30-2500kVA/10kV Three Phase Oil Immersed Transformer​
2025-03-13 14:42  Visit:294
Price:Unfilled
Brand:S9
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Product Overview
 

 

The S9 series oil-immersed transformers, as our company's classic product, exhibit slightly lower energy efficiency compared to the upgraded S11 series (with no-load losses approximately 10% higher than the S11 series), yet they offer more economical pricing. Taking the 750 kVA transformer as an example, the S9 series costs 20%-30% less than its S11 counterpart of equivalent capacity. This series utilizes cold-rolled silicon steel sheets and high-quality oxygen-free copper wire windings, with structural reliability proven through years of market validation. Particularly suited for cost-sensitive power distribution scenarios demanding high stability, the S9 series has maintained widespread application in industrial/mining facilities and civil power supply since its initial release in the early 2000s. More commonly used in industry are 750KVA,1000 kVA oil filled transformer.

 

 

 

Type And Meaning
 

 

 

 

 

Application Scope
 

 

1. Normal use Environment: Elevation less than 1000m;Temperature Range:-25℃--+45℃

2. Especial Environment: Elevation more than 1000m;Temperature Range:-45℃--+40℃

3. Opposite air humidity: ≤90℃(+25℃)

4. Installation Site: Nothing corrodent air,noting obvious dirty mark

5. The product are used for lighting and deliver power in industry and agriculture

 

 

 

Executive Standards
 

 

GB1094.1~2-1996

GB1094.4-2005

GB1094.3, 5-2003

GB/T6451-2008

 

 

 

Product Features
 

 

1. The iron corn making method that adopts ladder type three grade connection.
2. The tank is square, and the radiator modality has ripple type, patch type, pipe type.Customer can choose freely.
3. The reactor body positioning structure to adapt to long-distance transport.
4. The oil exhibits high chemical stability. When combined with a breather (moisture absorber) and a sealing system, it effectively reduces oxidation and moisture ingress, extending the maintenance cycle to 5-10 years.
5. Configurable with a moisture-proof, dustproof, and salt spray resistant (IP55 or higher) housing.

 

 

 

Main Technical Parameters
 

 

Rated

Capacity

(kVA)

Voltage

Vector Group

No-Load

Loss

(W)

On-Load

Loss

(W)

Short

cirait-z

(%)

No-Load

Cur

(%)

Weight(kg)

Size(mm)

Distance

(mm)

V

(kV)

Chng

(%)

V

(kV)

Wain w.t

Oil w.t

Ttl w.t

L·W·H

30

6

6.3

10

10.5

11

±5%

Or

±2×2.5

0.4

Yyn0

Or

Dyn11

130

600/630

4.0

2.3

165

60

280

940×555×1000

400×400

50

170

870/910

2.0

200

90

385

1020×630×1100

400×400

63

200

1040/1090

1.9

230

100

420

1040×600×1120

400×400

80

250

1250/1310

1.9

280

115

495

1070×660×1130

400×450

100

290

1500/1580

1.8

310

130

565

1080×730×1170

400×450

125

340

1800/1890

1.7

350

150

640

1100×780×1190

450×550

160

400

2200/2310

1.6

410

165

740

1190×840×1260

550×550

200

480

2600/2730

1.5

490

170

910

1490×770×1270

550×550

250

560

3050/3200

1.4

570

190

990

1570×820×1330

550×550

315

670

3650/3830

1.4

670

230

1220

1720×960×1360

550×550

400

800

4300/4520

1.3

800

250

1430

1720×960×1400

660×660

500

960

5150/5410

1.2

940

290

1670

1800×1010×1460

660×660

630

1200

6200

4.5

1.1

1100

350

1940

2000×1140×1650

660×660

800

1400

7500

1.0

1370

385

2190

2200×1200×1700

820×820

1000

1700

10300

1.0

1520

471

2780

2230×1260×1800

820×820

1250

1950

12000

0.9

1820

520

3340

2310×1300×1900

820×820

1600

2400

14500

0.8

2150

660

3790

2390×1360×1950

820×820

2000

2520

17820

0.8

2310

833

4400

2120×1860×2250

820×820

2500

2970

20700

0.8

2730

900

4940

2150×2000×2300

820×820

 

Note:
1. Load loss in the table below the diagonal values for Dyn11 connection group of products.
2. The minimum capacity for conventional production is 30 kva transformer, and we need to consult our company for lower capacity.
3. Can provide various voltage transformer, short circuit impedance, coupling mode according to the user demand.
4. The weight and dimensions provided in the table are for reference only. For detailed specifications, please contact us.

 

 

 

FAQ
 

 

Q: How long is the delivery time?

A: Normal within 10 days. It depends on detail items and quantity.Please contact us for details.

Q: How to get product quotation?

A: You can contact us anytime through the contact information on the website. You will receive our response within 24 hours.

Q: What after-sales services can I enjoy?

A: The transformer comes with a one-year warranty. Long-term online technical support is provided, along with customer training, and regular updates to maintenance manuals and technical guides.

Q: How long is the average lifespan of a transformer?

A: The lifespan ranges from 20 to 40 years, influenced by factors such as maintenance level, operating environment, and load conditions.

Q: How to determine the parameters of the transformer?

A: We can usually find the parameters in transformer nameplates, drawings, outline drawings, and technical tables.

Q: Do you have oil-immersed transformers and dry-type transformers in stock?

A: No, as transformers require customized parameters based on demand, we usually need to design them after receiving an order.

 

 

 

http://www.lvma-transformer.com/

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