1

。

。

。

1-1

1-2

1-3

1-

1-5

1-6

4

0.35

1-7

1-8

2-1

D-50/10SSP-125000/220

SN=50kVA,U1N/U2N=10500/230V

U1N/U2N=220/10.5kV

YNd

U

2-2

2-3

2-4

2-

110

2-

I

110

I

6

5220/110

220

？

I

2—7

r

1

I

0

2—8380/220380

N、

2—9220/110

2-10

2-11

k=2

N2

2

1

2—12

2-13

2-

220/110V

2-15

2-16

6050

14

I°I=IOII

440V

/U2N=

2

2-17T

2-18

3

。

2-19

2—20

2-21

2—22

2-23

2-24

U

K

0

K

P

I

N

-00

2

2-

UIN=1100

2-26

25

U2N=110

SN=20000kVA

220

5

/11kVfN=50

1

2

3

15°C

r.x

U°=11kVl0=45.4AP°=47W

Uk=9.24kVIk=157.5APk=129W

r=r=k,x=x=k

T

,,

2

22

2

cos.：2=1cos2=0.8(20)cos-

=0.8(4<0)

4

(5

2-27

1.

2.

3.

4.

2-

1

cos=0.8(

0

)

cos\=0.8(

0

)

SN=1000kVAU°=6300kVUk=3240kV

T

U1N/U2N=60/6.3kVfN=50

l0=19.1AP0=5000Wlk=15.15APk=14000W

=0.8(0)

2

cos;:2=0.8(2

28

cos

0)

S-100/6.3

P0=600W

Y/Y

l0%=7%

u1N/U2N=6.3/0.4kVYyn

Uk%=4.5%PkN=2250W

2

ZL=0.875j0.438

2-

U2=U2N

29U1k=2610V

Ik=92.3A

2

SN=5600kVAU/U2N=35/6kV

Pk=53kWU1=U1Nl2=l2N

YdY/

2-30

4

2-31

2-32

2-33

5

，

2-34

2-35DY/YYd(Y/

)Y,y(Y/Y)

D,dA/

K

2-36Yy2(y/Y-2)Y,d5(Y/A-5)D,y1(A/Y-1)

2-37

2-38Y/

2-39

2-40

2-41

2-42

2-43

2-44

2-45

2-46

Y/Y

o

D,y11(A/Y-11)

Yd11(Y/A-11)

B

35/3

4-2235

100KVA100KVA200KVA300KVA

3000/230V3000/230V3000/230V3000/230V

Uki=155VUkii=201VUkiii=138VUkiv=172V

IKI=34.5APKI=1000WIKII=30.5APKII=1300W

IKIII=61.2APKIII=1580W

IKIV=96.2APKIV=3100WynY/Yo

YynY/Yo

2-47

2-48

2-49

2-50

60000

220/11

Yd

Y/A

r；=0.008,x0.072

2-51

2-52

10KV

3KV

6

L

3-1

3-

3-3

1

3-4

3-5

3-

2

2

Z2

U=220

6

N

PN=160

nN=90%

2=1500/

3-7Z2PN=145UN=230

nN=1450/

3-8

3-9

3-10

3-1120%

3-

3-13

3-14

3-15

3-16

12

Ea

e"

Cn

T

em

Ga

Cl

T

3-173.79106152

1200

/

3-18

800

3-19

3-20.

3-21

3-22

3-23

3-24

3-25

3-26

3-27

n=1460/Z=36

N

6

G-2.210

°

3-28

Rf=44

=

R4'T

7

Ra=0.2511

U=220V

3-

1

I

f

2

3

la

P

2

29

2U：Ub=2V

I

Ea

P

em

PN=35kW,UN=115V,n”=1450r/min

f

R=20.1.

Ra=0.0243

3-30

a

R=0.1141

1

2

3

4

5

3-31

UN=220V,IN=80A

b=

2AU2V

PN=17kW,UN=220V,nN=3000r/min,IN=88.9A

Rf=1815.

=0

R=0.15Q

Rf=110[

Ra=0.0991

1%

2

^N85%1

345678

4-1

4-2

4-3

4-4

1

1

4-

5

5-9

4-6

4-7

4-10

4-8

4-9

1

2

3

4-

PN=4.5Y/

Y

P

s

N

10

380/220

cos\^0.8^0.8

f=50

N

n=1450/

SN=0.04

8

1.

2.

4-11

1

n

N

Z=362P=4

600

y=72a=2

4-12

4-13

1

4-14

4-15

4-16

4-17

4-

18

3060/

3000

4-

c

N=20

4-

N=20fN=50

.1^=1.505

＜：^=7.5X10-3

20

19

2a=19

2P=2n=3000/

4Z=36

y

Z=60

5y

4-21

4-22

4-23

50Hz

60Hz

4-

24

50Hz

6-17

4-25

4-

mcos.，

6-18

26

t,ip=Imsin.，t

i

A

I

4-

4-28

5

27

y

6

20A

2P=6

N=72

Z=36

ia=141sin314t

9

=141sin(314t—120)

Jc=141sin(314t+1200)

ia=141sin314t

-141sin314t)

、i=0

c

a314t

"i=141sin

J=—70.4sin(314t-60°)

i^-122sin(314t30)

5-1

5-2

5-3

5-4

5-5

5-

5-7

5-8

!h

5-9

5-

5-11

5-

I2sn

3

50Hz

SNCOS

1

2

3

4

5

60Hz

1

1_s

6

,

s

10

n

111NSmTmaxTst

12

r

2

TT

maxst

12

50Hz38060Hz380

5-13

5-

nN=950/

COs4=0.88Pcu1+pFe=2.2

5-

14

Pmec=1.1Pad=0

154

PN=28

SNPcu2

PN=55

UN=380

N11f2

f1=50Hz

fj=50Hz

6.32Pcu1=341PCU2=237.5PFe=167.5PmeC=45Pad=29

10

5-16

5-17

5-18

5-19

Y

5-20

5-21

5-22

5-23

TsTmaxSm

5-24

5-25

5-26

5-27

5-

5-29

5-30

1

2

3

4

5

Y

s=0

s=1

1:::s:：:2

28Y

---

6-1

6-2

6-3

6-4QFS-300-2UN=18cos=0.85fN=501

2

6-

6-

PN=100

UN=138

cosN=0.9fN=50

5

1

3

6

TS854-210-402

6-7

1

6-

X=0.8

；

8

X=1.0

；

X=0.7

；

1=1

N

11

；

；

x

x

2

3

1

4

6-9

6-10

6-

6-12

1

2

3

11

4

6-13

6-

:>0

°

14

6-

6-16

6-17

6-

Y

15

Xd

U

U

U

18

x；=2.13,ra

*=lN

U

PN=25000UN=10。5cos\=^0.8

7250

6-19PN=25000UN=10.5cos\^0.8

Y

6-

6-21

=2.13,ra：-0

t

20

cos\=0.8

SN=26

E

*0

UN=400

E

0

E

0

U

Eo

I

=1.0,xq=0.6

IN=37.5cos\=0.85Y

*

1.43

1.38

1.32

1.24

1.09

1.0

0.86

0.7

0.5

E0

*

3

2.4

2

1.6

1.2

1.0

0.8

0.6

0.4

If

0.85

1.0

0.65

0.8

0.15

0.2

*

IK

*

If

0.5

0.6

1.0

1.2

x

；

6-22

72500

UN=10.5

cos=0.8Y

1.33

2.09

0.55

0.52

1.21

1.51

1.27

1.76

*

E*0

If

1.0

1.0

|；=1If=0.9