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transformerhigh voltage cabinetlow voltage cabinetoutdoor complete equipment

oil-immersed power transformer

product parameters:
executive standards: iec, gb, ansi/ieee, nema
capacity: 30kva~2500kva
primary side rated voltage: 6kv~35kva
rated voltage on secondary side: 0.4kv
number of tap off gears: 5
frequency: 50/60hz
number of phases: three-phase
connection group: dyn11/yyn0, etc
impedance: 49%~6.5%

hotline: 86-570-4982909 销售热线: 86-570-4982880
description
feature
parameter
oil-immersed laminated iron core distribution transformer has the advantages of compact structure, beautiful appearance, small volume, low temperature rise noise, strong overload capacity, good electrical and mechanical performance, reliable operation, etc. energy-saving products are our company's research and application of new materials and new processes and the combination of innovation and technology introduction. through the optimization and innovative design of iron core and coil structure, the no-load loss and noise are reduced. the product adopts domestic and foreign advanced technology and equipment and is professionally developed. high-performance cold-rolled oriented silicon steel sheet is adopted for the core, and the automatic manipulator laminating machine has small shearing burr and lamination coefficient, which effectively reduces the no-load loss, no-load current and noise of the transformer. no-load loss is 5% - 10% lower than manual lamination.
low loss: comply with the energy efficiency requirements in gb20052-2020 limit values and energy efficiency grades for power transformers;
low noise: meet the requirements of low noise standard of state grid south grid;
strong short circuit resistance: the low voltage coil is made of copper foil, and the high voltage coil is formed by pressure drying with dispensing paper, with high mechanical strength;
beautiful appearance: full polishing and derusting, powder electric spraying paint can achieve the painting effect of household appliances;

rated
capacity
kva

level 1

level 2

level 3

 

short circuit
impedance
%

electrical steel strip

electrical steel strip

electrical steel strip

empty loss

w

load loss

w

empty loss
w

load loss

w

empty loss
w

load loss

w

dyn11/yzn11

yyn0

dyn11/yzn11

yyn0

dyn11/yzn11

yyn0

30

65

455

430

70

505

480

80

630

600

4.0

50

80

655

625

90

730

695

100

910

870

63

90

785

745

100

870

830

110

1090

1040

80

105

945

900

115

1050

1000

130

1310

1250

100

120

1140

1080

135

1265

1200

150

1580

1500

125

135

1360

1295

150

1510

1440

170

1890

1800

160

160

1665

1585

180

1850

1760

200

2310

2200

200

190

1970

1870

215

2185

2080

240

2730

2600

250

230

2300

2195

260

2560

2440

290

3200

3050

345

270

2760

2630

305

3065

2920

340

3830

3650

400

330

3250

3095

370

3615

3440

410

4520

4300

500

385

3900

3710

430

4330

4120

480

5410

5150

630

460

4460

510

4960

570

6200

4.5

800

560

5400

630

6000

700

7500

1000

665

7415

845

8240

830

10300

1250

780

8640

870

9600

970

12000

1600

940

10440

1050

11600

1170

14500

2000

1085

13180

1225

14640

1360

18300

5.0

2500

1280

13360

1440

14840

1600

21200


note: the data in the table is for reference only. the company reserves the right to make changes to the data and accepts special orders.

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