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Dry-type 3-Phase Power Transformers Dry-type Current Transformers

PRODUCT INTRODUCTION

The power transformers are suitable installation for switchgears, and for power plants or substations self-consumption transformers or the places where small space, fire-control, moisture-proof, is needed.

PRODUCT DETAILS

Select of the defend shell: The products can select the beautiful and durable metal shells for more safe. The defend class can select IP20 and IP23 use for indoor. The IP20 shell can prevent the solid things that the diameters are more tham 12mm come into, they are the barriers for the products. IP23 shell can also defend that the drips which are less than 60°with the vertical line come into.

The power transformers are suitable installation for switchgears, and for power plants or substations self-consumption transformers or the places where small space, fire-control, moisture-proof, is needed.  

Select of the equipment for forced-air cooling: The cooling method of the product in a general way is natural air cooling, if there is a requirement of the client, we can collocate the system of forced-air cooling for the products of any rated power.

Select of the equipment for temperature display and control: The product can be collocated the equipment for temperature display and control. This equipment can show the temperature of the windings clearly during the product service, and there are many functions such as give an alarm, shut off the power when the trmperature exceed the requirement, turn on and turn off the forced-air cooling, it can be more safe for the product.

Select of the system for microcomputer measure, inspect and control: If the product collocate the microcomputer output connector when it collocate the equipment for temperature display and control, it can select the system for microcomputer measure, inspect and control, to actualize the roboticized manage of power transformer. The functions of this system are as follow:

a) Temperature display and control (give an alarm, shut off the power when the trmperature exceed the requirement, turn on and turn off the forced-air cooling);

b) Electric power measure (can be calaulated the electric power automatically);

c) Inspect the service conditions (current, voltage, temperature, output power, load balance rate, power factor and so on);

d) Deposited the values (can be depositeded 3 years value of the service conditions automatically);

e) Show on line in the microcomputer screen (Show on line of the service conditions);

f) Manage software of the intelligential power transformer ( can be communicated well with person);

g) Printout automatically.

Select of the defend shell: The products can select the beautiful and durable metal shells for more safe. The defend class can select IP20 and IP23 use for indoor. The IP20 shell can prevent the solid things that the diameters are more tham 12mm come into, they are the barriers for the products. IP23 shell can also defend that the drips which are less than 60°with the vertical line come into.

Note: IP23 shell can low down the ability of dissipate heat of the product 5-10%. The structure of the drawing 3 is suit for the indoor product, for the shell of outdoor product must design again.

We can design each kind of shell for the products can be suit for special environment.

 

Technical parameters please see table 1~2

Table 1

Voltage Class(kV)

Rated Short-time Power Frequency Withstand Voltage (r m s) (kV)

Rated Lightning Impulse Withstand Voltage (peak) (kV)

6

20 (or 25)

60

10

28 (35)

75

35

70

170

 

Table 2

Type

Rated Power

(kVA)

Voltage Combination

Connection Symbol

*

No-load Loss

(W)

Load Loss

(W)

(120)

No-load Current

(%)

Impedance

(%)

HV

(kV)

HV Tapping Range

(%)

LV

(kV)

SC10-30/10

30

6

6.3

10

10.5

11

±5

or

±2×2.5

0.4

Yyn0

or

Dyn11

200

710

2.6

4

SC10-50/10

50

280

1000

2.3

SC10-80/10

80

370

1380

2.1

SC10-100/10

100

400

1580

2.0

SC10-125/10

125

480

1850

1.8

SC10-160/10

160

550

2125

1.8

SC10-200/10

200

550

2530

1.1

SC10-250/10

250

630

2760

1.1

SCB10-315/10

315

770

3470

0.9

SCB10-400/10

400

850

3990

0.9

SCB10-500/10

500

1020

4880

0.9

SCB10-630/10

630

1180

5880

0.8

SCB10-630/10

630

1130

5960

0.8

6

SCB10-800/10

800

1330

6960

0.8

SCB10-1000/10

1000

1550

8130

0.8

SCB10-1250/10

1250

1830

9690

0.8

SCB10-1600/10

1600

2140

11730

0.8

SCB10-2000/10

2000

2720

14450

0.6

SCB10-2500/10

2500

3200

17170

0.6

SC10-30/35

30

35

390

1150

2.5

6

SC10-50/35

50

450

1420

2.5

SC10-80/35

80

560

1830

2.1

SC10-100/35

100

630

2090

2.1

SC10-125/35

125

700

2380

1.8

SC10-160/35

160

790

2810

1.6

SC10-200/35

200

880

3320

1.6

SC10-250/35

250

990

3800

1.4

SC10-315/35

315

1170

4510

1.4

SC10-400/35

400

1370

5410

1.2

SC10-500/35

500

1620

6650

1.2

* Clients can appoint a connection symbol different from the above table too, and declare it while ordering.

Note: The highest temperature rise of the products’ windings is 100K, their insulation class is F class, and their cooling mode is AN.

 

Dimensions of the power transformers

For the outline and the installation dimensions please see drawing 1~2 and table 3~4.

Table 3  10kV Power Transformers Installation Dimensions

Tpye

the Installation Dimensions

(mm)

H

H1

L

L1

P

P1

E1

E2

K

M

N-D

SC10-30/10

705

749

550

600

550

147

237

259

4-Φ14

SC10-50/10

770

791

550

600

550

153

243

273

4-Φ14

SC10-80/10

815

863

550

600

550

163

253

297

4-Φ14

SC10-100/10

842

892

550

600

550

173

263

306

4-Φ14

SC10-125/10

850

935

550

600

550

176

266

321

4-Φ18

SC10-160/10

930

971

550

600

550

185

270

333

4-Φ18

SC10-200/10

956

998

660

710

660

270

281

342

4-Φ18

SC10-250/10

992

1067

660

710

660

276

287

365

4-Φ18

SC10-315/10

1074

1094

660

710

660

280

291

374

4-Φ18

SCB10-400/10

1332

1327

1280

660

700

660

270

313

430

138

4-Φ13

SCB10-500/10

1367

1350

1290

660

700

660

274

320

435

145

4-Φ13

SCB10-630/10(Uk=4%)

1537

1517

1310

660

820

660

273

323

440

163

8-Φ13

SCB10-630/10(Uk=6%)

1342

1322

1420

820

980

820

273

323

475

162

8-Φ13

SCB10-800/10

1407

1382

1480

820

980

820

283

330

495

166

8-Φ13

SCB10-1000/10

1477

1467

1550

820

980

820

292

368

520

200

8-Φ13

SCB10-1250/10

1612

1587

1590

820

980

820

295

378

535

200

8-Φ17

SCB10-1600/10

1697

1707

1690

1070

1230

1070

344

387

570

210

8-Φ17

SCB10-2000/10

1757

1807

1850

1070

1230

1070

358

402

615

210

8-Φ17

SCB10-2500/10

1887

1937

1910

1070

1230

1070

366

408

640

210

8-Φ17

Drawing 1  10kV 30-2500kVA dry-type power transformers outline and installation dimensions

 

Table 4  35kV Power Transformers Installation Dimensions

Tpye

the Installation Dimensions

(mm)

H

H1

L

L1

P

P1

E1

E2

K

M

N-D

SC10-30/35

1180

792

1120

840

280

330

175

475

390

4-Φ25

SC10-50/35

1120

812

1120

840

280

330

175

475

390

4-Φ25

SC10-80/35

1300

860

1120

840

280

330

175

475

390

4-Φ25

SC10-100/35

1316

912

1190

840

310

350

196

418

415

4-Φ25

SC10-125/35

1382

939

1190

840

310

350

196

418

415

4-Φ25

SC10-160/35

1330

895

1270

660

575

600

210

425

440

4-Φ11

SC10-200/35

1395

950

1270

660

575

600

210

425

440

4-Φ11

SC10-250/35

1425

945

1365

660

575

600

220

473

475

4-Φ11

SC10-315/35

1450

945

1365

660

575

600

220

473

475

4-Φ11

SC10-400/35

1490

1005

1415

820

820

920

295

480

490

8-Φ13

SC10-500/35

1555

1015

1495

820

820

920

305

495

515

8-Φ13

 

Drawing 2  35kV 30-500kVA dry-type power transformers outline and installation dimensions

Note: The outline and the installation dimensions of table 3 and table 4 are reference for the clients, the actual dimensions are according to the outline of the products.

 

 

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If you have any questions about our product, please feel free to contact us. We will answer you as soon as possible.

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