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furnace transformer

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Processing Time: 1 Days - 60 Days
Packaging Details: STANDARD EXPORTING PACKAGE

Port: Shanghai / Shenzhen / Qingdao / Ningbo / Other

Payment Terms: L/C , T/T , other

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Basic Information

Brief description

Its type varies with the type of electric furnace, so the transformer has many types. Currently we manufacture following types: arc furnace transformers used for steel-smelting (including load- ratio voltage regulator type, ni-load voltage regulator type, and built-in reactor type)
 
Please contact us! Email: yuyang@mec.com.cn
 

Detailed description



Email: yuyang@mec.comexportimescheck****
Skype:snowing1203
MSN:luckywang03@hotmail.com 
 
 
Main function and features

An electric furnace transformer is used to supply power to an electric furnace, which lowers the high voltage to the furnace-required lower voltage.
Its type varies with the type of electric furnace, so the transformer has many types. Currently we manufacture following types: arc furnace transformers used for steel-smelting (including load- ratio voltage regulator type, ni-load voltage regulator type, and built-in reactor type); blast furnace transformers used for smelting of iron alloy, calcium carbide (single phase, three-phase, load ratio voltage regulator and no-load voltage regulator). All are energy-saving products with low power loss. The cooling modes are self-cooling mode, forced water cooling mode, etc.

Non-excitation-tap-changing Arc Furnace Transformer Technical Parameters.
 
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.
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 decreas

We are a professional player in transformer industry,  our annual total production capacity is about 18,000,000 KVA, our factory covers an area of 370,000 square meters and a building area of 100,000 square meters, with total assets of 350 million CNY and more than 1000 staff members with engineering and technical employees accounting for 21%.
Our main products include 220kV and below&200MVA and below oil immersed power transformers, 110kV and below furnace transformers, 110kV and below rectifier transformers, 35kV dry type transformers, 35kV combined transformer substation, 35kV and below amorphous alloy transformer, 35kV and below reactor etc. All of our products' performance measures up to the standards established by International Electric Committee (IEC).
We have many advanced production and testing facilities which imported from Germany and Japan, such as silicon sheet shearing automatic lines, automatic and continuous extrusion lines of electromagnetic wires, Kerosene vapor vacuum drying systems and more than 1,500 sets of production and complete testing systems for professional transformer production and other testing equipment. We can meet the requirements of customers completely.
 We have obtained ISO9001 quality management system and ISO14001 environmental management system certifications and in strict accordance with these standards in our routine.
We also obtained the CE certificate, CTQC test report, Nation Standardization Management AAA Certificate, National Measuring System Certificate and others. Many prizes also have been awarded to us in the past years by the relevant national Authority and local government.
Owing to our good reputation on quality and service, our products have been exported to more than 20 overseas countries and regions.
We sincerely hope we can provide you with best products and satisfied service, and you are always warmly welcome to visit us.
 
 

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furnace transformer

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