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S11 oil immersed transformer

The S11-M series fully sealed oil-immersed power transformer developed by the company has the advantages of low loss, low noise and high efficiency, which can achieve good energy saving effect and reduce pollution. Compared with ordinary oil…
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product description

Model meaning


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Features


1. The transformer core is made of imported high-quality cold-rolled silicon steel sheets, which greatly reduces the no-load loss and no-load current, and binds the iron core to ensure the tightness of the iron core and reduce noise.

2. The high and low voltage windings are wound with oxygen-free copper, and the low-voltage windings of 500kVA and below adopt a double-layer cylindrical structure. 630kVA and above adopt double helix or four helix structure, and high voltage winding adopts multi-layer cylindrical structure.

3. The transformer connection group adopts Dyn11 to reduce the influence of harmonics on the power grid and improve the power supply quality.

4, the transformer is a fully sealed structure, extending the service life, free of hanging core, maintenance-free.

5. The measured noise value is lower than the standard.

After the normal transmission of this series of transformers, the relevant parts and components can be installed without the inspection of the core, and the acceptance project test can be carried out.


product description


The S11-M series fully sealed oil-immersed power transformer developed by the company has the advantages of low loss, low noise and high efficiency, which can achieve good energy saving effect and reduce pollution. Compared with ordinary oil-immersed transformers, the fully sealed transformers eliminate the oil storage cabinet. The change of oil volume is automatically adjusted and compensated by the elasticity of the corrugated sheet of the corrugated oil tank. The transformer is isolated from the air to prevent and slow down the deterioration of the oil and the insulation aging. , to enhance operational reliability, maintenance-free maintenance.


Product parameters


S11 type 10kv double winding series main product performance parameters

model

Rated Capacity(KVA

Junction group label

Voltage combination(KV

No Load loss(W

Load lossW

No-load current%

Short circuit resistance(%

high pressure

Tap range

Low pressure

S11-M-30

30

Yyn0或Dyn11

6

6.3

10

10.5

11

±5%

±2×2.5%

0.4

100

630/600

1.5

4.0

S11-M-50

50

130

910/870

1.3

S11-M-63

63

150

1090/1040

1.2

S11-M-80

80

180

1310/1250

1.2

S11-M-100

100

200

1580/1500

1.1

S11-M-125

125

240

1890/1800

1.1

S11-M-160

160

280

2310/2200

1.0

S11-M-200

200

340

2730/2600

1.0

S11-M-250

250

400

3200/3050

0.9

S11-M-315

315

480

3830/3650

0.9

S11-M-400

400

570

4520/4300

0.8

S11-M-500

500

680

5410/5150

0.8

S11-M-630

630

810

6200

0.6

4.5

S11-M-800

800

980

7500

0.6

S11-M-1000

1000

1150

10300

0.6

S11-M-1250

1250

1360

12000

0.5

S11-M-1600

1600

1640

14500

0.5

S11-M-2000

2000

1940

18300

0.4

5.0

S11-M-2500

2500

2290

21200

0.4

S11 type 20KV double winding series main product performance parameters

model

Rated Capacity(KVA

Junction group label

Voltage combination(KV

No Load loss(W

Load lossW

No-load current%

Short circuit resistance(%

high pressure

Tap range

Low pressure

S11-M-30

30

Dyn11

20

±5%

0.4

90

600

1.5

5.5

S11-M-50

50

130

960

1.3

S11-M-63

63

150

1145

1.2

S11-M-80

80

180

1370

1.2

S11-M-100

100

200

1650

1.1

S11-M-125

125

±5%

±2×2.5%

240

1980

1.1

S11-M-160

160

290

2420

1.0

S11-M-200

200

330

2860

1.0

S11-M-250

250

400

3350

0.9

S11-M-315

315

480

4010

0.9

S11-M-400

400

570

4730

0.8

S11-M-500

500

660

5660

0.8

S11-M-630

630

810

6820

0.6

6.0

S11-M-800

800

960

8250

0.6

S11-M-1000

1000

1150

11330

0.6

S11-M-1250

1250

1350

13200

0.5

S11-M-1600

1600

1630

15950

0.5

Insulation level

Voltage levelKV

Maximum operating voltage KV (effective value)

额定短时工频耐压KV(有效值)/1分钟

Rated lightning impulse withstand voltage KV (peak)

Full wave

Carrier

0.4

0.46

5

75

85

10

12

35

20

23

55

125

140



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