1-2=I3-2=ÖP2+Q2/Ö3*U=241A
I1-=I3-A1=410A
I£I

.
. . r0 / 0 / q0 / R1 X1 Qc M 1-3 46 -240 0,120 0,405 0,0375 5,52 18,63 1,73 3-2 35 -140 0,249 0,427 0,0355 8,72 14,95 1,24 2-1 37 -140 0,249 0,427 0,0355 9,21 15,80 1,31 1- 38 -240 0,120 0,405 0,0375 4,56 15,39 1,43

: R=Ro*l/n; X=Xo*l/n; Qc=n*Qo*l.

:
A 1
2 3 A1

4.56+j15.39
9.21+j15.8
8.72+j14.95
5.52+j18.63

j0.72 j0.72 j0.66 j0.66 j0.62
j0.62 j0.86 j0.86
28.16+j15.52 12.14+j6.1 28.17+j16.2


;
Sp1= Snp1-j(Qc1/2+Qc2/2)=28.16+j15.52-(0.72+0.66)=28.16+j14.14
Sp2=12.14+j6.1-j(0.66+0.62)=12.14+j4.82
Sp3=28.17+j16.2-j(0.62+0.86)=28.17+j14.72
A
35.9+j17.2
1 7.7+j3.1 2
4.4+j1.7 3 32.6+j16.4 A1

j0.72
28.16+j14.14
12.14+j4.82
28.17+j14.72 j0.86



:
PA=GAAå(PiRiA+QiXiA)+BAAå(PiXiA-QiRiA)

QA=-GAAå(PiXiA-QiXiA)+BAAå(PiRiA+QiXiA) ,
GAA=RAA/R2AA+X2AA BAA=XAA/R2AA+X2AA
GAA=28.01/28.012+64.772 =0.0056 BAA=64.77/28.012+64.772=0.013
PA=0.0056(28.2*23.45+12.1*14.24+28.2*5.52+14.1*49.38+4.8*33.58+14.7*
*18.63)+0.013(28.2*49.38+12.1*33.58+28.2*18.63-14.1*23.45+4.8*14.24+
+14.7*5.52)=35.95
QA=-0.0056*1844.059+0.013*2120.561=17.24
SA=35.9+j17.2
PA1=0.0056(28.2*22.49+12.1*13.77+28.2*4.56+14.7*46.14+4.8*31.9+14.1*
*15.39)+0.013(28.2*46.14+12.1*31.9+28.2*15.39-14.7+22.49+4.8*13.77+
+14.1*4.56)=32.65
QA1=-0.0056*1660.141+0.013*1977.804=16.4
SA1=32.6+j16.4
:
SA+SA=S1p+S2p+S3p
68.5+j33.6=28.2+j14.1+12.1+j4.8+28.2+j14.7



:

35+j18.1 7.75+j4 4.4+j1.7
32.6+j14.4

j0.72 28.2+j14.1 7.7+j3.1 4.4+j1.7
28.2+j14.7 j0.86
0.61+j2.06 0.052+j0.9 0.016+j0.027 0.6+j2.04

1-2
S=7.7+3.1
DS=Pk2+Qk2/U2(R+X)=7.72+3.12/1102(9.21+j15.8)= 0.052+J0.9
S=Sk+DS=7.7+j3.1+0.052+j0.9=7.752+j4

-1
Sk=S1-2+Sp1=7.752+j4+28.2+j14.1=35.952+j18.1
DS=35.952+18.12/1102(4.56+j15.39)=0.61+j2.06
S=35.95+j18.1+0.61+j2.06=36.56+j20.16
Sa=S-jQ/2=36.56+j20.16-j0.72=36.56+j19.44

2-3
Sk=4.4+j1.7
DS=4.42+1.72/1102(8.72+14.95)=0.016+j0.027
S=4.4+j1.7+0.016+j0.027=4.416+j1.727

3-1
Sk=4.416+j1.727+28.2+j14.7=32.62+j16.43
DS=32.622+16.432/1102(5.52+18.63)=0.6+j2.04
S=32.62+j16.43+0.6+j2.04=33.22+j18.47
Sa1=33.22+j18.47-j0.86=33.22+j17.61
åSa=Sa+Sa1=36.56+j19.44+33.22+j17.61=69.78+j37.05

N 3
1
S=28.16+j15.52
A 2 S=12.138+j6.1
3
S=28.169+j16.198

40,29+j21.62 1
12.138+j6.1 2

28.16+j15.52 T=5700
12.138+j6.1
28.169+j16.198 3 T=4700

28.169+j16.198
T=3500
T :

Imax=ÖP+Q/Ö3U
-1
Imax=Ö40.292+21.622/Ö3*110*2*103=120A
1-2
Imax=Ö12.1382+6.12/380.6*103=35A
A-3
Imax=Ö28.1692+16.1982/380.6*103=85A
:
Ip=Imax*ai*at ai=1.05 at=1
-1
Ip=120*1.05*1=126A
1-2
Ip=35*1.05*1=36.75A
-3
Ip=85*1.05*0.8=71.4
, -II.
,
.
ꠠ Smax Imax Ip
Fct I I..
-1 40,29 120 126 120
375 240
1-2 12,138 35 36,75 95
330 70
-3 28,169 85 71,4 95
330 70
r0 x0 q0 R1 X1 Q1 A-1. 38 AC-120 0.249 0.427 0.0355 4.731 8.113 2.698 1.2 37 AC-95 0.306 0.434 0.035 5.661 8.029 2.59 A-3 46 AC-95 0.306 0.434 0.035 7.038 9.982 3.22
: r0*l/n X=x0*l/n Qc=n*q0*l
:
4.73+j8.11 1 5.66+j8.03 2
j1.35 j1.35 j1.3 j1.3

28.16+j15.52 12.14+j6.1
7.04+j9.98
3
j1.61 j1.61 28.17+j16.2
Sp1=28.16+j15.52-j(1.35+1.3)=28.16+j12.87
Sp2=12.14+j6.1-j1.3=12.14+j4.8
Sp3=28.17+j16.2-j1.61=28.17+j14.6
A
41.18+j21.81 12.22+j4.91
j1.35 28.16+j12.87 12.14+j4.8

28.75+j15.43
j1.61 28.17+j14.6
.
1-2
Sk=12.14+j4.8 DS=0.08+j0.11 S=12.22+j4.91
-1
Sk=40.38+j20.43 DS=0.8+j1.38 S=41.18+j21.81
-3
Sk=28.17+j14.6 DS=0.58+j0.83 S=28.75+j15.43
Sa=28.75+j15.43
åSa=69.93+j34.28 46 37 38
N1 N3
1
38

1 2*25 110/10 37
Sp28.16+j15.52

2

A
Sp=12.14+j6.1 2 35

2*10 110/10
3
3 46

Sp=28.17+j16.2 2*25 110/35/10
N1
N3 -1=38*14=532. 1-2=37*11.4=421.8. K2-3=35*11.4=399.. K3-A=46*14=644.. =1996.8.. K=530+380+560=1470.. Kc=1996.8+1470=3466.8.. =2.8*1996.8/100=55.9.. =9.4*1470/100=138.18. Tcp=t=4617.6=2500. DW=2500*(0.052+0.61+0.016+0.6)=3195 w=0.01*3195=31.95. =55.9+138.18+31.95=226.03. =0.12*3466.8+226.03=642.046. A-1=38*18.1=687.8. 1-2=37*17.8=652.6. A-3=46*17.8=818.8. =2165. =430+310+525=1265. =2165.2+1265=3430.2. =2.8*2165.2/100=60.63. =9.4*1265/100=118.9. DW=3700*0.8+2600*0.08+1500*0.58= =4038, w=0.01*4038=40.38. =60.63+118.9+40.38=219.9. =0.12*3430.2+219.9=631.524.
631,5100%
642 ---X%
X=642*100/631.5=101.6%
, . . 3
,
3% 1.
3.
4. ר


.

1


2
3
-1 1-2
A 9,5+j16.2 1 11.3+j16.1 2

j0.67 j0.67 j0.64 j0.64
28.16+j15.52
12.14+j6.1
-1 1-2 R=r0*l X=x0*l Qc=q*l Qc/2 0.249*38=9.5 0.427*38=16.2 0.0355*38=1.34 0.67 0.306*37=11.3 0.434*37=16.1 0.035*37=1.29 0.64


:
Sp1-2=12.14+j(6.1-0.64)=12.14+j5.46
SpA-1=28.16+j(15.52-j0.67-0.64)=28.16+j14.21
1-2
Sk=12.14+j5.46
DS=0.17+j0.24
S=12.31+j5.70
-1
Sk=12.31+j5.7+28.16+j14.21=40.47+j19.9
DS=1.6+j2.72
S=40.47+j19.9+1.6+j2.72=42+j22.6
S=42+j(22.6-0.67)=42+j22.07
S=28.17+j16.2+42+j22.07=70.17+j38.27

Sk 40.47+j19.9 Sk 12.14+j5.46

70.17+j38.27 42.0+j22.6 12.31+j5.70



5.

:
A

4.73+j8.11 5.66+j8.03
41,18+j21.81 1 12.22+j4.91 2 112,8 116 111,8

7.04+j9.98 3
28.75+j13.82 113
U1=116-41.28*4.73+21.81*8.11/116=112.8
U2=112.8-12.22*5.66+4.91*8.03/112.8=111.84
U3=116-28.75*7.04+13.82*9.98/116=113.07
:

A 42+j22.6 9.5+j16.2 1
12.31+j5.7
11.3+j16.1
2
116 109,4 107,3
U1=116-42*9.5+22.6*16.2/116=109.37
U2=109.4-12.31*11.3+5.7*16.1/109.4=107.3

:
3.

0.75+j0
18+j8.7 108,7

108,7

28+j15.7 0.75+j29.9 113


0.75+j18.75

10+j4.9 107,8
U0=113-28*0.75+15.7*29.9/113=108.66
Uc=0
U=108.66-10*0.75+4.9*18.75=107.75

U³1,05*U.=1.05*10=10.5

U=U1*U./U=107.8*11/10.5=112.8
U.=112.95(-1*1.78%)

U=U1*U./U.=107.8*11/112.95=10.49

U.=³1.05*U.=1.05*35=36.75
U.=108.7*38.5/112095=37.05


1
28,1+j15.2 1.53+j29.18
10.6

108.5 10.3 U=11208-28.1*1.53+15.2*29.18/112.8= =108.5 U=109.4-28.1*1.53+15.2*29.18/109.4= =104.96 U³1.05*10=10.5 U=£1.0*10=10 U=108.5*10.5/10.5=108.5 U=104.96*10.5/10=110.2 U.106,81(-4*1.78) U=104.96*10.5/106.81=10.3 U=108*10.5/106.81=10.6
2
12,1+j5.96
3.95+j69.5 10,6

10,2 103,17 U=111.8-12.1*3.95+5.96*69.5/111.8= =107.67 U=107.3-12.1*3.95+5.96*69.5/11108= =103.17 U³1.05*10=10.5 U£1.0*10=10 U=107.67*11/10.5=112.79 U=103.17*11/10=113.48 U.=110.91(-2*1.78) U=107.67*11/110.91=10.6 U=103.17*11/110.91=10.2
:
1,2,3 ,


,

.
ʠ
1.
..
. ,1987.
2.
. ,1988.
3.
.. ,1989.
4.
.. .
,1989.
5.
10 ,1996.
6.
.. .

, 1972.
7.
1993.
8.
6-750 ”1991.
. . . . . . . . . . . . . . .

      ©2010