Oil-Immersed Power Transformer/Power Substation Prefabricated Substation

Design Data

Applicable Specifications

1. Transformer Specification: 1400 M TS EL 12 05 0011-Rev 03

2. Noise Specification: Acc. To IEC, VDE

3. Paint Specification: Acc. To International Standards

4. Paint Finish Color: TAL 7038

5. Site Data: Min. /Max. Temp. & Humidity: +1/ +51 º C & 70%

6. Location: Outdoor & Sheltered

7. Ambient: High Altitude Lands, Dusty (Iron Dust), & Corrosive

8. Altitude Above Sea Level: 6cm

System Variations

9. Voltage Variation ( Stationary/ Instantaneous): ± 5%/ ± 10%

10. Frequency Variation ( Stationary/ Instantaneous): ± 2%/ ± 5%

Electrical Characteristics

11. Self Cooled Continuous Output at Ambient Condition: 1250 Kva

12. Type: Oil-immersed with conservator

13. Number of phases/ wire: 3/3

14. Frequency: 50 Hz

15. Nominal Primary Voltage: 6.6 kV

16. Nominal Secondary Voltage: 0.42 kV

17. Vector Group: Dyn 11

18. Impedance Voltage at Mid. Tap: As per IEC-600076

19. Highest Primary Voltage: 6.9 kV

20. Highest Secondary Voltage: 0.42 kV

21. Basic Insulation Level (Primary): 7.2 kV

22. Basic Insulation Level (Secondary): 1 kV

23. Surge protection: Yes

24. Screen Between MV & LV Windings: “Vendor To Advise”

Design Data

Terminations M. V. Side (Primary)

25. Cable

26. Tap Changer: M. V. Side

27. Percentage Above Nom. Voltage: +5%

28. Percentage Below Nom. Voltage: -5%

29. Number of Taps: 5

30. Percentage Per Tap: 2.5%

31. Tap changer: Off-load

32. Uk: 5%

Parallel Operation with Other Transformer

33. Parallel Operation: No

Construction

34. Protection Class: IP-55

35. Mounting: “Rail Mounted on Concrete pad”

Cooling Provisions

36. Required cooling: ONAN Mode

Method of Neutral Earthing

37. Sold

38. Rating: 2500/5 A, 10 VA

39. Class: 5P20

40. Winding Conductor Material: Copper

41. Primary/ Secondary Fault Levels: 31.5 kA at 1 Sec. / 50 KA at 1 Sec.

Accessories:

42. NUMBER OF CABLE RUNS & SIZE: : [3× 120] mm

43. CABLE CONNECTING BOX: YES

Terminations L. V. Side (Secondary)

44. CABLE

45. BUSDUCT L x W: ( Vender to Advice)

46. NUMBER OF CABLE RUN & SIZE: 3(6x1x300) mm2

47. CABLE TYPE: PVC

48. Neutral Cable Run & Size: 3x1x300 mm²

49. Cable Connecting Box: No

BUSHINGS:

50. M. V. SIDE (Primary): 7.2 kV, A

51. L. V. SIDE (Secondary): 1 kV, A

Company Introduction

NingboVille Enterprise Co.,Ltd.is a combination of Transformer R&D center, production, sales and
after sales service,possesses of strong technical strength andexcellent manufacturing equipments, as
well as modern Office facilities. It specially produces large scale power transformer and industrial
transformers of high quality and reliability. A large share of its resources are devoted to research and
development of industrial and special transformers and reactors for any special application,such as the 
iron and steel and electrometallurgical industries.The company main working is suppling,engineering,
designing,manufacturing, executing, and commissioning for transformer .

Why Choose Us

FIRST-CLASS PROCESSING AND TEST EQUIPMENT

We have more than 500 sets of sophisticated, advance production and test equipments, complete and perfect processing 
equipments, and scientific and rational processing technology, which guarantee first-class products, Authorized by the
Bureau of Zhejiang Technology Supervision, Quzhou Fangyuan Inspection Company of Power Transmission and
Transformation Equipment, whick is based on our testing center, undertakes the quality inspection of the industry in our
province, this is a solid guarantee for our excellent product quality.

BEAUTIFUL ENVIRONMENT

We are confident that good products come from good personnel, and good environment makes qualified personnel. The

company is committed to creating a garden-like working environment for employees. We have green belts, modern

standardized workshops and well-planned parks where we sow our youth; we work hard, so we are harvesting the future.

With the first-class quality products, reasonable price and excellent after-sale services.product not only best-selling all

over the country,but also in the international market have higher credit, such as Thailand, Vietnam, Myanmar, Indonesia,

alaysia,Philippines, Ethiopia and Nigeria, Saxonstan, Uzbekistan, Korea, Turkey, Sudan, Iran etc. especially in the steel

enterprises, VILLE production of transformers already have high reputation.

Our Services

FAQ

 

Our advantages:

Quality Assurance

–From the very beginning, VILLE ensures quality in every step to achieve the best quality.

 Experience Sharing

–With more than 30 years’ experience in power industry, VILLE brings you an optimized solution.

 Global Service

–Wherever you are, VILLE global network will support and provide you with value.

 Quick Response

–In response to your needs without delay, VILLE  knows the value of your time.

 

Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!
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