330kV 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、 330kV Class 90000 kVA ~ 720000 kVA Three-Phase Double-Winding Non-Excitation Voltage Regulating Power Transformer


Rated Capacity(kVA)

Voltage combination

Vector group

No-loadloss(kW)

Load loss(kW)

No-load current(%)

Short circuit impedance (%)

High Voltage (kV)

Low voltage(kV)

90000

345±2×2.5%

363±2×2.5%

10.5

13.8

15.75

18

20

YNd11

68.0

274

0.44

14~15

120000

85.0

340

0.44

150000

101

402

0.41

180000

116

461

0.38

240000

145

572

0.34

360000

198

802

0.34

370000

202

818

0.30

400000

214

867

0.30

720000

332

1347

0.20


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


2、330kV Class 90000 kVA ~ 240000 kVA Three-Phase Three-Winding Non-Excitation Voltage Regulating Power Transformer


Rated Capacity (kVA)

Voltage combination

Vector group

No-load loss(kW)

Load loss(kW)

No-load current(%)

Short circuit impedance (%)

Capacity distribution (%)

High Voltage (kV)

Medium voltage (kV)

Low voltage (kV)

90000

330±2×2.5%

345±2×2.5%

121

10.5

13.8

15.75

YNyn0d11

77.0

335

0.46

High-Medium

24~26

High-Low

14 ~15

Medium-Low8~9

100/100/100

120000

96.0

415

0.46

150000

114

491

0.43

180000

130

563

0.43

240000

163

699

0.40

Note:

(1) The data listed in the table applies to boost structure products;

(2) The technical parametersNote: The technical parameters and dimensions of special specifications or non-standard products shall be determined through negotiation between the supplier and the buyer

3、330kV Class 90000kVA ~ 360000kVA Three-Phase Three-Winding Non-Excitation Voltage Regulating Auto Power Transformer (Series Winding Voltage Regulation)


Rated Capacity(kVA)

Voltage combination

Vector group

No-load loss(kW)

Load loss(kW)

No-load current(%)

Short circuit impedance (%)

Capacity distribution (%)

High Voltage (kV)

Medium voltage (kV)

Low voltage (kV)

90000

330

121

10.5

11

35

38.5

YNa0d11

45.0

263

0.36

High-Medium

10~11

High-Low

24~26

Medium-Low

12~14

100/100/30

120000

56.0

324

0.36

150000

68.0

385

0.32

180000

77.0

440

0.32

240000

96.0

547

0.28

360000

130

742

0.28


Note:

(1) The data listed in the table is applicable to the products with step-down structure.

(2) The technical parametersNote: The technical parameters and dimensions of special specifications or non-standard products shall be determined through negotiation between the supplier and the buyer

4、330kV Class 90000kVA ~ 360000kVA Three-Phase Three-Winding On-Load Voltage Regulating Auto Power Transformer (Voltage Regulation at the End of the Series Winding)


Rated Capacity (kVA)

Voltage combination

Vector group

No-load loss(kW)

Load loss(kW)

No-load current(%)

Short circuit impedance (%)

Capacity distribution

(%)

High Voltage (kV)

Medium voltage (kV)

Low voltage (kV)

90000

330

345

121

10.5

11

35

38.5

YNa0d11

47.0

261

0.40

High-Medium

10~11

High-Low

24~26

Medium-Low

12~14

100/100/30

120000

59.0

324

0.40

150000

69.0

383

0.36

180000

79.0

440

0.36

240000

99.0

547

0.32

360000

134

742

0.32

Note:

(1) The data listed in the table is applicable to the products of the step-down structure, and the products of the step-up structure are also available upon request;

(2) Transformers with various special parameters and performances can be manufactured according to user requirements.

5、330kV Class 90000kVA ~ 360000kVA Three-Phase Three-Winding On-Load Voltage Regulating Auto Power Transformer (Medium Voltage Line End Voltage Regulation)


Rated Capacity(kVA)

Voltage combination

Vector group

No-load loss(kW)

Load loss

(kW)

No-load current(%)

Short circuit impedance (%)

Capacity distribution

(%)

High voltage (kV)

Medium Voltage(kV)

Low voltage (kV)

90000

330

345

121

10.5

11

35

38.5

YNa0d11

49.0

279

0.40

High-Medium

10~11

High-Low

26~28

Medium-Low

16~17

100/100/30

120000

61.0

346

0.40

150000

72.0

410

0.36

180000

83.0

470

0.36

240000

102

584

0.32

360000

139

792

0.32


Note:

(1) The data listed in the table is applicable to the products with the step-down structure, and the products of the step-up structure are also available upon request;

(2) The technical parameters Note: The technical parameters and dimensions of special specifications or non-standard products shall be determined through negotiation between the supplier and the buyer

6、330kV Class 90000kVA ~ 360000kVA Three-Phase Three-Winding Non-Excitation Voltage Regulating Auto Power Transformer (Medium Voltage Line End Voltage Regulation)


Rated Capacity (kVA)

Voltage combination

Vector group

No-load loss(kW)

Load loss(kW)

No-load current (%)

Short circuit impedance (%)

Capacity distribution (%)

High Voltage (kV)

Medium voltage (kV)

Low voltage (kV)

90000

330

345

220

230

242

10.5

11

35

38.5

YNa0d11

23.0

293

0.32

High-Medium

10~11

100/100/30

120000

29.0

363

0.28

150000

34.0

431

0.24

180000

39.0

494

0.24

240000

49.0

613

0.20

360000

67.0

836

0.20

Note:

(1) The data listed in the table is applicable to the products with the step-down structure, and the products of the step-up structure are also available upon request;

(2) The technical parameters Note: The technical parameters and dimensions of special specifications or non-standard products shall be determined through negotiation between the supplier and the buyer