1.1 :
:
2 , ,
4 , ,
1.2.2 :
-
- ;
-
1.2.3 :
- ;
- .
:
- ;
- ;
,
2.1 ( )
2.2 9 ( )
3 - .
4.1 . ,
4.2 .
4.3 1 ( )
4.4 ( )
4.5 3 1 .
4.6
4.7
4.9
4.9 90 .
5 -
6
7.1 .
7.2 , .
7.3 .
7.4 .
:
- ;
- .
:
- ;
- , ;
|
|
|
- , ,
,
(I)
ZA=ZB=ZC=Z
ZA≠ZB≠ZC≠Z
ʻʻ0ʻʻ
| 1 ZA=ZB=ZC=R IA+IB+IC=0 | 
|
| 2 - 0 I0=0 IA, IB, IC , IA+IB+IC=0 ZA, ZB, ZC , U | 
|
3
ZA¹ ZB¹ ZC= Z
3.1 ZA = R / 2
3.2
ZA = R
| 
|
4 (..)
ZA¹ ZB¹ ZC¹ Z
ZA=RAÞ ¥ IA¹ IB¹ IC
c 0
UB=UC=1/2*U
| 
|
5 (..)
0 , U
| 
|
( )
I I:
, I U j
D N
1/2I=I*cos300
cos300=Ö3/2
I=Ö3*I
.
9
1 :
- ;
-
- ;
-
2.1 3.2 ,
2.2 1
2.3 ,
2.4 .
1
| / | . | ||
| . .164 | |||
| 166 | |||
| .167 | |||
| 171 | |||
| .166 | |||
| 171 | |||
| 171 | |||
| 171 | |||
| - 4.7,4.8 123 | |||
| .164 | |||
| .176 | |||
| -. | |||
| 0 | |||
| 18.1 | |||
| 18.2 | 0 | ||
| 18.3 | |||
| 18.4 | |||
| 18.5 |
|
|
|
3.1 . .
3.2
_______________ _____________________
