China Oil-Immersed Power Transformer Power Substation IEC Standard

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: : [3x 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
Our Services

1.Pre sale servicea.make technical solutionb.send quotation, technical data sheet and drawingc.prepare power transmission plan, testing plan and shipment plan2.In sale servicea.supervise the manufacturing schedule totally in accordance with the planb.send photos to customer during every manufacturing process(hold point)c.inform the customer one week before testing.3.After sale servicea.installation and commissioning, training the workersb.quick response within 12 hours any timec.provide 12 months guarantee period normally.

FAQ

1. Q:What is your delivery time ?A: Depend on the type of transformer.2. Q:What is your payment term?A: 30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it.3. Q:What kind of standard you follow?A: IEC, ANSI, CSA, GB, etc4. Q:What kind of supporting documentation you can provide normallyA: Quotation, outline drawing, manufacturing plan, quality control plan
testing plan, financial report, type test report(KEMA, CESI),reference list, etc5. Q:What is your normal warranty period?A: 12 months after transformer operation.6. Q:Can u do installation and commission in user's site?A: Yes, we can send our installation team to user's country for service.7. Q:Do you have any experience in this kind of transformer?A: Yes, we can provide reference list for check.

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.

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please trust both of us will create a brilliant future!