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E G

P: R M S

20161

C A38 F

:

I ;A;

F ;

N .

S :

P (φ=90): Q= V.I.(φ)=VI;

Q=V/X = V..C.

73

C A

39 E:   , CA 100\30 V, 60 H, Z= 3 + 4.

D :

D I

Z = 5\(4/3) ; Z = 5\53,13 Ω

D

I = V/Z = 100\30 / 5\53,13 ; I = 20\23,13 AP ( )

D P

N = V.I* = 100\30 . 20\23,13 VA

N = 2000\53,13 VA

N = 1.200 + 1.600 VA

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C A

40 E:   , CA 500 V,60 H, P=2W,

(φ) = 0,5. V 0,92,

, , .

C:

P ;

N = P/ φ = 2000/0,5 = 4000 VA

P ;

Q = N. φ = 4000.(60)=3464 VA

P ;

N1= P/(23,07)=2000/0,92=2175 VA

C

Q 1 = P.(23,07)=2000.0,403=852 VA

Q = Q Q 1=3464852=2612 VA

C = Q/(.V)=2612/(2.π.60.500)=27,7F 75

C A

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76

C A

41 CG .

A ,

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E , ,

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C A

42 CA

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A

,

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A, ,

2, 3,

78

E

GE C 440461

E C 462 491

FE C 1 4655

(6 ) E C 69 91

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A

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S () ()

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N .

80

02 ()A

.

RT = V/V  .

RE = /  .

N :

RT= RE;

V/V = /.

81

03 (C)A

.

RTC = /  .

I/I = / ;

82

04 E:  

N = (5 + .5) VA:C (RT); (RE);

(RTC); ().

D:V = 1200 V; V = 80/ 0 V; N*()= (5 .5) VA= 100;  = 1500; =1 /90 ( )=1.

  (π/2)

S M: [=(*/2); = 0.0000 + 1.0000]

:RT = V/V = 1200/80 ;  = 15;

RE = RT ; E = 15 ;

RTC = V /V = 80/1200 ; C = 0,067;

Φ = (5/5).180/π; Φ = 45;

I = N* /V*= [(5000.20,5 ) /45 ] / (80 /0 );

 = 88,4 / 45 A

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05 E:   N = (5 + .5) VA (

04):C : I2, V2, E2, I1, V1, E1.

D:V = 1200 V; E2=2 =  = 80/ 0 V; N*() = (5 .5) VA; 2=  = 88,4 / 45 A;

= 100;  = 1500; =1 /90 ( ).

:RT = V/V = 1200/80 ;   = 15;

RE = RT;   E = 15 ;

RTC = V /V = 80/1200 ;   C = 1/15= 0,067;

E1 = E2 .RT = 80/ 0 .15;   E1 = 1200 / 0 ;

V1 = E1  ;   1 = 1200 / 180 ;

I1 = RTC. I2  = 1/15. 88,4; I1 = 5.89 /(180 45) A;  1 = 5,89/ 135; A

N1 = V1.I1* = 1200 / 180 . 5,89/ 135;   1 = 7072/ 45 A

: ,

! 84

06 :   , , (

) ( ) ::

1 = ;

2 = ;

  = ;

 = ; I = ;

1 = 2 = ;

85

07 E:   50 VA, , , ;: , 2;   , RE;     E2, E1,  ;

D: M: N(ℓ + .ℓ)=(30 +.40)VA; 1 = 4 Ω; 1 = 8 Ω; 2 = 100 Ω; 2 = 200 Ω;   = 8.000

Ω; V1 = 2.000 V; V2=10.000 /0 V; X = 5.000 Ω; RE = V/V = / ; =1 /90 ( ).

:

C I2: I2= N*/ V2* = 50.000/10.000 . /ϕ2 = (40/30)0; 2 = 5/ 53,13 A;

C E2: E2 = V2 + (2 + .2).I2;

10 000 + (100 + .200). 5/ 53,13 ; 10 000 + 223,6/ 63,4). 5/ 53,13; E2 =11.101,9 /1,03

RE = 2.000 /10.000 = 1/5; E1 = E2 .1/5; E1 = 1/5 .11.101,9 /1,03; E1 = 2.220,4 /1,03 ;

86