Zhejiang, China
Business Type:
Manufacturer/Factory, Other, Group Corporation
Business Range:
Electrical & Electronics, Industrial Equipment & Components
Management System Certification:
ISO 9001, ANSI/ESD
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: within 15 workday
OEM/ODM Service

Transformer, Transformers, Distribution Transformer manufacturer / supplier in China, offering S9-2000/10kv Oil Immersed Distribution Transformer, Sf6 Gas-Insulated Indoor 24kv Switch Disconnector, Sf6 Gas-Insulated 24kv Load Break Switch and so on.

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S9-2000/10kv Oil Immersed Distribution Transformer

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $2,000-3,000/ Piece
Port: Ningbo, China
Production Capacity: 10000
Payment Terms: L/C, T/T, Money Gram
Application: Power, Rectifier
Phase: Three
Core: Core-type Transformer
Cooling Method: Oil-immersed Type Transformer
Winding Type: Multi-winding Transformer
Usage: Power Transformer

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Basic Info

Model NO.: S9
Frequency Characteristics: Power Frequency
Shape of Core: Ring
Brand: Rockwell
Color: Gray, Green or Customized
Trademark: Rockwell
Transport Package: Wooden Packing
Specification: IEC/ANSI/GB
Origin: China
HS Code: 8504231100

Product Description

Features:

1) Amount of local discharged: The apparent discharge amount is less than 80PC under 1.5 times of rated voltage;
2) Noise: Products of 63MVA and below is lower than 58 dB (AN);
3) Power loss: No-load loss is 30% lower than that of IEC standard;
4) Reliability: All in-service products have no damages or oil leakage occurred;

Application:

11 ~220 kV power system of power plant, substation, mining enterprise and etc.
Technologies:
Design: Relative developed software are adopted in Electromagnetic calculations, strength analysis, leakage magnetic distribution, its electro-dynamic force and electrical insulation.

Manufacture:

Core: Effectively upgrade transformer's no-load performance by below methods:

1) The core is made of high-permeable grain-orientated top quality cold-rolled silicon sheet and the material is cut with advanced Germany Geoge GmbH automatic shear line with the cut burs controlled within 0.02mm.

2) The silicon sheet fabrication adopts "no-upper yoke lapped' technology and all lapped joints of the silicon sheet are 45 full-miters. The laminated core sheets are integrally pressed and adhered with epoxy resin to make the three leg two-yoke core a strong and flat integral one with good verticality precision, this effectively improves no-load performance and reduces noises.

3) Bracing plates are used as support between coil leg and inner coil. The iron yoke is tied with epoxy resin-impregnated glass fiber band, and the lower section of oil tank is tightened with counter-pressure bolts. The upper iron and the upper section of oil tank are fixed at three locations. Hence the body inside the oil tank can withstand the vibration during transportation without any shift.

Winding:

1) The high-voltage (HV) coil adopts an interleaved-continuous structure to improve the voltage characteristics under impact voltage and make voltage evenly distributed. All stays and pads are chamfered to keep highly reliable insulation.

2) In the transformer winding there is a zigzag oil guide structure so as to fully cool all areas inside the winding, lower the temperature rise of the winding and the hot points of the winding and prolong the service life of insulation. The HV and MV regulation system are independently provided with voltage-regulating winding to balance the ampere turn of each winding, effectively lower the axial electrodynamic force generated at short-circuit of transformer and improve abrupt short-circuit withstanding capacity.

3) The winding adopts radial "0" margin designed, between the core and the paper sleeve of LV winding, and between the LV, HV, voltage-regulating windings, as well as before insertion of stays and shroud plate they are fully dried and tightly matched to ensure extremely good compactness and concentricity of the entire winding.

 
Rated capacity   kVAVoltage combinationNO-load  loss        WLoad         loss      WNo-load   current
%
Short-circuit
Impedance
HV         (KV )HV  tapping  rangeLV           (KV)Connection  symbol
306.3kV
10.5kV
11kV
13.2kV
13.8kV
15kV
±2
× 2.5%;
or ±5%
0.4Dyn11       or Yyn0906602.15.5
501309602.0
6315011451.9
8018013701.8
10020016501.6
12524019801.5
16029024201.4
20033028601.3
25040033501.2
31548040101.1
40057047301.0
50068056601.0
63081068200.96
80098082500.8
10001150113300.7
12501350132000.7
16001630159500.6
20001950191400.6
25002340222000.6

Oil tank and accessories

1) The tank wall adopts wide steel sheet, which will be folded into corrugated structure without splicing, in this way welds are decreased and mechanical strength is enhanced, meanwhile, the corrugated wall has diverging effect, and thus plays a role in decrease of noise. The routing troughs and control cabinets of the secondary circuit are all made of stainless steel, so the entire transformer has a simple and good looking.

2) All sealing surface use quality sealing material and are precision-machined.

3) On the edge of the tank there are double sealing grooves, and the outer sealing material is used to shade the atmosphere and ultra-ray to protect the inner sealing being damaged, thus at utmost prolonging service life and enhancing reliability of the seal.

Subassembly

As we have good cooperation tie with many subassembly manufacturers of famous transformer brands, we are able to provide different subassemblies as per users' requirements. The whole procedure of manufacture, R&D and sales service are carried out strictly in accordance with international standards and ISO quality management system.


S9-2000/10kv Oil Immersed Distribution Transformer

ATTENTION:

1.The payment term: We accept TT,30% deposit and 70% balance against copy of BL.
2.The delivery time: Usually it will take about 15-20 days.
3.The standard of package: Usually use strong plywood case for protection.
4.The material of transformer: We have two types, one is with copper and another one is with aluminum. It depends on your requirement. In fact, those two have difference if normal work well. Only except the long life. Copper is better and also higher price.
5.The logo: If you have good quantity, it absolute no problem to do OEM.
6.Our market: our products are popular in Indonesia, Philippines, Russia, USA, Middle East and so on. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutual benefit from our cooperation..
7.Warranty: in 12 month since BL date.

OUR SERVICE:

1.quick response in before sales period help you got order.
2.excellent service in production time let you know each step we made.
3.reliable quality solve you after sale headache.
4.long period quality warranty ensure you can buy without hesitate.


WHY CHOOSE ROCKWELL:

1. One-stop supplier globally.
2. More than 10 years professional experiences in electrical appliance industry. 
3.We offer professional online technology support for perfecting your electrical solution free.
4. Experienced sales service and suggestion.
5. All the products with accessories under strict quality control and final inspection before shipping.
6. We can assure the powerful competitive price and reliable quality products.
7. Most competitive shipping rate from our own shipping forwarder.
8. Warranty assurance: 12 month
9. Whatever big or small order, we can provide you one-to-one service.  

CONTACT US:

Contact person: Mr. Chen Chengming
Tel:86-577-27869969
Mobile:86-18668777248
 

Your Best Choice for Electrical Appliances Industry!!!
Please leave an inquiry to know more details about Price , Packing ,Shipping and Discount.


S9-2000/10kv Oil Immersed Distribution Transformer

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