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2 36 07 01
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_1__ ______________08________ 2015.
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2015.
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11 , .. . 1.2. 1.6. , - . 1 1, , 2 2. , .
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, , , . , 1. 1.
1. , . 1, , R , 8 .
. . , ; , .
1. RCD, , R3 R4 , R5 : RCD = (R3 + R4) R5 / (R3 + R4+R5) = (10 + 5)*10 / (10 + 5 + 10) = 6 (. 1,6).
2. . RCD R2 , R = RCD R2 / /(RCD+R2) = 6*3 / (6+3)=2 (. 1, ).
3. : R = R1 + R = = 8 + 2 = 10 (. 1, ).
4. . UAB , R = 10 , I1 = UAB / RAB = = 150/10 = 15 .
! I1 = UAB / R1, U , R1.
I1 R2, . . UCE. , UCB UAB R1, . . U = = U I1 R1 = 150 15*8 = 30 . I1 = UCE / R2 = 30/3 = 10 . UCD = = UCD, I3,4 I5: I3,4 = UCD/(R3 + R4) = 30/(10 + 5) = 2 ; I5 = UCD/R5 = 30/10 = 3 .
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, , :
I1 = I2 + I3,4 + I5, 15 = 10 + 2 + 3 = 15 .
5. :
W = Pt = UABI1t = 150*15*8 = 18 000 * = 18 *.
1 , UAB , I2 = 2 . UAB. I2, UCE = I2R2 = 2-3 = 6 . UCE = UCD,
I3,4 = UCD/(R3 + R4) = 6/(10 + 5) = 0,4 ;
I5 = UCD / R5 = 6/10 = 0,6 .
I1 = I2 + I3,4 + I5 = 2 + 0,4 + 0,6 = =3. UAB = UCE + I1R1 = 6 + 3*8 = 30 .
5 R5 , . 1, . : R'AB = R1+ (R3 + R4)R2 / (R3+R4 R2) = 8 + (10 + 5)*3 / (10 + 5 + 3) = 10,5 . UAB , I1 = = UAB/R'AB = 150/10,5 = 14,28 . UCE = UAB I1R1 = 150 - 14,28 * 8 = = 35,75 .
I2 = UCE/R2 = 35,75/3 = 11,9 A; I3,4 = UCE/R3,4 = 35,75/(10 + 5) = 2,38 A.
I1: 11,9 + 2,38 = 14,28 .
. 1
2
. 1.5, , .
2. , RK = 3 XL = 12 , R = 5 xC = 6 (. 2,). U = 100 ( ). : 1) ; 2) ; 3) ; 4) , ; 5) . .
. 1. :
Z = V(RK+R)2+(xL-xC)2 + = V(3 + 5)2 + (12 - )2 = 10 .
2.
I = U/Z = 100/10 = 10 .
3. . ( - ) sin φ: sin φ = (xL- - xC)/Z = (12 - 6)/10 = 0,6; φ = 3650'. cos φ = cos 3650' = 0,8.
4. , :
= U I cosφ = 100-10*0,8 = 800 = I2(RK+ R) = 102 (3+5) =800 ;
Q = I2(xL-xC) = 102(12 - 6) =600 Q=U I sinq>=1000-10-0,6=600 ;
S = UI = 100*10 = 1000 B* S = I2 Z = 102-10 = 1000 *
S = VP2 +Q2 = V8002 + 6002 = 1000 *.
5. : URK=10*3 = 30 ; UL = IxL = 10*12 = 120 ; UR = IR = 10*5 = 50 ; UC = IC = = 10*6 = 60 .
. : 1 - 2,0 : 1 - 20 . (. 2, ) , 10 /2 / = = 5 .
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URK UR: 30 /20 / = 1,5 ; 50 /20 / = 2,5 .
UR 90 UL 120 /20 / = 6 . UL 90 Uc 60 /20 / = 3 . URK, UR, UL, UC , .
. 2
1
1. , . . 1. , . , R5 I5 U5. : 1) ; 2) ; 3) ; 4) 10 . , .
1- 1
J4,5=6 | - | R3 | 1,26,40 | ||
U2=100 | R6 | - | 3,18,42 | ||
J2=10 | - | R4 | 7,29,38 | ||
U3=40 | R5 | - | 5,20,44 | ||
U1=100 | - | R2 | 6,19,45 | ||
U=200 | R3 | - | 8,17,30 | ||
U=30 | - | R6 | 9,16,32 | ||
J1=1,08 | R4 | - | 10,21,33 | ||
U1=10,8 | - | R1 | 11,22,34 | ||
J2=0,72 | R5 | - | 12,23,43 | ||
J3=1,8 | - | R2 | 13,29,44 | ||
U4=12 | R3 | - | 14,35,45 | ||
U=60 | - | R2 | 15,36,46 | ||
J2=6 | R1 | - | 16,26,37 | ||
U1=36 | - | R4 | 2,20,43 | ||
J3,4=2,16 | R2 | - | 7,23,46 | ||
U5=14,4 | - | R3 | 1,26,40 | ||
J1=2,4 | R3 | - | 3,18,42 | ||
J1,2=3,6 | - | R6 | 7,29,38 | ||
U5=21,6 | R1 | - | 5,20,44 | ||
J3=10,8 | - | R5 | 6,19,45 | ||
U6=108 | R4 | - | 8,17,30 | ||
J5=7,2 | - | R3 | 9,16,32 | ||
U4=72 | R2 | - | 10,21,33 | ||
J1=8 | - | R2 | 11,22,34 | ||
U6=48 | R1 | - | 4,30,46 | ||
J3=3,2 | - | R3 | 7,23,43 | ||
U1=32 | R2 | - | 9,21,46 | ||
U=80 | - | R4 | 13,20,45 | ||
J6=4,8 | R3 | - | 16,22,38 | ||
UAB=100B | R1 | 1,18,45 | |||
I1=20 A | R4 | 3,20,44 | |||
U2=30B | R5 | 5,17,40 | |||
I5 =10A | R2 | 11,23,46 | |||
UAB=50B | R3 | 8,26,45 | |||
I2=2 A | R2 | 13,27,42 | |||
I1 =5 A | R3 | 6,16,40 | |||
U5 =18 B | R6 | 5,21,38 | |||
I3 =1,2 A | R5 | 4,18,41 | |||
I5 =6 A | R3 | 3,16,37 |
. 1 . 2
.3 .4
.5
.6 .7
2. , , , 2. , (U, I, P, Q, S). , : 1) Z; 2) U, ; 3) ; 4) φ ( ); 5) , Q, S , . . , , . , , .
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2- 2
R1, | R2, | XL1, | XL2, | XC1, | XC2, | |||
- | - | J = 10 | ||||||
- | - | P = 120 | ||||||
- | - | P2 = 100 | ||||||
- | - | Q= -100 | ||||||
- | - | U = 40 | ||||||
- | - | P = 16 | ||||||
- | - | QL1 = 135 | ||||||
- | - | UR1=80 | ||||||
- | - | P = 100 | ||||||
- | - | UC2 = 40 | ||||||
- | - | J = 1 | ||||||
- | UR2 = 28 | |||||||
- | P = 200 | |||||||
- | QC1 = -320 | |||||||
- | P =270 | |||||||
- | Q = - 64 | |||||||
- | J = 4 | |||||||
- | UL1 = 125 | |||||||
- | Q=100 | |||||||
- | J = 5 | |||||||
- | J = 10 | |||||||
- | Q = 1600 | |||||||
- | U=100 B | |||||||
- | - | - | P = 72 | |||||
- | - | - | U = 30 | |||||
- | - | - | Q = - 48 | |||||
- | - | - | QL1=125 | |||||
- | - | U = 20 | ||||||
- | - | Q = - 192 | ||||||
- | - | Y = 4 | ||||||
- | - | P=80 | ||||||
- | - | - | J = 6 | |||||
- | - | - | P = 64 | |||||
- | - | - | Q = - 48 | |||||
- | - | - | P= 1000 | |||||
- | - | P = 24 | ||||||
- | - | P = 64 | ||||||
- | - | U = 80 | ||||||
- | - | QL1 =125 | ||||||
- | - | U =200 B |
.8 .9
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.10 .11
.12 .13
.14 .15
.16 .17
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