Sz-25000/69/6.3 25mva 66kv Double-Winding Power Transformers with on-Load Tap Changer

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: sz-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
• Package Size: 1.00cm * 1.00cm * 1.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Parameters

 

Rated Capacity(MVA):	25
Voltage ratio HV(KV):	69
Voltage ratio LV(KV):	6.3
Voltage ratio HV Tapping Range(kv):	± 8 x 1.25%
Connection symbol:	YND11
No-load Loss(KW):	28.4
No-load Current(%):	0.45
Full-load Loss(KW):	105.3
Impedance(%):	9

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

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.
 

Ville Electric Company will keep up with the century, the epoch,

Sincerely look forward to your cooperation and win-win!

Create brilliant!