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Oil Immersed Distribution Transformer 1

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Product Description

Rockwill three phase oil immersed electrical transformer rated voltage during 6-35kV. Oil immersed transformer is most used in power plant, power grid transmission and distribution station, industry & commerce electrical substation as the electrical equipment of power transmission,

1. Rated voltage: 6.3kV,10kV,11kV,13.2kV,13.8kV,15kV, 20KV, 22KV, 33KV,35KV

2. Rated power: 5kva~25000kva

3, Two windings or three windings

4, On-load or no-load voltage tapping changer

5. Frequency:50HZ /60HZ

6. Vector group: Dyn11, Yyn0, Ynd11, or others

7. Cooling: ONAN/ ONAF/ OFAF

8. Tap changer:3 levels; 5 levels; 7 levels; 13 levels; 17 levels

Service condition

1. Suitable for indoor or outdoor application

2. Air temperature: Maximum temperature: +40℃; Minimum temperature:-30℃

 a. Humidity: Monthly average humidity 95%; Daily average humidity 90% .

 b. Altitude above sea level: Maximum installation altitude: 2000m.

3. Max wind speed:35M/s

 a. Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.

 b. No frequent violent shake




kVA

Voltage

VECTOR GROUP


LOSSES

No-load Current

Weight(kg)

 

Overall dimension mm

 

H.V. kV

L.V V

No-load loss

Load loss

 

Oil weight

Total weight

L

W

H

20

6
6.3
10
10.5
11
13.2


















380
400
415
433


















Yyn0
Dyn11
Yzn11


















90

530

2.3

55

230

720

440

855

30

100

600

2.1

75

305

750

500

990

50

130

870

2.0

80

405

800

480

1030

63

150

1040

1.9

95

455

830

615

1060

80

180

1250

1.9

105

510

840

580

1115

100

200

1500

1.8

120

530

890

645

1145

125

240

1800

1.7

130

670

910

600

1185

160

280

2200

1.6

140

810

910

700

1280

200

340

2600

1.5

160

890

1000

760

1240

250

400

3050

1.4

175

1020

1285

730

1290

315

480

3650

1.4

185

1170

1280

740

1385

400

570

4300

1.3

215

1410

1310

750

1432

500

680

5100

1.2

260

1645

1365

765

1510

630

810

6200

1.1

310

2070

1485

815

1615

800

980

7500

1.0

370

2445

1640

930

1590

1000

1150

10300

1.0

425

2800

1860

1120

1630

1250

1360

12000

0.9

480

3320

1860

1120

1830

1600

1640

14500

0.8

550

4175

1975

1175

1900



kVA

Voltage

VECTOR GROUP


LOSSES

No-load Current

Weight(kg)

Overall dimension mm

 

H.V. kV

L.V V

No-load loss

Load loss

 

Oil weight

Total weight

L

W

H

20

20
22


















380
400
415
433


















Yyn0
Dyn11
Yzn11


















90

530

2.3

75

230

880

610

855

30

100

660

2.1

100

305

900

610

990

50

130

960

2.0

185

515

920

610

1150

63

150

1145

1.9

195

550

920

630

1180

80

180

1370

1.9

200

600

930

650

1200

100

200

1650

1.8

210

695

950

680

1250

125

240

1980

1.7

235

810

960

780

1270

160

280

2420

1.6

255

950

1160

710

1330

200

340

2860

1.5

280

1065

1190

730

1340

250

400

3350

1.4

300

1200

1280

820

1360

315

480

4010

1.4

320

1360

1380

910

1390

400

570

4730

1.3

370

1580

1430

950

1470

500

680

5660

1.2

400

1790

1520

1020

1510

630

810

6820

1.1

460

2100

1680

1150

1530

800

980

8250

1.0

495

2420

1810

1280

1580

1000

1150

11330

1.0

590

3080

1840

1290

1690

1250

1360

13220

0.9

630

3460

1850

1300

1730

1600

1640

15950

0.8

710

4015

1920

1350

1790



kVA

Voltage

VECTOR GROUP


LOSSES

No-load Current

Weight(kg)

Overall dimension mm

 

H.V. kV

L.V V

No-load loss

Load loss

 

Oil weight

Total weight

L

W

H

20

30
30.8
33
35
38.5










380
400
415
433










Yyn0
Dyn11
Yzn11










90

800

2.3

185

540

880

900

1200

30

100

1000

2.1

190

550

900

900

1200

50

210

1270

2.0

205

590

1000

950

1450

63

230

1500

1.9

210

620

1020

950

1500

80

250

1750

1.9

225

660

1050

970

1550

100

290

2120

1.8

240

790

1080

1000

1600

125

340

2500

1.7

270

950

1100

1030

1630

160

360

2970

1.6

285

1020

1130

1060

1630

200

430

3500

1.5

325

1170

1190

1060

1670

250

510

4160

1.4

340

 

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