Is specialized in designing, manufacturing for power transformers ,furnace transformers and reactor.

Power Transformer 66kv~69kv Transformer Power Transmission S-800069kv25kv 1

Power Transformer 66kv~69kv Transformer Power Transmission S-800069kv25kv 2

Power Transformer 66kv~69kv Transformer Power Transmission S-800069kv25kv 3

Power Transformer 66kv~69kv Transformer Power Transmission S-800069kv25kv 4

Power Transformer 66kv~69kv Transformer Power Transmission S-800069kv25kv 5

Power Transformer 66kv~69kv Transformer Power Transmission S-800069kv25kv

Model NO.: S-8000/69KV/25kv

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

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BASIC INFO.

Model NO.	S-8000/69KV/25kv	Power	Hydroelectric (Power) Station
Cooling Method	Oil-immersed Type Transformer	Transport Package	The Accessories Packed in Plywood Cases,The Main B
Winding Type	Multi-winding Transformer	Specification	IEC60076
Certification	ISO9001-2000, ISO9001	Trademark	Ville
Usage	Power Transformer	Origin	Ningbo China
Frequency Characteristics	Power Frequency	HS Code	8504109000
Shape of Core	Ring	Production Capacity	5000/Year
Brand	Ville

ONAN/ONAF Primary (HV) Rated Power/ (): MVA6/8
ONAN/ONAF Secondary (LV) Rated Power: / ()MVA6/8
Altitude of Installation: >= 3000 m. A. S. L.
Number of Phases: 3
Rated Frecuency: Hz50
Type of Service: Outdoor - Continuous Service
Rated Primary (HV) Voltage: ()V69000
OFF CIRCUIT Primary Tapping Range: % Un± 2 x 2, 5%
Rated Secondary (LV) Voltage: ()V25000
OFF CIRCUIT SecondaryTapping Range: % Un/
Insulating Liquid: Mineral Transformer Oil - NO PCB

Connection Symbol: YNyn0
Connections: Primary: WYE with Neutral brought out
Secondary: WYE with Neutral brought out

Technical parameters

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
No Load Current:	@ 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

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As a professional power transformer manufacturer with 20 years of experiences, NINGBO VILLE ENTERPRISE is a combination of Transformer R&D center, production, sales and after sales service, possesses of strong technical strength and excellent manufacturing equipments, as well as modern Office facilities.