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oil-immersed power transformer

product parameters:
executive standards: iec, gb, ansi/ieee, nema
capacity: 6300kva~180000 kva
rated voltage on the primary side: 110kv~121kva
secondary side rated voltage: 6.3kv~38.5kva
number of tap off gears: 5-17
frequency: 50/60hz
number of phases: three-phase
connection group: yd11/ynd11, etc
impedance: 10%~14%

hotline: 86-570-4982909 销售热线: 86-570-4982880
description
feature
parameter
the iron core of 110kv oil-immersed power transformer is made of high quality oriented silicon steel sheets by multi-stage step lamination, and the surface is coated with curing paint. low loss, low noise, etc. the coil adopts the internal and external bracing structure, and the high-strength hard paper tube structure is used between the coil and the iron core, so as to effectively ensure the short circuit impact resistance. the fuel tank adopts the one-time forming and bending corrugated structure to increase the mechanical strength and make the appearance beautiful and generous. all-round positioning structure is adopted between the transformer body and the oil tank to ensure transportation and operation stability.
low loss: meet the energy efficiency requirements in the standard gb20052-2020 "energy efficiency limits and levels for power transformers";
low noise: the self cooling noise level will reach below 60db;
low partial discharge: the partial discharge volume should be controlled below 100pc;
strong short-circuit resistance: the coil is internally supported by a high-quality insulation skeleton, and the side wall of the fuel tank is formed by laser cutting in one go;
beautiful appearance: full polishing and rust removal, powder electric spraying paint can achieve the spraying effect of household appliances;
no leakage: all sealing flanges adopt groove structure, the oil drain valve adopts copper valve, and the radiator adopts vacuum butterfly valve to ensure sealing performance.

 

rated capacity

kva

level 1

level 2

level 3

 

short circuit
impedance

%

empty loss

w

load loss

w

empty loss

w

load loss

w

empty loss

w

load loss

w

6300

4.1

32

4.8

38

5.9

33

 10.5

8000

4.9

38

5.8

38

7.1

40

10000

5.8

45

6.8

45

8.4

48

12500

6.8

53

8.1

53

9.9

56

16000

8.3

65.7

9.8

65.7

12.0

69

20000

9.7

79

11.4

79

14.1

84

25000

11.4

94

13.5

94

16.6

99

31500

13.5

111

16.0

111

19.7

117

40000

16.2

133

19.1

133

23.5

141

50000

19.4

158

22.9

158

28.2

166

63000

22.9

187

27.0

187

33.3

198

75000

26.0

212

30.7

212

37.8

224

12~14

90000

29.9

245

35.4

245

43.5

258

120000

37.3

303

44.4

303

54.2

320

150000

44.1

359

52.1

359

64.1

379

180000

49.5

411

58.5

411

72.0

434


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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