:
1. , .
2. , .
3. .
7.1. .
, , , . .
, , , .
, , . . , U I - R - . I (S = U I) U. , . , , 80/220 , ( , .). , [I; 2].
. ( ) ( ). , . , - . . .
, ( ) . , , - , , . , . . I.I, . 1.2 - - . , .
. U1 W, i1,. () i1 W1 , ( , ) W1 W2 , 1 ( ) - W1.
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. 7.I
, 7.2
, :
W1
(7.1)
W2
(7.2)
, 1 W1, . . W1 1 = ψ1 = L1 = L1i1, L1 - ,
(7.3)
U1, 1, P1, i1 (.. I.I), :
U1 = 1 + P1 + i1R1 (7.4)
(7.5)
(7.3) i1=I1m sin wt,
(7.6)
E p1m = wL1 I1m , P1,
(7.7)
(7.5)
(7.8)
, U1 E1 X1 R1 . I1 1 , , .
W2 . i2 . .
i2 W2 P2, , , e P2, i2 R2 R2 W2, U2 e2:
(7,9)
(7.6)-(7.8)
(7.10)
2=wL2 - , P2; L2 - .
, i2 W2 , i1,W1:
(7.11)
(7.12)
I 0 - .
(7.11) (7.12) , , i0W1 i1W1 - i2W2 , , e1 (I..I), - U1 (7.4) [1;2]
E1=4,44 W1fm (7.13)
E2=4,44 W2fm (7.14)
, (. . 7.2), i2 U1 i1, . , i2 i2W2, - i0 W1, 1, i1 i1W1 i0 W1, 1. U2 (. (7.10)). T, (Z2=R2, φ2=0, φ 2 U 2 I 2 ) - (Z2 =R2+jX L, φ 2>0) U 2 I 2 , - (Z 2=R2-jX c, φ2 >0) - . U2 (I 2), , . 7.3. X P, , U2 U∂, .
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(7.12) W1
I1 = I0 + I2 (7.15)
I2 = I2 / K - W2, , .. W2 = W1;
/ E2 = U1 / U20 (7.16)
, , U20 , .. I2 =0 U1.
. S2 =S2, S2 S2 - .
,
(7.17)
(7.18)
(7.19)
(7.20)
(1.10)
(7.21)
, (7.8), (7.15) (7.21) . 7.4.
. , I2 ( ) U2= U1H, . I10= I0 << I1H, , . (7.8) U1H ≈ E1 (1.10) U20 = E2. P0 P ≡ ≡ E1, , Pn1 = I10 R1 .
(7.22)
(7.23)
(7.24)
, U1 = UK<< U1H I1= I1H, E1 (7.8) (7.13) . P I0 . I1 ≡U2, PK= I21HR1 + I22HR2 K.
(7.25)
(7.26)
(7.27)
R1, 1 R2, 2 :
(7.28)
(7.29)
. 7.5
U2(β), I1 (β), cos φ1(β) η(β) :
(7.30)
. 7.5.
7.2.
. 1.6.
. 7.6
. 7.1 , .
7.1
- | - | |||||
- : I - , VI - W - I1, U1 P1. U1, -.
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() KI K8 a - x , , . 9. U2 V2, I2 A2. . 7.2.
7.2
() | |||||||||||
U1 | I1 | P1 | U2 | I2 | S1 | Cosφ1 | P2 | η | ΔU2 | β | |
▪ | |||||||||||
: . | |||||||||||
7.3.
I. , . 7.1.
2. .
3. KI-K9, .
4. . U1H V1 . 7.2.
5. KI-K8. 1-6 . 7.2.
6. . . U1 ( V1), 9. U1K, I1 I1H. " " . 7.2.
7. . 0 ( ) PK ( ) P1H - P2H, P1H - W, P2H=U2H I2H V2 V2, .
8. .
7.4.
1. (7.16).
2.
I0= 100*I0/ I1H (7.31)
UK=100* UK/ U1H (7.32)
3. S1 = U1∙I1, cos φ1=P1/S1, 2 = U2 12, η=P2/P1, ΔU2=(U2H- U2)/U2H β=I2/I2H≈ I1/I1H. . 7.2.
4. U2 ( I2 ) (. . 7.3). (φ2 = 0) 6 . 7.2. r (φ2 >0, LH) (φ2 <0, CH ) :
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U 2 c U 20.
5. U 2(β), I1(β), cosφ1 (β), η(β) .
6. (. . 7,4). ( ) . 7.3.
7.3
R1 | X1 | Z0 | R0 | X0 | R2 | X2 | R2 | X2 |
7.5.
1. ?
2. ,
3. .
4. .
5. .
6. ?
7. ?
8. ?
9. , ?
10. ?
11. ?
12. ?
13. ?
14. I1(β), cosφ1 (β), η(β)?