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35kV power transformer

The 35kV series oil-immersed power transformers are relatively advanced in design and have been greatly improved and improved in materials, structures and processes. The high and low pressure clamps are tensioned by steel straps or upper bea…
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product description

Model meaning


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Features


The 35kV series oil-immersed power transformers are relatively advanced in design and have 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. Strong anti-short circuit capability, beautiful appearance, reliable operation, low loss and low noise, reaching the advanced level of similar foreign products. The SZ11-8000/35 transformer prototype produced by our company passes the sudden short-circuit test conducted by the National Transformer Testing Center at one time. The high and low-voltage coils are provided with longitudinal oil passages to facilitate heat dissipation, which can greatly reduce the temperature difference between copper oil and the hottest temperature inside the coil. Rise.


product description


The 35kV series oil-immersed power transformers are relatively advanced in design and have 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. Strong anti-short circuit capability, beautiful appearance, reliable operation, low loss and low noise, reaching the advanced level of similar foreign products. The SZ11-8000/35 transformer prototype produced by our company passes the sudden short-circuit test conducted by the National Transformer Testing Center at one time. The high and low-voltage coils are provided with longitudinal oil passages to facilitate heat dissipation, which can greatly reduce the temperature difference between copper oil and the hottest temperature inside the coil. Rise.


产品参数


630KVA~31500KVA three-phase double winding non-excitation voltage regulating power transformer

model

Rated Capacity(KVA

Junction group label

Voltage combination(KV

No Load loss(W

Load loss(W120℃(F

No-load current(%

Short circuit resistance(%

high pressure

Tap range

Low pressure

S11-630

630

Yd11

35

±5%或±2×2.5%

3.15

6.3

10.5

830

7860

0.65

6.5

S11-800

800

980

9400

0.65

S11-1000

1000

1150

11500

0.65

S11-1250

1250

1400

13900

0.55

S11-1600

1600

1690

16600

0.45

S11-2000

2000

2170

18300

0.45

S11-2500

2500

2560

19600

0.45

S11-3150

3150

35~38.5

±5%或±2×2.5%

3.15

6.3

10.5

3040

23000

0.45

7.0

S11-4000

4000

3610

27300

0.45

S11-5000

5000

4320

31300

0.45

S11-6300

6300

5240

35000

0.45

8.0

S11-8000

8000

YNd11

35~38.5

±5%或±2×2.5%

3.15

3.3

6.3

6.6

10.5

7200

38400

0.35

S11-10000

10000

8700

45300

0.35

S11-12500

12500

10000

53800

0.30

S11-16000

16000

12100

65800

0.30

S11-20000

20000

14400

79500

0.30

S11-25000

25000

17000

94000

0.25

10.0

S11-31500

31500

20200

112000

0.25

2000KVA~20000KVA三相双绕组有载调压电力变压器

model

Rated CapacityKVA

Junction group label

Voltage combinationKV

No-load loss(W

Load lossW

No-load current%

Short circuit resistance%

high pressure

Tap range

Low pressure

SZ11-2000

2000

Yd11

35

±3×2.5%

6.3

10.5

2300

19240

0.80

6.5

SZ11-2500

2500

2720

20640

0.80

SZ11-3150

3150

35~38.5

±3×2.5%

6.3

10.5

3230

24710

0.72

7.0

SZ11-4000

4000

3870

29160

0.72

SZ11-5000

5000

4640

34200

0.68

SZ11-6300

6300

5630

36800

0.68

8.0

SZ11-8000

8000

YNd11

35~38.5

±3×2.5%

6.3

6.6

10.5

7870

40600

0.60

SZ11-10000

10000

9280

48100

0.60

SZ11-12500

12500

10940

56900

0.56

SZ11-16000

16000

13100

70300

0.54

SZ11-20000

20000

15500

82800

0.54



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