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Ningbo Ville Electric Co., Ltd.

1250 kVA Oil-Immersed Power Transformer, 1250 kVA, Oil-Immersed Power Transformer manufacturer / supplier in China, offering Oil-Immersed Power Transformer/Power Substation, Power Plant for Gensets Output 100mw, Type Wdg off-Circuit Tap Changer for Transformers and so on.

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Oil-Immersed Power Transformer/Power Substation

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 5000 Sets
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: Oil-immersed with conservator
  • Phase: Three
  • Cooling Method: Oil-immersed Type Transformer
  • Certification: ISO9001-2000, UL, ISO9001
  • Frequency Characteristics: Power Frequency
  • Frequency: 50 Hz
  • Nominal Secondary Voltage: 0.42 Kv
  • Impedance Voltage at MID.Tap: as Per IEC-600076
  • Highest Secondary Voltage: 0.42 Kv
  • 22.Tbasic Insulation Level (Secondary): 1 Kv
  • Specification: IEC VDE
  • HS Code: 82
  • Application: Power, Electronic
  • Core: Core-type Transformer
  • Winding Type: Two-winding Transformer
  • Usage: Power Transformer
  • Shape of Core: Ring
  • Nominal Primary Voltage: 6.6 Kv
  • Vector Group: Dyn 11
  • Highest Primary Voltage: 6.9 Kv
  • Basic Insulation Level (Primary): 7.2 Kv
  • Trademark: Ville
  • Origin: Ningbo
Product Description
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
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