Sf-20000/69/6.3 20mva 6kv Double-Winding Power Transformers with off-Circuit Tap Changer

Sf-20000/69/6.3 20mva 6kv Double-Winding Power Transformers with off-Circuit Tap Changer image

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Basic Info.

Model NO.

sf-20000/69/6.3

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

Product Description

Technical parameters:

Rated Capacity(MVA):	20
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):	22
No-load Current(%):	0.5
Full-load Loss(KW):	89.1
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
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

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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We are China Sf-20000/69/6.3 20mva 6kv Double-Winding Power Transformers with off-Circuit Tap Changer manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.

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