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S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer
S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer
S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer
S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer
S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer
S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer

S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer

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S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer

S11-M 10-20KV Non-excitation Voltage Control Duplex-winding Oil-cooled Distribution Transfermer


1. Scope of application

S11-M-30 ~ 2500 / 20-10 type fully-sealed oil-immersed transformer is suitable for AC 50Hz, rated working voltage 10KV, 20KV and below power systems, as oil, metallurgy, chemical industry, textile, light industry and other enterprises and Distribution transformer in dusty places.


2. Model meaning

S11-M-() / 10-20

S: three-phase

11: Design serial number

M: fully sealed

(): Rated capacity (kva)

10-20: High voltage side voltage level (KV)


3. Structural features

3.1 Iron core

The core is made of cold-rolled silicon steel sheet with high magnetic permeability grain orientation. The iron core is a core type iron core, a full oblique seam stacked iron core, and its iron core column is a circular cross section with multiple steps.

3.2 Winding

The winding is made of corrugated oil channel, non-impregnated with lacquering, and the winding is concentric. The windings are all concentric coils: the high-voltage winding has taps corresponding to the requirements of the tapping voltage and leads to the tap changer. The switch is installed on the cover and needs to be cut off After the power supply can realize 10KV and 20KV voltage transfer, and change the tap voltage.

3.3 Security protection device

30-2500KVA transformer is equipped with pressure relief valve

According to user needs, gas relays with alarm and trip terminals can be installed

3.4 Oil temperature measuring device

The transformers are equipped with a glass thermometer tube seat, the tube seat is located on the top of the oil tank, and extends into the inner 120 ± 10MM

1000-2500KVA transformer is equipped with outdoor type thermometer

3.5 Transformer tank

The transformer oil tank is composed of corrugated walls, the surface is sprayed with dust, and the paint film is firm. The corrugated fins not only have a cooling function, but also have a "breathing" function. The elasticity of the corrugated fins can compensate for the change in transformer oil volume caused by temperature rise and fall. Therefore, the fully sealed transformer has no oil storage cabinet, which reduces the overall height of the transformer.

Transformer adopts vacuum oil injection process during packaging, which completely removes the moisture in the transformer, and the transformer oil is not in contact with air. Effectively prevent the possibility of oxygen and moisture intruding into the transformer, which may cause the deterioration of the transformer oil insulation performance and the aging of the transformer oil, so there is no need to conduct regular oil sample tests.


4. Working conditions

Installation height: the altitude does not exceed 1000M

Ambient temperature: -40 degrees Celsius ~ 40 degrees Celsius


5.Main technical parameters

Rated Capacity(kva)

Voltage combination

Connection group label

No-Load loss(KW)

Load loss(KW)

No-Load loss current(%)

Short-circuil impedance(%)

Weight(KG)

HV(KV)

High voltage tapping range

LV(KV)

Oil weight

Total weight

30

20/10

±5*2.5%

±2*2.5%

0.4

Dyn11

0.09

0.66

2.1

5.5

260

640

50

0.13

0.96

2.0

280

720

63

0.15

1.145

1.9

290

760

80

0.18

1.37

1.8

310

830

100

0.2

1.65

1.6

330

920

125

0.24

1.98

1.5

340

990

160

0.29

2.42

1.4

360

1090

200

0.33

2.86

1.3

390

1230

250

0.4

3.35

1.2

430

1380

315

0.48

4.01

1.1

470

1610

400

0.57

4.73

1.0

500

1740

500

0.68

5.66

1.0

540

1960

630

0.81

6.82

0.9

6.0

660

2500

800

0.98

8.25

0.8

740

2900

1000

1.15

11.33

0.7

820

3310

1250

1.35

13.2

0.7

890

3780

1600

1.63

15.95

0.6

1000

4500

2000

1.95

19.14

0.6

1060

5180

2500

2.34

22.22

0.5

1130

5850


6. Shape and installation dimensions

Rated Capacity(KVA)

Shape and installation dimensions(MM)

L

W

H

C1

C2

30

980

870

1230

550

550

50

1010

900

1280

550

550

WENZHOU FATO MECHANICAL ELECTRICAL IMPORT & EXPORT CO.,LTD

Location:China
Business Type:Manufacturer
Main Products:Oil immersed power transformer,Small breaker ( low-voltage apparatus),AC breaker


FATO MECHANICAL AND ELECTRICAL CO,.LTD is being acknowledged as on of the most respected nationwide manufacturers and exporters of low voltage electrical apparatus in P.R of China. The group,comprising more than 60 factories,owns a production area of 80000m and employs more than 1200 staff.during the past 28years,we invested abundant resources in both research and development and employee training programs.The group was ranked in the front of 100tops fo national private enterprises and 100 topsenterprises of Chinese mechanical industry."FATO"is named as a famous trademark in domestic and overseas markets.our compamyhas took the lead in applying ISO9001 quality management system,ISO14001 Environmental management system and OHSAS18000 Occupational Health and safety management system in same trade.many products are certified under international certificate,such as CB,CE,BX,VDE,UL,TUV.More+

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