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35kV Oil immersed power transformer
Release Time:2025-08-13      Number of clicks:54

Transformer

Model: 35kV Oil immersed power transformer

Application:

DC resistance test is the necessary test item for a transformer handover before delivery, it is the ideal equipment to measure DC resistance of transformer winding and high-power inductive devices. 

This series of products is relatively advanced in design, and has been greatly improved  and improved in materials, structures and processes. The high and low pressure clamps  are tensioned by steel straps or upper beams and side beams to form  a  strong  frame  structure that enhances the core clamping force and the ability to withstand transport  shocks. It has strong anti-short circuit capability, beautiful appearance selection,reliable  operation, low loss and low noise,reaching the advanced level of similar foreign   products.

Features:

Executive standard

GB  1094.1~2"General  Rules  for  Power  Transformers""The  Temperature  of  Oil-immersed Transformers" GB 1094.3"Insulation level,insulation test and external insulation air gap"

GB 1094.5"The ability of power transformers to withstand short circuits"

GB/T 6451"Technical parameters and requirements for oil-immersed power transformers" GB/T  15164 "Guidelines for Oil-immersed  Power Transformers"

GB2536 "Transformer Oil"

Specification:

S1135KV oil immersed power transformer(50kVA~1600KVA three-phase double winding non-exciation voltage regulating distribution transformer)

Rated

Capacity (kVA)

Voltage combination and tap range

Junction group

label

Load loss

(W)

Load loss

(W)

No-load

Current

(%)

Short circuit

impedance

(%)

(H.V.)

High voltage tap

range(%)

 (L.V.)

50

35  38.5

±5

±2×2.5%

0.4

Dyn11 YynO

130

1200/1140

1.30

6.5

100

185

2010/1910

1.10

6.5

125

215

2370/2260

1.10

6.5

160

225

2820/2680

1.00

6.5

200

270

3320/3160

1.00

6.5

250

320

3950/3760

0.95

6.5

315

385

4750/4530

0.95

6.5

400

465

5740/5470

0.85

6.5

500

545

6910/6580

0.85

6.5

630

665

7860

0.65

6.5

800

785

9400

0.65

6.5

1000

920

11500

0.65

6.5

1250

1120

13900

0.60

6.5

1600

1350

16600

0.60

6.5

2000

1590

19700

0.55

6.5

2500

1890

23200

0.55

6.5

Note:1.For transformers with rated capacity of 500KVA and below,the load loss value above         the dagona line in the tables applicable to the Dyn11 comection group.

2.according to user needs,can provide high voltage tapping range of±2×2.5%of the transformer.

S1135KV oil immersed power transformer(630kVA~31500KVA three-phase double winding group non-excitation voltage regulating power transformer)

 Rated

Capacity (kVA)

Voltage combination and tap range

 Junction  group label

Load loss

(W)

Load loss

(W)

No-load

current

(%)

Short circuit impedance

(%)

 (H.V.)

High voltage tap

range(%)

 (L.V.)

8000

35~38.5

±2×2.5%

6.6

1.05

11

Yd11

7200

38480

0.42

7.5

10000

8700

45320

0.42

7.5

12500

10080

53870

0.40

8.0

16000

12160

65840

0.40

8.0

20000

14400

79520

0.40

8.0

25000

17020

94050

0.32

8.0

31500

20220

112860

0.32

8.0

Note 1:The external dimensions are designed according to the specific needs of the user.

SZ1135KV  on-load  tap  change  oilimmersed  power  transformer(2000kVA-20000KVA  on-load  tap  change  power  transformer)

 Rated

Capacity (kVA)

Voltage combination and tap range

 Junction  group label

Load loss

(W)

Load loss

(W)

No-load

current

(%)

Short circuit impedance

(%)

(H.V.)

High voltage tap

range(%)

(L.V.)

2000

35

±3×2.5

6.310.5


2300

19240

0.80

6.5

2500

2720

20640

0.80

6.5

3150

35~38.5

±3×2.5

6.3 10.5

Yd11

3230

24710

0.72

7.0

4000

3870

29160

0.72

7.0

5000

4640

34200

0.68

7.0

6300

5630

36770

0.68

7.5

8000


7870

40610

0.60

7.5

10000

9280

48050

0.60

8.0

12500

35~38.5

±3×2.5

6.3 6.6 10.5 11

Ynd11

10940

56860

0.56

8.0

16000

13170

70320

0.54

8.0

20000

15570

82780

0.54

8.0

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