Three phace Electrical Power Transformer

Product Details:
Place of Origin: China
Brand Name: DINGLI
Certification: ISO9001,SGS
Model Number: SC,SC
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: ls International standard wood case or according to client's requests Best selling 66kv 20mva 3 phase 2 windings transformer oil price
Delivery Time: Depends on the quality of client
Payment Terms: 30% advanced payment , 70% balance payment before shipment.
Supply Ability: 20 Set/Sets per Month Best selling 66kv 20mva 3 phase 2 windings transformer oil price

Detail Information

Material: Copper Or Aluminum Type: Oil-type
Model Number:: S9-M Certification: ISO9001/CE
Usage: Power OEM/ODM: Available
Standard: CQC,SGS,ISO,GB/T,JB/T,IEC Phase: Three
Coil Structure: Toroidal Output Voltage: 10.5KV
Cooling Method: Oil Cooling Packing: Wooden Box
Frequency: 50/60Hz Rated Voltage:: 66KV
High Light:

power distribution transformer


3 phase power transformer

Product Description

Three phace Electrical Power Transformer

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Total Solution for the field below:
Small hydro power station·Overhead transmission line·Substation,including mobile substation

and modular substation·Distribution network·Electricity Maintenance·Electricity investment·

Telecom tower and accessories

 Quick Detail: 220kV 110kV 66kV Three-phace two winding on-load-tap-changing power transformer


General EACHER brand 22DKV, 110kv and 66kv low-loss senes transformer is our independendy developed new generaton of transtormers on the basis or absorption of domestic and foreign advanced technology wh ich features ow local discharge, low loss, low noise, high reliability, strong protection against abrupt circuit. Its excellent per formance has been recognced by wide users and highly appra sed by experts, The full-sealed suspending-cover fee products sel well nationwide Amount of local discharge. The apparent discharge amount under 1.5 tmes of rated voltage is less than 80pc.
Noise; Products of 63MvA and below is ower than 58cB(AN Power los5: no-load loss is 30%o lower than that of IEc standard Reliability: All in-service products have no damages or od leakage occurred: short arcut withstanding: Model SFZ11-50000/132 smoothly passed the short-circut withstanding test of the national transformer quality supervision and nspection center and aso passed Holland"KEMA"qualty Control systom


Coil The high-voltage (HV) coil adopts an interleaved -cominuous structure to imp rove the voltage characteristics under impact voltage and make voltage evenly dstributed All stays and pads are chamfered to keep highly reliable insulation In the trans former winding there is a z gzg oil guide structure so as to fully cool al areas ins de the winding, lower the temperature rise of the winding and he hot points of the winding and prolong the service ife of insulaton The Hv and Mv regulation system are independendy pron ded with voltage-requlabing wnang to balance the ampere tum of each winding, efectively lower the axia ele trod ynamic torce generated at short cireuit of transformer and mprove abru short-circuit withstand ing capadty he wnding adopts radial"margin design, between the core and the paper sleeve of LV winding, and between the Lv, HV voltage regu ating wind nos as well as before insertion of stays and shroud plate they are fuly aned and tighty matched to ensure extremely good compactness and ooncentnaty af the entire winona


Core The core is made of hig-permeable gran-onentated top qualty ocid-roled silicon sheet and the matenal is cut with advanced Gemany Geoge GmbH automatic shear line with the cut burrs controlled within 0. 02mm 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 she ets are integraly pressed and adhered with epoxy resin to make the three-leg two-yoke core a strong and flat integral one with good verticality preasion, this effectiv ely impx owes no-load performance an reduces noise Bracing plates are used as support between coil leg and nner coil The iron yoke is tied with epoxy resin-impre gnated dass hber band, and the lowe yoke and the lower section of cil tank is tightened with counter-pressure bots. The upper iron yoke and the upper section of oil tank are fixed at 3
locations. Hence the body inside tho oil tank can withstand the vibration during transportation witho ut any shift.


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Oil tank and accessories The tank wall adopts wide steel sheet, which wil be folded into corrugated structure without splicing, in this way welds are decreased and me chani cal strength is enhanced; meanwhile, the corrugated wall has diverging effect, and thus plays a role in de crease of noise. The routing troughs and control cabinets of the secondary circuit are all made of stainless steel, so the entre trans former has a simple and good lookng All sealing surfaces use quality sealing matenal and are precision-
machined 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 ofthe seal.



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1.Specific packaging can be made to order.
You can specify other shipping methods such as Airmail, FEDEX or DHL.
We shall let you know about the shipping cost after receipt of your order.
And also can send by sea or air, kindly send me the port of yours.


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1. About us
HENAN DINGLI was founded in 1963 as a small electric power equipment manufacturer, after more than 50 years’development, DINGLI now is group company dedicated on total solutions for electricity projects covering survey, design, manufacture, complete equipment supply, construction, operations, maintenance, investment and so on. HENAN DINGLI actively devote to power grid construction, participated in all UHV construction projects and made an outstanding contribution to UHV transmission lines of China.

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Since 2000, HENAN DINGLI has been actively developing international business, successively built Ecuador, Cambodia manufacturing Base, Quito tower design center, Spain, Peru, Chile and other overseas service centers. We have got a number of international certificates, such as ISO certificate covering design, equipment and construction, AWS welding certificate, ASTM system certificate, Chile NCH 203 certificate, Colombia RETIE certificate, Costa Rica material quality Certificate, etc. By the end of 2018, the overall proportion of international business is more than 30% of the company's main revenue. We have provided high-quality products and services to more than 100 customers in 33 countries, including the markets of Europe, America, Africa and Southeast Asia. With strong technical support and on-site service capability, HENAN DINGLI has saved a lot of project costs for customers and won their recognition.
2. International Certificate
ASTM,RETIE,Nch203,Costa Rica ASTM,EPC,TCL,ect.
3. After-Sale Service
Technical Support
Technical support on pre-sales stage. DINGLI has own survey and engineering company with more than 100 engineers. We have special pre-sales engineer to work with customer at early stage of the project.

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Site assistance
Site assistance in Latin American market, so far we have sales and service center in Spain, Chile, Bolivia, Peru, Ecuador, Senegal, which will make a fast response for customer.

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Warehouse and Emergency Supply
Warehouse and emergency supply for spare parts, damage parts and missing parts: DINGLI has built production line in Quito and warehouse for transmission line and distribution network in Ecuador, Bolivia and Senegal with common use spare parts.

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Design and Consultant
Supported by both domestic engineering company and Quito tower design center, could provide technical consultant and design service within our scope of work. For Quito tower design center, most of the engineers are local staffs. The Design is based on ASTM protocols meantime with GB material standard, which will reduce the weight, and avoid the replacement on the profiles to save the working time.
Set-wisely packing or member-wisely packing as per client's requirements.

 Global-network map


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Shanghai Sales and Service Center

Beijing Sales and Service Center


Cambodia Phnom Penh Factory


Madrid (Spain) Sales and Service Center

Dakar, Senegal

Senegal (Dakar) Sales and Service Center

Senegal (Dakar) Spare Part Warehouse

Quito, Ecuador

Quito (Ecuador) Steel Tower Design Center (ASTM Standard)

Quito (Ecuador) Steel Tower Emergency Production Line

Quito (Ecuador) Raw Material and Spare Part Warehouse

Lima, Peru

Lima (Peru) Sales and Service Center

Cochabamba, Bolivia

Cochabamba (Bolivia) Raw Material and Spare Part Warehouse

Santiago, Chile

Santiago (Chile) Sales and Service Center

Jakarta, Indonesia

Jakarta (Indonesia) Sales and Service Center

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Customer Visit
Clients of Bolivia visited Dingli for factory inspection, we talked about the key issues faced right now, and found ways to solve it together. They set a high value on this cooperation.
Customers and Partners of Dingli

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