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220kV Oil Immersed Power Transformers
220kV Oil Immersed Power Transformers
 
Product Description:
Product Description 220KV oil immersed on-load regulation power transformer has a seires of big changes in material, technical and construction with the characters of small size, light weight, high efficiency with low loss and low noise, stable opable operation which cutting down large number of loss from energy GRID and minising operation charge, improving the industrial economic benefit. It is used in power plant, transformer substation, big-sized and chemistry factory and etc. The product is according to National and IEC standards. Installation: Outdoor Ambient temperature: -30C-+40C Altitude: 1000m Relative Humidity: 90% (25C)
 
Main Technical Data
 
 

220KV POWER TRANFSORMER 

Rated capacity(kVA)

Voltage combination and Tap Range

Vector group

S10 series

S11 series

No-load current

Short-circuit Impedance%

HV

LV

No-load loss

Load loss

No-load loss

Load loss

31500

220+/-2*2.5%220+/-2*2.5%

6.3

Ynd11

31.5

128.25

25.2

121.84

0.7

12~14

40000

6.6

36.9

149.15

29.52

141.69

0.7

63000

10.5

44.1

179.55

35.28

170.57

0.65

75000

11

52.2

209

41.76

198.55

0.65

90000

10.5

60.3

237

48.24

225.63

0.6

120000

11

69.3

273

55.44

259.92

0.55

150000

13.8

84.6

327

67.68

311.36

0.55

160000

11

100.8

384

80.64

365.51

0.5

180000

13.8

105.3

403.75

84.24

383.56

0.46

240000

15.75

115.2

436.05

92.16

414.24

0.42

300000

18

114

538.65

115.2

511.72

0.38

360000

20

170

641.25

136.08

609.19

0.38

370000

15.75

195.3

735.3

156.24

698.54

0.38

400000

18

198.9

750.5

159.12

712.98

0.35

420000

20

210.6

795.15

168.48

755.39

0.35

 

 

 

217.8

824.6

174.24

783.37

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