sinhroni generator_zavrsni rad

8/14/2019 Sinhroni Generator_Zavrsni Rad

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:

: : . . 07163

, 2011.


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AJ

PE M ..........................................................................................................................4

...............................................................................................................................5

1. ...............................................................................7

1.1. ..............................................................................................8

1.2. ...........................................................................8

1.2.1. ...............................................................................................9

1.2.2. .................................................................................................. 11

1.2.3. .......................................................................... 12

1.2.4. (mps) ............................................................................ 12

1.2.5. .............................................................................. 13

1.2.6. ............................................ 18

1.3. a . ................................................. ....18

1.3.1. ............................................................... 19

1.3.2. . .............................................. 19

1.4. ....................................................................... 19

1.4.1. .................................................................................. 20

1.4.2. ........................................................................... 21

1.4.3. ........................................................................ 22

1.5. ..................................................................................... 23

1.5.1. ................................................................................. 23

1.5.2. .......................................................................................... 231.5.3.

- ........................................................................ ............. 24

1.5.4.

.. ................................................................................................ .25

1.5.5. ......................................... 25

1.5.6.

........................................................................................................ . 26

1.5.7. ......... 26


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1.6. ........ 27

1.6.1. ...................................................................................... 29

1.6.2. .... 29

1.6.3. ................................................................................. 30

1.6.4. ....................................... 31

2. .. 32

2.1. .......................................... 322.2. ...................................................... 34

2.3. ................................ 35

3. K

.................................................................................................... .40

3.1. ......................................................... 40

3.2. ............................................................. 41

3.3. .............................................................. .42

3.4. ................................................................. . 42

3.5. ................................................................... 43

3.6. ........................................... . 43

3.7. ......................................................................... 44

3.8. .............................................................................................. 44

............................................................................................................ 46

...........................................................................................................47

................................................................................................................ 48

1.

. .................................................................. 49

2. ( ).................................52

3. ......................................................54


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1.1.

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1.2.

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1. (, ) 2. (KVA MVA).

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9/54


10/54

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11/54

11

1.2.2.

. (mps) ,

. .

ems e pr (t ) l v b (t ).

, ems . ,

ems

. , ,

ems, p p ems. p = const.

, ,

:

n = const p

f 60 (6)

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2 .

P 1 2 3 4 5 6

n (ob/min) 3000 1500 1000 750 600 500

3.

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12/54

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ems

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13/54

13

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( ).

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:

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e 3 (t ) = E m sin ( t - 4 /3) (9)

.

ems " ",

, (1-1'; 2-2'; 3-3', 6 ),

120 0,

B.


14/54

14

6. ()

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Ko

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t=0.

7 .


15/54

15

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16/54

16

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0 (0') je , . 1, 2 i 3 (1', 2', 3')

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9,

( ):

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U l 23=U f 2U f 3 ;

Ul 31

=

U f 3

U f 1

300..


17/54

17

(15)

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I l = I f ; U l = 3 U f . (16)

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U f ,

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10.

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18/54

18

11.

( I l 1 , I 2l , I l 3, ) ( I f 1, I f 2 , I f 3 , )

I :

1: I l 1 = I f 1 I f 3 (17) 2: I l 2 = I f 2 I f 1 (18)

3: I l 3 = I f 3 I f 2 (19)

Ko ,

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U l = U f ; I l = 3 I f . (20)

1.2.6.

.

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ems.

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1.3.

4.

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4 . , , (: , 1983), 66


19/54

19

1.3.1.

E 0, , J p, . E 0 f = ( J p) I = 0, n =const . f n .

, AB mps , BC mps .

, J 0,

ems E n =U 0.

12.

1.3.2.

, I k , , p ,

I k = f ( J p) U = 0 n =n.

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I k n = I .

1.4.

, mps , F p, mps

, F , mps maine, F = F p + F a . Mps

mps , . mps

, mps , ,


20/54

20

ems .

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5:

( =0 ),

( = /2 ), ( = /2 ).

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13.

13.

1-m ps , 2 - m ps , 3 - mps

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(21)

ems v B. ems ,

v . Mps

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B( H ), H

, B ,

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5 . , (: , 1983),39


21/54

21

1.4.2.

14.

14.

1-m ps , 2 - m ps , 3 - mps

/ 2, mps

, mps

. mps .

:

(22)

, Un , J 0 , I n,

cos = 0 (ind), J k , ,

.


22/54

22

2.4.3.

15.

15.

1-m ps , 2 - m ps , 3 - mps

/2, mps

, mps .

mps ,

. , .

, :

(23)

J 0 J k

.


23/54

23

1.5.

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(24)

od 10% 14%.

1.5.1.

:

(25) (26)

X d X q .

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: X d = 120% , X q = 65%.

1.5.2.

6:

(27)

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6 . , (, ,1983), 139


24/54

24

1.5.3. -

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d

900 . mps

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7, .

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(ems) , E 0, mps Ff ,

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a.

1 6. -

7 . , . j


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25

1.5.4.

:

(28)

I cos I sin

:

(29)

:

(30)

1.5.5.

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(31)

O

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26/54

26

1.5.6.

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90 0 .

1 8.

1.5.7.

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xd xq8.

1 9.

8 . , , (, , 1986),127


27/54

27

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(34)

20.

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28/54

28

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29/54

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1 , 0 .

( M 1 - M 0) .

1 . ,

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30/54

30

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= 0 , = 90 o .

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31/54

31

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32/54

32

2.

2.1.

13

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q

X

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d d

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e X X

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sin (t + 0 )

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33

.

. q

, U je

- S q . 26 .

X q I S q

q - .

0

( 27 ). , ,

0 0 + 360 0 . 0

. u, d ,

q - . , d

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26.

27.


34/54

34

3.2.

X ''d

d .

.

28. X ''d

Xf Xa

d, X d . X m

d.

X ''d = Xd +

1

111

a f m X X X

(38)

X,

d

d

.

X .

X,

d = Xd +

1

11

f m X X (39)

d , ,

d,

:

X d = X d + X m (40)

X ''d X,

d

q -. X ''d 29 ,

q - , .


35/54

35

X,

q = X q +

111

am X X (41)

29 . X ''q

,

.

.

.

3.3.

. 30, RL

X = L , :

30. RL

:

(42)


36/54

36

u ,

R, , :

(43)

( = const.).

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( Xd q X , d T ),

( ) ,

( d X q X , d T )


37/54

37

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a d T ).

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38/54


39/54

39

32.

33.

a:

X s - , X r , X m ,

X pd .


40/54

40

3.

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3.1.

:

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( 34.)

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, ( 35.)

,

I km I kg .

14.

34 . 35.

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Ikg.

.

14 . ., . ., , ( :

1979),348


41/54

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3 5

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42/54

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Co

. uf

Co :

Iz = f uC 03

3 (45)

Co

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.

15.

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3.4.

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15 . ., . ., , ( : 1979),351


43/54

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,

100 s

Km 50 500 .

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(1 2 s ) .

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44/54

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45/54

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. CO 2

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16 R. S.

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46/54

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47/54

47

1. A. ., , , , 1976.2. . ., , , 1991.

3. . ., , , , 1983.

4. . ., , , , 1986.

5. . ., . ., ,

, , 1979.

6. .W. Kimbark ., Power system Stability, Synchronous Machines, 1968.

7. www.viser.edu.rs8. www.etfbl.net

9. www.pomorci.com

10. www.riteh.hr
http://www.pomorci.com/http://www.pomorci.com/


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:


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49

1. :

Sn = 137,5 MVA X d = 200 % X q = 190 % X 0 = 9,2 %

Un = 13,8 kV X 'd = 21%

X ''d = 15,2 % X ''q = 21% X 2 = 15,2

2 p = 2 T 'd 0 = 0,98 s T = 0, 25 s

f = 50 H z T ''d 0 = 0,04 s Y

I 0,8 I ; U U n ; cos 0,8 .

1 .

LAB, .


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50

2 .

3.

4 . a


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51

5 . b a

6. c

( )

1.

1 . a

() ,

p=8

,

p>8 X ''d 0,10 0,15 0,14 0,23 0,15 0,25

X ''q

0,10 0,15 0,14 0,26 0,16 0,28

X 'd 0,16 0,21 0,22 0,35 0,24 0,40

X d 1,4 2,6 0,8 1,4 0,75 1,25 X q = X 'q 1,1 1,8 0,52 0,90 0,45 0,8

T ''d [ s] 0,05 0,10 0,02 0,08 0,02 0,08

T 'd [ s] 0,6 2,0 0,5 2,5 0,55 2,5

T a [ s] 0,04 0,25 0,04 0,25 0,05 0,25


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52

2. ( )

7.

A, B, C

N " "

" ": U A, U B, U C

2 : U AB, U BC , U CA

8.

9 .

.


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53

9.

.

cos /6 =23

22

r r U U

U U (1)

U = f U 3 (2)

10 .


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3 .

11 . (Alstom)

12. (Alstom)

13.

sinhroni generator_zavrsni rad

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