Transformers 50mva 66kv Double-Winding Power Transformers with on Load Tap Changer Distribution Transformer Custom Made Free Design

Transformers 50mva 66kv Double-Winding Power Transformers with on Load Tap Changer Distribution Transformer Custom Made Free Design image

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Basic Info.

Model NO.

sz-50000/69/6.3

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Ville

Power

Hydroelectric (Power) Station

Capacity

50mva

Voltage Level

69kv

Oltc

Yes

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 paramters:

Rated Capacity(MVA):	50
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):	47.6
No-load Current(%):	0.4
Full-load Loss(KW):	184.5
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

Order Instructions
When you choose our company product, please offer following data:
Transformer model:
Rated capacity:                     kVA
Phase:Three-phase
Single-phase
Frequency:50HZ
60HZ
Rated voltage ( H.V. / L.V. ):
Tapping range: ±       ×       %
Insulation level: LI       AC       / LI       AC        kv
Veotor group: Dyn11
Yyno
Other
Short-circuit Impedance:        %
Cooling method:ONAN
   ONAF
Tapping method:OLTC
OCTC
Other
Other requirement:

Notes:
We also can design special products according to customer’s particular requirements.
The final dimension is subject to outline drawing.

Our 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.

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

Sincerely look forward to your cooperation and win-win!

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