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1997

1. ..................................................................3

2. .....................................................................4

3. ................................................4

4. ...........................5

5. ר .................................................6

6. ר ......................9

7. .....................................14

8. ............................................15

1.  

. , , , - .

:

     

     

     

     

      , , .

- .

, , , , , , , .

- , , .

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: , , , .

2

1) ࠠ 0.95.

2) 20 0

3) ⠠ 2

4) ꠠ -7, -2.5

5) ⠠ 2

6) 蠠 L1=1000 젠

L2 =1500

.

3.

: . , 2 280 280, 1100 . , , , 1100, 2100 2120. 100-150 . . - . .

4. .

- -80 .

-80 .

-     -80

-     -80 .

-     151

-     32

-80

1.  3.0 /

2.  ࠠ 0.73...1.25

3.  ࠠ 0.8

4.  蠠 5 /

5.  堠 200

6.  220

7. 

ࠠ 5000

ࠠ 2500

ࠠ 730

8. ࠠ 12.5

- .

5. ר

1. =1 / .

2. :

.

-200 1.0 .

3. .

蠠 㠠

ࠠ - 127 .

4. .

1

蠠 /

蠠 /젠

1 ࠠ /젠

ࠠ 1 ࠠ

/젠

.

5.

1500

0.03

1

2

3

4

5

6

7

8

9


×60×0.03×

+ 413 ͠

×(13.4+8.9)×50×0.03 =

+742

×1490×0.03 =

0.033

×(13.4+20.8+50)×1500×0.033 =

,

堠 i= 3 -

n= 8.5 -

Sp = 1960 / - 1

.

堠 -

, 1100

1. 2 /

2. 16.5 3/

3. 735 /

4. ࠠ 1500

5. 45

6. ࠠ 330

6. ר Ƞ .

:

ꠠ -7 , -2.5

蠠 ,

ꠠ =2160

1.

.

)

,

y-

2

)

,

27 .

Q = z×g×(G+G)=27×9.81×(1.36+2)= 890

Q = z×g×(G+×G)=27×9.81×(1.36+2)= 360

2.

F=1/n×(P+P)×(w-i)=1/2(7×9.81+890)(9-3)=2876 H

F=1/n×(P+P)×(w+i)=1/2(7×9.81+360)(10+3)=2786 H

:

F=2.87 H : I=130 A , v=9.0 / F=2.78H : I=125 A , v=9.2 /

/

l=40 - .

/

 

3.


I£ I

=t + t + t

t=30

I = r I , r =0.5 -

I=200 -

I = 0.5 × 200=100 .

I£ I

5.

- k - 蠠

n -

N = N + N=9+2=11

N -

Qp = L×A / Np=1.25×2160/9=300 ×

Q = L×A / N=1.25×2160/11=245 ×

6.

×

W = W×n=41.76× 52=2171 ×

/

7. Π ().

1. 40 , - 20 .

2. . 300 2 / .

3. .

4. , , .

5. :

) , 10% .

)

)

) , 10 0 .

) , , 92% () .

) .

6. , , .

1) . . .. , .. . - .: , 1985.

2) .-.: , 1986 .

Π Ƞ Π ɠ ߠ -ߠ

 

 

 

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