:
- .
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- .
- .
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:
- .
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- .
, , , , .
.
, 1000 , , , , . , , , .
, .
(), .
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.
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:
0 | :
) U 1000
) U 1000
|
:
| ) 1000 R3 4 ) 1000 |
1. , R3,
U3- ,;
U3-= 250, 1000;
U3= 125, 1000;
I3- ,
4 , ..
2. ,
|
|
Re- ,
3. ,r,*
r=r*y
r- ;
y - , ;/ 16/
y1 ;
y2- ;
y3- .
r=10000*1,5=15000 *
4. , R0,
R=0,00325*r
×
.................................................... 700
................................................ 300
.............................................. 100
.................................................... 40
...................................... 40
............................................... 20
...................................................... 20
16-
, | ||||
y1 | y2 | y3 | ||
0,8-3,8 | 2,0 | 1,5 | 1,4 | |
(0,6), | 0-3 | - | 1,32 | 1,2 |
, | 0-2 | 1,8 | 1,2 | 1,1 |
0-2 | 2,5 | 1,51 | 1,2 | |
0-2 | 1,5 | 1,3 | 1,2 | |
0-2 | 1,4 | 1,1 | 1,0 | |
0-2 | 2,4 | 1,56 | 1,2 | |
0-2 | 2,4 | 1,36 | 1,2 |
17-
h (a/l) | ||||||
0,87 | 0,8 | 0,68 | - | - | - | |
0,83 | 0,7 | 0,55 | 0,78 | 0,67 | 0,59 | |
0,77 | 0,62 | 0,47 | 0,72 | 0,60 | 0,43 | |
0,75 | 0,60 | 01,40 | 0,71 | 0,59 | 0,42 | |
0,73 | 0,58 | 0,30 | 0,68 | 0,52 | 0,37 | |
- | - | - | 0,64 | 0,48 | 0,33 | |
- | - | - | 0,61 | 0,44 | 0,30 | |
- | - | - | 0,60 | 0,43 | 0,28 |
R=0,00227r
R=0,0034r
R=0,00325r
R=0,00325*15000=49
5. , n,
h - / 17/
2,5 , , , .
:
- .
- .
- , .
- U 1000 .
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