Factory Price 30kVA High Voltage Three-Phase Oil-Immersed Electrical Power Transformer

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Three
• Core: Core-type Transformer
• Model NO.: SFZ11-2000KVA/154-34.5KV
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Leicheng
• Name: Transformer
• Other Name: Three-Phase Oil Immersed Transformer
• Winding Material: Copper/Aluminum
• Rated Primary Voltage: 10kv
• Rated Secondary Voltage: 0.4kv
• Type of Cooling: Oil-Immersed Type Transformer
• Input Voltage: 10kv, 11kv, 15kv, 22kv, 30kv
• Product Productivity: 6000PCS/Year
• Color: Grey
• Packaging Details: Export Worthy Packing
• Use: Power Transformer, Distribution Transformer
• Weight: 295 Kg
• Coil Material: Aluminum
• Transport Package: Wooden Case Packing, Container Shipping
• Specification: 955*450*1010 mm
• Trademark: LEICHENG
• Origin: China
• HS Code: 8504340000
• Production Capacity: 10000t

Product Description

 Welcome to our homepage to see more content!

Product Description

Basic Info.

           The fully sealed oil-immersed power transformer developed by LeiCheng Company has the advantages of low loss, low noise and high efficiency, which can achieve good energy saving and reduce pollution. Compared with the ordinary oil-immersed transformer, the fully sealed transformer eliminates the oil reservoir, and the change of the oil volume is automatically adjusted and compensated by the elasticity of the corrugated sheet of the corrugated tank. The transformer is isolated from the air to prevent and slow down oil deterioration and insulation aging, enhance operational reliability, and avoid maintenance during normal operation.

        


 

 

       The three-phase oil-immersed transformer applies new type insulation structure and improves the ability of short-circuit resistance.The iron core is made of high-quality cold-rolled silicon-steel plate.High-voltage winding group is made of high quality copper wires and it adopts multilayer cylindrical structure.All fasteners have been processed with special treatment to prevent them from loosening.  
     
     The product is stable,reliable,economic, environmental protection.It can be applied to many places such as power plants,transformer substation ,large industrial mining and petrochemical enterprise and so on.

      Oil immersed transformer ,use Japanese Toshiba analysis soft ware and our company special calculation and validation procedures to make sure the performance of products. Superior process equipment ,elaborate material selecting and efficient manufacturing make the transformer have small volume,light weight,low loss,low partial discharge,low noise characteristics.
 

 
Product Details

       1. The coil adopts a low axial short-circuit force structure. When the transformer is short-circuited, it can greatly reduce the axial short-circuit force and greatly improve the ability of withstanding short-circuit.

       2. All the bolts and nuts on the cover surface are made of 304 stainless steel, which enhances the rust prevention ability of the transformer.
       3. Each sealing rubber ring adopts the best rubber material in China, which greatly prolongs the service life of the sealing rubber ring.
      4. The transformer body adopts a high-reliability support structure to ensure reliable compression of the upper and lower parts of the coil. The entire body structure improves the ability of withstanding short-circuited.
      5. This not only reduces the no-load loss of the transformer, but also ensures that the core flux is not saturated when the transformer is operating under voltage, so that the third harmonic of the transformer is small.

Product Parameters

 

10kv-35kv Distribution Transformer
Rated Power(kva)	High Voltage(kv)	Low Voltage(kv)	Connection symbol	No-load loss(w)	On-load loss(w)	No load current(%)
400kva	10kv 11kv 20kv 35kv	0.4	Ydn11 Yyn0	570	4300	0.45
500kva				680	5410	0.45
630kva				810	30800	0.4
800kva				980	7500	0.4
1000kva				1150	10300	0.35
1250kva				1360	12000	0.3
1600kva				1640	145000	0.6
2000kva				1950	19140	0.6
2500kva				2340	22220	0.5

Mainly Components:
     The mainly parts of this transformer include Oil Tank, Conservator, Buchholz Relay, Breather Unit, Oil Indicator, Temperature Detector, Pressure Relief Device, Thermal Relay, Radiator, and Bushing.
      1. The oil tank is used to soak the windings by placing it in.
      2.Comply with IEC standards with CE/ISO certificates.3.4.5.6.7.8.9.10.
       3.be easily contacted & enlarge throughout loading so that the temperature of the oil can be increased and decrease.
      4.Buchholz relay is used when a conservator tank is used. Because it indicates errors like loss of oil once it goes low, improper flow of oil between the tank & transformer.
     5.Breather Unit includes silica gel that absorbs moisture in the oil. It changes its color from blue color to pink color it is not capable to absorb moisture in the oil.
     6.The oil indicator indicates the level of the oil within the conservatory unit.
    7.The temperature detector monitors the temperature of the oil. If the temperature of the oil increases to a certain level then the transformer will be disconnected from the service.
    8. Pressure relief device decreases the pressure within the transformer to avoid an explosion of the transformer.
   9.Thermal relay is used as an indicator for the temperature of the winding.
  10.Full galvanized coating no rust.
   11. The bushing is used to connect the internal windings of the transformer with the help of an exterior electrical network.
 

Product manufacturing process

     As one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings, the oil-immersed distribution transformer reduces the 10(6)kV or 35kV network voltage to the 230/400V bus voltage used by the user. The production process of oil-immersed transformer is mainly divided into: insulation, low-voltage foil winding, high-voltage wire winding, coil pressing and baking, body assembly, body lead, body vacuum drying, total assembly, vacuum oil injection.

 

Fields of application

Transformers have a wide range of applications and many types. According to the use of the classification of power transformer, electric furnace transformer, rectifier transformer, power frequency experiment transformer, voltage regulator, mining transformer and so on. When classified according to the structural form, it can be divided into single-phase and three-phase transformers. According to the cooling medium, there are dry transformers, oil-immersed transformers, inflatable transformers, etc., according to the cooling method, there are natural cooling type, air-cooled type, water-cooled type, forced oil circulation water-cooled type, forced oil circulation air-cooled type, water-cooled type, etc., and there are autotransformers, double-coil transformers, three-coil transformers, etc. When classified according to the voltage regulation method, it can be divided into on-load voltage regulation and no-load voltage regulation transformers, and when classified according to the neutral insulation level, it can be divided into fully insulated transformers (the neutral insulation level is the same as the starting insulation level) and semi-insulated transformers. According to the core type classification, can be divided into core type, shell type, radiation type and so on.
 

 

The role of the transformer is generally there are two kinds, one is the elevating voltage effect, and the other is the impedance matching effect. First of all, people usually use a variety of voltages, such as life lighting is 220V, industrial safety lighting is 36V, the voltage of the welding machine also needs to be adjusted, these are inseparable from the transformer. Through the principle of electromagnetic mutual induction of the primary and secondary coils, the transformer can reduce the voltage to the required voltage. In the process of long-distance voltage transmission, people need to raise the voltage to a very high level to reduce the loss of voltage, usually rising to several thousand volts or even tens of thousands of volts, which is the role of the transformer.

 

 

Work Environment

     

      Hebei Leicheng Electric Power Technology Co., LTD is a technology-oriented enterprise specializing in R&D, production, sales and services of power transformers, HV/LV switch cabinets and related products.

      Since its inception, our company has been committed to the path of professional development. By virtue of its strong technical force, domestic and foreign advanced equipment, innovative ideas and extensive manufacturing experience, it has been certified by ISO9000 and adopts CAD to provide customers with environment-friendly, energy-saving, low-carbon and high-quality products suitable for regional characteristics to meet the market and the basic requirements of different customers.

     Currently the company mainly produces HV/LV power distribution cabinets, pre-fabricated substations, power distribution transformers, HV/LV switches and other products.
     Its products cover the national market of China. Also the products are exported to Central Asia, Africa, Southeast Asia, the Middle East, South America and other countries and regions.

 

Packaging & Shipping

Certificates

 

FAQ

Q: Are you a Manufacturer, factory or Trading company ?

A: Yes, We are engaging in the research and development, production and operation of transformer for over 10 years.

Q: What's your warranty terms?
A: We offer 12 months warranty time.

Q: Production Time?
A: In general, it take 4~6weeks and it depend on the different style.

Q: What's your payment terms?
A: Pay by T/T and  L/C is acceptable.

Q: How do you conduct quality control in your factory?
A: We implement 100% QC inspection to ensure every product is qualified. We have over 10 times QC inspections during the manufacturing process from raw material to the final products.Each of our unit has  3C  certificate. If you need any other Certificate, we can help you to apply it.

Q: Do you have the products in stock?
A: Normally no. All our products produce depending to your order quantity.

 Q: What should provide to make custom transformer ?
A: Technical drawing and technical specification document are the best, or you can tell us some details technical specification date as below "Quotation and Ordering Required Information".

Q: Could I have your catalog and price list for trial order in MOQ quantity?
A: All of our products are showing on Made-in-China or official website, you are always welcome to ask us to get more information directly.

 

Related Porducts

       Our plants produce all types of transformers and related power equipment, including substations, capacitor cabinets, header cabinets, dry transformers and more. Related products can be found on our home page, or contact me directly, let me help you!

Welcome to our homepage to see more content!