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25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3

Product Details
Customization: Available
Application: Power
Phase: Three
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  • 25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3
  • 25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3
  • 25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3
  • 25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3
  • 25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3
Find Similar Products
  • Overview
  • Product Description
  • Product Parameters
  • Company Profile
  • After Sales Service
Overview

Basic Info.

Model NO.
sf20-25000/69/6.3
Core
Core-type Transformer
Cooling Method
Oil-immersed Type Transformer
Winding Type
Multi-winding Transformer
Certification
ISO9001-2000, ISO9001
Usage
Power Transformer
Frequency Characteristics
Power Frequency
Shape of Core
Ring
Brand
Ville
Power
Hydroelectric (Power) Station
Transport Package
The Accessories Packed in Plywood Cases,The Main B
Specification
IEC60076
Trademark
ville
Origin
Ningbo China
HS Code
8504109000
Production Capacity
5000/Year

Packaging & Delivery

Package Size
200.00cm * 200.00cm * 200.00cm
Package Gross Weight
2000.000kg

Product Description

Product Description

25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3

Product Parameters
Rated Capacity(MVA): 25
Voltage ratio HV(KV):  69
Voltage ratio LV(KV):  6.3
Voltage ratio HV Tapping Range(kv): ± 2 x 2, 5%
Connection symbol: YND11
No-load Loss(KW): 26
No-load Current(%): 0.45
Full-load Loss(KW): 105.3
Impedance(%): 9

25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.325mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3
Reference Temperature  ° C 75
No-Load Losses at Principal Tapping: W 9.0 kW
Looses of Cooling Fan System W /
Insulation Levels (LI/AC): LI325AC140/LI125AC55
No Load Current: @ Un % In 0.56
@ 1.05 Un % In 0.68
Sound Level:  dB < 67
Short Circuit Impedance at Principal Tapping: P/S % Un 8~10%
P/T % Un  
S/T % Un  
Reference Temperature  ° C 75
Top Oil Temperature Rise: °C 51K
Average Winding Temperature Rise:  °C 64K
Insulation Resistance (Reference Temperature = 20°C):
HV/LV  / Mohms  ≥1000
HV/GR - LV/GR - Mohms ≥1000
Company Profile

25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3

After Sales Service

25mva 69kv Double-Winding Power Transformers with off-Circuit Tap Changer Sf20-25000/69/6.3Our Performance:

1. Pre sale service
a. make technical solution
b. send quotation, technical data sheet and drawing
c. prepare power transmission plan, testing plan,and shipment plan
2. In sale service
a. supervise the manufacturing schedule totally in accordance with the plan
b. send photos to customer during every manufacturing process(hold point)
c. inform the customer one week before testinng.
3. After sale service
a. installation and commissioning, training the workers
b. quick response within 12 hours any time
c. provide 12 months gurantee period normally.

FAQ For You
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 starndard you follow?
A:  IEC, ANSI, CSA, GB, etc
4. Q: What kind of supporting documentation you can provide normally
A:  Quotation,outline drawing,manufacturing plan, quality control plan,testing plan, financial report, type test report(KEMA, CESI),reference list,etc
5. Q: What is your normal wanrranty period?
A:  12 months after transformer operation.
6. Q: Can u do installation and commissioningin 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.
8. Q: Are you manufacturer or trading company?
A:  Manufacturer and Trading company.


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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