500kV and Above Power Transformer

Negotiable
China
No.1 Zhenxing Avenue, Shangyu District, Shaoxing City, Zhejiang Province
0575-89289448
Online Contact
Favorite
Product Introduction

Used in power plants, substations, and power transmission and distribution lines. It can be installed indoors or outdoors, and is especially suitable for occasions with tight land resources and harsh operating environments, such as urban substations, high-altitude areas, coastal areas, mining areas, and chemical plants. Used in power plants, substations, and power transmission and distribution lines. It can be installed indoors or outdoors, and is especially suitable for occasions with tight land resources and harsh operating environments, such as urban substations, high-altitude areas, coastal areas, mining areas, and chemical plants.

500kV and above ultra-high voltage and extra-high voltage power transformers, as the core equipment of modern large-capacity, long-distance, and high-efficiency power transmission and transformation systems, have always been the focus of our company's research and development. In the field of transformers with voltage levels of 500kV and above, our company has formed a systematic research system and achieved multiple results in high short-circuit resistance design, oil flow electrostatic mechanism analysis, rated capacity leakage flux calculation under high electric field environment, comparison of the impact of various coil structures on impulse performance, and the development and application of special calculation software for ultra-high voltage transformers. In addition, three-dimensional dynamic model design and three-winding simulation tests based on advanced computer software have been successfully applied to actual product design, significantly improving technical integration and product reliability. The ultra-high voltage series products produced by our company strictly follow the "three lows and one high" design and manufacturing standards, namely low loss, low noise, low partial discharge and high short-circuit resistance, fully meeting the stringent requirements of modern power systems for equipment performance. With years of accumulated experience in ultra-high voltage transformer design and manufacturing, relying on internationally leading production and testing equipment, our company ranks among the top in the national transformer industry in terms of production capacity and technical level.

500kV及以上电力变压器

Product Parameters

500 kV Oil-immersed Single-phase Three-winding No-load Tap-changing Auto-transformer (Medium Voltage Line End Tap-changing)

Rated Capacity kVA

Voltage Combination and Tap Range

Connection Group Label

Level 1

Level 2

Level 3

No-load Current %

Short-circuit Impedance %

Capacity Distribution

High Voltage kV

Medium Voltage kV

Medium Voltage Tap Range %

Low Voltage kV

No-load Loss kW

Load Loss kW

No-load Loss kW

Load Loss kW

No-load Loss kW

Load Loss kW

120000

515/√3
505/√3 525/√3

230/√3
242/√3

±2×2.5

35
36
37
38.5
63
66

Ia0i0

28

207

33

207

40

219

0.16

High-Medium 12
High-Low 34~38
Medium-Low 20~22

120/120/40

167000

33

248

39

248

48

261

0.16

167/167/40 (60)

250000

47

333

55

333

68

352

0.12

250/250/60 (80)

334000

58

428

68

428

84

451

0.08

334/334/100

400000

66

491

78

491

96

518

0.08

400/400/120

120000

28

221

33

221

40

233

0.16

High-Medium 12
High-Low 42~46
Medium-Low 28~30

120/120/40

167000

33

261

39

261

48

276

0.16

167/167/60

250000

47

356

55

356

68

375

0.12

250/250/60 (80)

334000

58

459

68

459

84

485

0.08

334/334/80 (100)

400000

66

522

78

522

96

551

0.08

400/400/120

120000

28

221

33

221

40

233

0.16

High-Medium 14~15
High-Low 42~46
Medium-Low 28~30

120/120/40

167000

33

261

39

261

48

276

0.16

167/167/60

250000

47

356

55

356

68

375

0.12

250/250/80

334000

58

459

68

459

84

485

0.08

334/334/80 (100)

400000

66

522

78

522

96

551

0.08

400/400/120

 

500 kV Oil-immersed Single-phase Three-winding On-load Tap-changing Auto-transformer (Medium Voltage Line End Tap-changing)

Rated Capacity kVA

Voltage Combination and Tap Range

Connection Group Label

Level 1

Level 2

Level 3

No-load Current %

Short-circuit Impedance %

Capacity Distribution

High Voltage kV

Medium Voltage kV

Medium Voltage Tap Range %

Low Voltage kV

No-load Loss kW

Load Loss kW

No-load Loss kW

Load Loss kW

No-load Loss kW

Load Loss kW

120000

500/√3
525/√3 550/√3

230/√3

±4×1.25
±6×1.25
±8×1.25

35
36
37
38.5
63
66

Ia0i0

28

207

33

207

40

219

0.16

High-Medium 12
High-Low 34~38
Medium-Low 20~22

120/120/40

167000

33

248

39

248

48

261

0.16

167/167/40 (60)

250000

47

333

55

333

68

352

0.12

250/250/40(80)

334000

58

428

68

428

84

451

0.08

334/334/100

400000

66

491

78

491

96

518

0.08

400/400/120

120000

28

221

33

221

40

233

0.16

High-Medium 12
High-Low 42~46
Medium-Low 28~30

120/120/40

167000

33

261

39

261

48

276

0.16

167/167/60

250000

47

356

55

356

68

375

0.12

250/250/60 (80)

334000

58

459

68

459

84

485

0.08

334/334/80 (100)

400000

66

522

78

522

96

551

0.08

400/400/120

120000

28

221

33

221

40

233

0.16

High-Medium 14~15
High-Low 42~46
Medium-Low 28~30

120/120/40

167000

33

261

39

261

48

276

0.16

167/167/60

250000

47

356

55

356

68

375

0.12

250/250/80

334000

58

459

68

459

84

485

0.08

334/334/80 (100)

400000

66

522

78

522

96

551

0.08

400/400/120

 

500 kV Oil-immersed Single-phase Double-winding No-load Tap-changing Power Transformer

Rated Capacity kVA

Voltage Combination

Connection Group Label

Level 1

Level 2

Level 3

No-load Current %

Short-circuit Impedance %

High Voltage kV

Low Voltage kV

No-load Loss kW

Load Loss kW

No-load Loss kW

Load Loss kW

No-load Loss kW

Load Loss kW

100000

500/√3 525/√3 535/√3 550/√3

13.8, 15.75

Ii0

34

203

40

203

49

214

0.16

14

120000

15.75, 18, 20

39

234

46

234

56

247

0.16

200000

15.75, 18, 20, 24

63

342

74

342

91

361

0.12

223000

18

68

371

81

371

99

391

0.12

240000

18, 20, 24

72

392

85

392

105

413

0.12

260000

18, 20

77

414

91

414

112

437

0.12

380000

24, 27

102

549

121

549

149

580

0.12

16 or 18

400000

106

570

125

570

154

601

0.12

410000

108

581

128

581

158

613

0.12

484000

123

657

145

657

178

694

0.12