. -
__________________ ..
4
100111
.
_________________________________
______
_____ _________________ 200__ .
- __________________________
() - _________________________
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_______ 260901(2809) , 100102(2301) , 100111(2305)
. .
. ( 0 10- ).
, .
. :
- ;
- ;
- ;
- , , ;
- ;
- ;
- .
, 2,5-3 - .
18 ; .
. , (), .
(, ..), , , ( ), .
.
, , .
(, , , ..) : , , , , ( .. .: , 1983.).
|
|
.
, , , ( ).
.
. ( , ) .
:
- ;
- , , ;
- ;
- () , .
.
1.
, J3(), 3().
J(), V(). - E() (). _
+
+ _
1.
1
J3() | J() | 3() | () | |
3 | 4 | 12,25 | 10.9 | |
2 | 3 | 11,25 | 9,9 | |
3 | 4 | 10,25 | 8,9 | |
2 | 3 | 9,25 | 7,9 | |
3 | 4 | 8,25 | 6,9 | |
2 | 3 | 7,25 | 5,9 | |
3 | 4 | 6,25 | 4,9 | |
2 | 3 | 5,25 | 3,9 | |
3 | 4 | 4,25 | 2,9 | |
2 | 4 | 3,25 | 1,9 |
2.
. -500, =150 , ̻ =300 , 26 -4
=100 . : η1 ( ) ( ); η2 ; η3 .
. V=220 .
|
|
( ) .
, .
1.
1.
// | // | // | ||
=500 =150 =300 | η2=16 =100 | η3=10 =100 | 380 | |
=500 =150 =300 | η2=16 =100 | η3=10 =100 | 220 | |
=500 η1=8 =100 | =300 η2=7 =100 =150 | η3=11 =100 | 380 | |
=500 η1=8 =100 | =300 η2=7 =100 =150 | η3=11 =100 | 220 | |
=500 η1=5 =100 | =300 η2=5 =100 | η3=16 =100 =150 | 380 | |
=500 η1=5 =100 | =300 η2=5 =100 | η3=16 =100 =150 | 220 | |
η1=8 =100 =150 | =300 η2=10 =100 | η3=8 =100 =500 | 380 | |
η1=8 =100 =150 | =300 η2=10 =100 | =500 η3=8 =100 | 220 | |
η1=7 =100 =150 =300 | =500 η2=6 =100 | η3=13 =100 | 380 | |
=150 =300 η1=7 =100 | =500 η2=6 =100 | η3=13 =100 | 220 |
3.
.
, S., : V. 1; V. 2, : J .1; J .2, , W1 W2, f= 50 , .
.
3 , .
, , , .
2.
()
, . | S () | V 1 () | V2 () | J 1 | J 2 | W1 | W2 | () | |
1 . , | - | - | 0,1 | - | - | - | |||
2. , . | - | 0,25 | - | - | - | - | |||
3. , . | - | 0,25 | - | - | - | 4,5* 10-4 | - | ||
4 . , . | - | - | 0,25 | - | - | - | |||
5 . . | - | - | 0,15 | - | - | - | |||
6 . , . | - | - | - | - | - | ||||
7 . , . | - | - | - | - | - | ||||
8 . , . | - | - | - | - | - | 11,25 | |||
9. . | - | 0,15 | - | - | - | - | 7,3 | ||
10 . , . | - | - | 0,1 | - | - | - | 2,2* 10 -4 | 16,7 |
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3.
1.
, , 226. Pd, , Vd=80 . . . 4.
2.
. Pd=300 , Vd=200 . 202, 202, 202, 4. , , .
, .
3.
, 217, 226, 202 . Pd=30 , Vd=100 . , , . . 4.
4.
, , 226. , Vd=15 . , . 4.
5.
, 226. Vd=200 . Pd. , . 226 217? 4.
6.
, : Vd=300 , Jd=0,5 . : 407, 221, 210, , .
. . 4.
7.
226. Vd=100 .. . . 226 226? 4.
8.
, , : Vd=80 , Jd=0,3 , : 226, 202, 207. . Pd , ? 4.
|
|
9.
, 405. Pd=400 , Vd=200 . . 231? 4.
10.
, 7. Vd=200 . . , .
, ? 4.
3.
J . | V . | J . | V . | ||
0,3 | 400 | 226 | 0,3 | 400 | |
207 | 0,1 | 200 | 231 | 5,0 | 300 |
210 | 0,1 | 500 | 202 | 5,0 | 100 |
217 | 0,1 | 800 | 202 | 3,5 | 300 |
221 | 0,4 | 400 | 202 | 5,0 | 400 |
226 | 0,3 | 400 | 405 | 1,0 | 600 |
226 | 0,3 | 300 | 407 | 0,5 | 500 |
1.
, , .
+
_
J3
_ +
,
J
() r().
. J3=3, 3= 4,25. J=4, =3,9. () r().
: J3=3,0; U3=4,25;
J=4,0; U=3,9;
: =? r=?
: J3
J
(U3 - E) Jp = (E - Up) J3
U3 Jp Jp E = E J3 Up J3
U3 Jp + Up J3 = E J3 + Jp E
U3 Jp + Up J3 = E (J3 + Jp)
E =
: =
r: r =
r =
2.
, (, ) .
(V = V), .
(J = J), . , , , (V).
. : = 3, Q = 3Q, S = 3S. ( ) ( ) .
1.
V = 220 . : = 2200 , = 3300 , = 1100 , = 100 .
, , J , R, , .
|
|
:
V = 220 , = 2200 , = 3300 , = 1100 , = 100 .
:
J; J; J; J; J; R; N; N; N.
:
1. :
N = /= 2200/100 =22
N1 = /= 3300/100 =22
N = /= 1100/100 =22
2. , : J = /V, .. V = V = 220:
J = / V = 2200/220 = 10
J = / V = 3300/220 = 15
J = / V = 1100/220 = 5
3.
J = / V = 100/220 = 0,45
4.
R = V/ J = 220/0,45 = 489
5.
= + + = 2200 + 3300 + 1100 = 6600
Q = 0
S = 6600
.
: m J = 5/; mV = 55 /
, 120.
, .
: (J = J = J = 0).
1 V =1 V = 1 V = V/ mV = 220 /55 / = 4
1 J = J / mV = 10 /55 / = 2
1 J = J / mV = 15 /55 / = 3
1 J = J / mV = 5 /55 / = 1
, :
J = J - J
J = J - J
J = J - J
UAB
-ICA
IAB
IA
Ic
-IBC
ICA
IBC
UCA IB UBC
-IAB
, : J = 12 ; J = 22 ; J = 18 .
2.
V = 220 . , , , , : R = 20 , R = 10 , R = 5 .
| |||
| |||
N
:
V = 220 , R = 20 , R = 5 .
:
J; J; J; JN; ; ; ; .
:
, ,
V = V /√3 = 127 , ..
( )
J = V/Z
, Z = R
:
J = V/R = 127/20 = 6,35 ;
J= V/R = 127/5 = 25,4 ;
J= V/R = 127/10 = 12,7 ;
s J = 1, J = 0. : = V* J*s J = V* J = J2 * R
= V J = 127*6,35 = 806,45
= V J = 127*12,7 = 1612,9
= V J = 127*25,4 = 3225,8
= J2 * R = 6,352*20 = 806,45
= J2 * R = 12,72*10 = 1612,9
= J2 * R = 25,42*5 = 3225,8
:
= + + = 806,45 + 1612,9 + 3225,8 = 5645,15 .
.
1V = 1 V= 1 V=127 /25,4 / = 5
1 J = 6,35 /6 / = 1
1 J = 12,7 /6 / = 2,1
1 J = 25,4 /6 / = 4,2
120 . (J= J= J=0).
:
JN= JA+ JB+ JC, . , JN:
JN= 6 / * 2,8 = 16, 8
UA
IA
IB
IN IB
IC
Uc
UB
3.
3 , , , .
:
S , .
V 1 , ( ).
V 2 .
J 1 ,
J 2 .
:
J 1 = S / V 1; J 2 = S / V 2
:
J 1 = S / √3 V 1; J 2 = S / √3 V 2
, , = S2 / S.
.
1.
, ( cosJ = 1)
V 2 = 36 J 2 = 3 . W1 = 3170, = 6,1, f = 50 .
V 1.
J 1, S, , W2.
:
V 2 = 36 , W1 = 3170, J 2 = 3 , = 6,1, f = 50 .
:
V 1, S, J 1, , W2.
:
1.
V 1 = * V 2 = 36 * 6,1 = 220
2.
S = V 2 * J 2 = 36 * 3 = 108
3.
J 1 = S/ V 1= 108 / 220 = 0,19
4.
W2 = W1 / = 1370/6,1 = 225
5.
= 4,44* f* W1*. , \1\=\ V 1\, :
= V 1 / 4,44 f W1
= 220 / 4,44*50*1370 = 2,33*10-5
4.
, . - , , , . J., , V., . Pd (), , Vd (), . Jd = Pd / Vd. J., . , .. : J. ≥ Jd. , .. : J. ≥ 1/3 Jd.
, V, . - V = π * Vd = 3,14 Vd, V = π * Vd / 2 = 1,57 Vd, V =2,1 Vd. , , V. ≥ V.
.
1.
Pd = 20 Vd = 60 , 207.
:
3 : J. = 0,3 , V. = 200 .
:
Jd = Pd / Vd = 20 / 60 = 0,33
, :
Vd = 3,14 Vd = 3,14 * 60 = 188,4 .
J. V.. : J. > 0,5 Jd V. > Vd. , 188,4 < 200. . J. > 0,5 Jd, ,
J. = 0,1*2 = 0,2 > 0,167 .
:
~
2.
202. .
:
3 J. = 3,5 , V. = 300 .
.
J. ≥ 1/3 Jd, .. Pd = 3 Vd J.
Pd = 3*150*3,5 = 1575 .
, Pd ≥ 1575 .
, V. > V. , 300 < 315 . , , V. = 300*2 = 600; 600 > 315 .
:
RH