, 120. , 120.

:

eA=Emsinωt

eB=Emsin(ωt-120)

e=Emsin(ωt-240)

: EA=Eej0, EB=Ee-j120, E=Ee-j240.

, .

.

, , ; x, y, z.

(), , .

, .

.

 

, . (- - - - -)

, , .

, , .

, ( Z1, Z2, Z3 ) 120, 0.

IN=IAej0+IBe-j120+ICej120=0

.

, .. 0.

.

U, U, U . I=I.

:

UAB=UA-UB

UBC=UB-UC

UAC=UA-UC

.

, UAB=U, UB=U

.

I=I .

U=UAB=UBC=UAC

ZA=ZB=ZC

: , , , , .

:

1. :

U=U/

2. :

3 :

4 :

,

5 :

,

6 :

7 :

8 :

9 :

, 1,27 , 80 , 60 . , , , , , .

     


, 1965 ( ) , . , - . , 1933 .? FAQ .




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