STC ALTERNATORS

Product description:
This series generators are to be used in town, countryside, worksites, mountain and pasture as electric power source for lighting purpose, it can also he used as reserved power source for emergent case using.
The generators are of dripproof with rotary field type and adopt harmonic excitation system, easy operation and maintenance.
The generators are three-phase, four-wire type, adopting star connection with neutral point. The rated line voltage is 400V, phase voltage 230V, frequency 50Hz. power factor 0.8(lag). We can provide 60Hz and the other voltage's generator according to the customer's request.
They can be coupled with a prime mover directly or through v-belt making right or reverse continuous rotation at the rated speed. When the rotation speed of prime mover changs 3% or so and load varies in the range of 0~100% cos j 0.8~1.0, the generators offer constant voltage, when sudden change (increase or decrease) of load, the generator will soon return to their normal working state, at the same time, without any starting device the generator can directly start an unloaded squirrel cage induction motor.


Operating Condiyions: 
Under the following environment, The generator could be continuous and rated running:
Above sea level: Not exceed 1000m
Cooling air temperature: 258~313K(-15 oC ~ 40 oC)
Relative air damping: not exceed 90%

STC THREE PHASE GENERATOR

Model

Output (kW)

Voltage(V)

Current (A)

Power factor
(cos)

Speed
(r.p.m)

Pole number

KVA

kW

STC-3

3.8

3

400

5.4

0.8

1500

4

STC-5

6.3

5

400

9

0.8

1500

4

STC-7.5

9.4

7.5

400

13.5

0.8

1500

4

STC-8

10

8

400

14.4

0.8

1500

4

STC-10

12.5

10

400

18.1

0.8

1500

4

STC-12

15

12

400

21.7

0.8

1500

4

STC-15

18.8

15

400

27.1

0.8

1500

4

STC-20

25

20

400

36.1

0.8

1500

4

STC-24

30

24

400

43.3

0.8

1500

4

STC-30

37.5

30

400

54.1

0.8

1500

4

STC-40

50

40

400

72.2

0.8

1500

4

STC-50

62.5

50

400

90.2

0.8

1500

4

Overall & Installation Dimensions

Model

Output

Installing dimensions

External dimensions

KVA

KW

A

B

C

D

E

F

G

H

K

a

b

h1

h

L1

L2

g

STC-3

3.8

3

216

178

89

Ø32

80

10

26.8

132

13

34

250

18

400

480

270

34.8

STC-5

6.3

5

254

254

108

Ø38

80

12

32.8

160

16

50

310

25

450

580

325

40.8

STC-7.5

9.4

7.5

254

254

108

Ø38

80

12

32.8

160

16

50

310

25

450

580

325

40.8

STC-10

12.5

10

279

203

121

Ø42

110

12

36.8

180

16

60

339

25

490

610

365

44.8

STC-12

15

12

279

203

121

Ø42

110

12

36.8

180

16

60

339

25

490

610

365

44.8

STC-15

18.8

15

318

228

133

Ø48

110

14

42.2

200

20

60

378

30

500

660

400

51.2

STC-20

25

20

318

228

133

Ø48

110

14

42.2

200

20

60

378

30

500

660

400

51.2

STC-24

30

24

318

228

133

Ø48

110

14

42.2

200

20

60

378

30

500

660

400

51.2

STC-30

37.5

30

356

286

149

Ø60

140

18

53

225

20

65

421

32

650

770

452

64

STC-40

50

40

356

286

149

Ø60

140

18

53

225

20

65

421

32

650

770

452

64

STC-50

62.5

50

356

311

149

Ø60

140

18

53

225

20

65

421

32

650

810

452

64


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