500kV Oil-Immersed Power Transformer
Product Characteristics
The power transformers designed and manufactured by the company have a complete range of products and stable performance. All technical performance indicators are in the forefront of the transformer industry in China. The products have the advantages of reasonable structure, reliable insulation, low loss, low partial discharge, low temperature rise, low noise, strong anti-short circuit ability, strong anti-lightning impulse ability, no leakage, etc. The main technical performance indicators have reached the international advanced level. Products have been exported to more than 20 countries and regions such as the United States, Canada, Russia, and Indonesia.
Product Parameters

1、 500kV Class 100MVA ~ 484 MVA Single-PhaseDouble-Winding Non-Excitation Voltage Regulating Power Transformer


Rated capacity (MVA)

Voltage combination

Vector group

No-load loss

(kW)

Load loss

(kW)

No-load current

(%)

Short circuit impedance

(%)

High Voltage (kV)

Low voltage(kV)

100

500/√3

525/√3

535/√3

550/√3

13.8; 15.75

Ii0

61.0

225

0.20

14

120

15.75; 18.;20

70.0

260

0.20

200

15.75; 18; 20; 24

114

380

0.15

223

18

124

412

0.15

240

18; 20; 24

131

435

0.15

260

18; 20

140

460

0.15

380

24; 27

186

610

0.15

16 or 18

400

193

633

0.15

410

197

645

0.15

484

223

730

0.15

Note: The technical parameters and dimensions of special specifications or non-standard products are determined through negotiation between the supplier and the buyer.

2、 500kV Class 120MVA ~ 1170MVA Three-Phase Double-Winding Non-Excitation Voltage Regulating Power Transformer


Rated Capacity (MVA)

Voltage combination

Vector group

No-load loss(kW)

Load loss(kW)

No-load current(%)

Short circuit impedance (%)

High voltage (kV)

Low voltage (kV)

120

500

525

550

13.8; 15.75

YNd11

75.0

395

0.25

14

160

90.0

490

0.20

240

125

665

0.20

300

13.8; 15.75; 18

145

785

0.20

370

15.75; 18; 20

170

900

0.15

400

18; 20; 24

175

950

0.15

420

15.75; 18; 20

185

955

0.15

14 or 16

480

15.75; 18; 20

200

1060

0.15

600

15.75; 18; 20; 24

260

1335

0.15

720

18; 20; 24

305

1535

0.10

750

20; 22

315

1580

0.10

16 or 18

780

22

320

1630

0.10

860

345

1750

0.10

1140

27

430

2165

0.10

1170

440

2200

0.10

Note: The technical parameters and dimensions of special specifications or non-standard products are determined through negotiation between the supplier and the buyer.

3、500kV Class 120MVA ~ 400MVA Single-Phase Three-Winding On-Load Voltage Regulating Auto Power Transformer and Non-Excitation Voltage Regulating Auto Power Transformers (Medium Voltage Line End Voltage Regulation)


Rated Capacity (MVA)

Voltage group andtapping range IS

Vector group

No-load loss(kW)

Load loss(kW)

No-load current(%)

Short circuit impedance (%)

Capacity distribution

(MVA)

High voltage (kV)

Mediumvoltage (kV)

Lowvoltage (kV)

120

500/√3

525/√3

550/√3

230 √3

242 √3

35

36

37

38.5

63

66

Ia0i0

50.0

230

0.20

High-Medium

12

High-Low

34~38

Medium-Low

20~22

120/120/40

167

60.0

285

0.20

167/167/40

167/167/60

250

85.0

380

0.15

250/250/40

250/250/80

334

110

490

0.10

334/334/100

400

150

560

0.10

400/400/120

120

50.0

250

0.20

High-Medium

12

High-Low

42~46

Medium-Low

28~30

120/120/40

167

60.0

300

0.20

167/167/60

250

85.0

405

0.15

250/250/60

250/250/80

334

110

530

0.10

334/334/80

334/334/100

400

130

610

0.10

400/400/120


Note: The technical parameters and dimensions of special specifications or non-standard products are determined through negotiation between the supplier and the buyer.