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Oil-immersed Transformer

Pole mounted transformer power pole transformer

  • Brand: HENGFENGYOU
  • Series: BT
  • USES: The power distribution
  • Country of origin: China
  • Terms of payment: L/C, T/T, Western Union, Paypal, Money Gram
  • Certification: ISO9001、CB、CE、KEMA


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Product overview

  - The product mainly consists of power transformer, outdoor high voltage AC vacuum circuit breaker, outdoor high voltage drop type fuse, outdoor high voltage zinc oxide arrester, low voltage integrated distribution box (JP), cable, bracket and accessories, etc.

 - The main function of the product is that 11kV high-voltage alternating current is connected to the power transformer through the outdoor high-voltage drop fuse or outdoor high-voltage alternating vacuum circuit breaker and high-voltage zinc oxide arrester, and the voltage is lowered to the low-voltage alternating current, and then distributed to the branch distribution system through the low-voltage integrated distribution box.

 - Actual measurement is better than GB and IEC standards, CB CCC KEMA certification

 - High reliability of operation verification in more than 50 countries and regions around the world

 - It is mainly used in power distribution systems of rural and urban power grids with AC 50Hz (60Hz) and rated voltage 11kV

 - Products are mainly sold to Central Asia, Southeast Asia, Africa, South America and other markets and regions

 - Implementation standard: IEC60076-1, IEC60076-2, IEC60076-3, IEC60076-5, IEC60076-7, IEC60076-20, IEC 60836, IEC 60944

GB/T6451-2015, GB 1094.1, GB 1094.2, GB 1094.3, GB 1094.5, GB/T 1094.7, GB/T 2900.95, JB/T 10088, GB 20052


 
Product advantage

Leading technology

 - High voltage copper strip winding technology, improve lightning resistance

 - Low voltage copper foil winding technology, high quality A insulation material insulation

 - Small magnetic leakage, high mechanical strength, strong resistance to short circuit

 - Core 45° fully oblique joint stepping laminated structure


The shell

 - Japanese Mitsubishi laser cutting machine and CNC punching, reducing, folding and other equipment to ensure the accuracy of processing

 - ABB robot internal and external double layer welding, laser detection, to avoid leakage, pass rate of 99.99998%

 - Electrostatic spray treatment, 30 years not take off the paint (coating corrosion resistance within 100h, hardness ≥0.4)

 - Fully sealed structure, maintenance-free, normal operation life of more than 30 years

 

> The iron core

 - The core is made of high quality cold-rolled grain oriented silicon steel sheet with mineral oxide insulation (from Baosteel and WISCO of China).

 - Minimize the loss level, no-load current and noise by controlling the cutting and stacking process of the silicon steel sheet

 - The iron core is specially reinforced to ensure the structure of the transformer is firm during normal operation and transportation

 

 winding

 - Low voltage winding is made of high quality copper foil (customized aluminum foil), excellent insulation resistance

 - The high-voltage winding is usually wound with insulated copper wire (customized aluminum wire), using the patented process technology of Hengfengyou Electric

 - Very good resistance to radial stress caused by short circuit

 

High quality material

 - Baosteel and WISCO produce silicon steel sheets

 - China's high quality oxygen-free copper

 - CNPC (Kunlun Petroleum) High quality transformer oil (25# 40#)

 

 Other instructions

 - Low voltage outlet terminals are tinned copper bars

 - High voltage outlet terminals are ring type tin-plated bolts

 - Default no load regulation (can be customized load regulation) tap switch 5 or 7 adjustment

 - Transformer above 800KVA is equipped with gas relay protection, with oil temperature overheating alarm tripping protection, light gas alarm prompt, heavy gas tripping protection function

 - The transformer bracket is made of Q235 (A3F) hot dip galvanized steel, which is very convenient for transportation and erection

 - Oil immersed and amorphous series are available for transformers

 

Patent technology

 - Thanks to the patented technology of "ultra-low loss energy-saving power transformer" of Hengfengyou Electric, the material can be saved by 5%, and the loss of the transformer can be reduced by 10-20% compared with similar products in the market, which is more energy saving and environmental protection.

 - "Multi-layer Brush Stacking End Ring", patented technology, greatly improves the resistance to short circuit of the winding

 - The electrical performance of the transformer has reached the Chinese national standards GB and IEC, with the characteristics of high efficiency and low loss

 

Conditions of use

 - Altitude less than 1000m, air temperature -25℃~40℃, humidity less than 90% (+25℃)

 - The vertical incline shall not exceed 5°, there shall be no severe vibration, and the outdoor wind speed shall not exceed 35m/s

 - No gas or conductive dust that seriously affects the transformer insulation;No explosion hazard, no corrosion of electrical components

 - If the above normal operating conditions are exceeded, customers can contact our company for customized solutions

 

Product parameters

 - Input voltage: 10kv 11kV 15KV 33KV 35KV

 - Output voltage: 0.23kv、0.4KV 、0.415KV

 - Capacity: 10KVA-400KVA

 - Frequency: 50Hz (60Hz)

 - Remarks: Voltage, capacity, frequency, connection group and loss can be customized according to customer requirements


The parameter name unit The numerical
The rated capacity of the transformer kVA 10~400
The rated voltage High side kV 10、11、12 15、33、35
Low voltage side kV 0.4、 0.415
Auxiliary and control circuits V AC110/220、DC110/220
Rated short-time (1min) power frequency withstand voltage High side kV 42
Low voltage side kV 2.5
Auxiliary and control circuits kV 2
Rated lightning shock withstand voltage High side kV 75
Low voltage side kV 7.4
Rated frequency Hz 50/60
installation  Single bar, double bar and so on


 
 

Ordering instruction

  - Main parameters of transformer (voltage, capacity, loss and other main parameters)
  - Transformer use environment (altitude, temperature, humidity, place, etc.)
  - Other customized requirements (tap switch, color, oil pillow, etc.)
  - The MOQ is 1 set, and the goods will be delivered within 7 days
  - The normal delivery period is 30 days, with fast delivery worldwide.


Our advantages

  - Authoritative certification: ISO, ANSI, CB, etc
  - Perfect SQA quality management system and patented technology to ensure high quality products
  -  Efficient production equipment and low raw material prices to ensure the price advantage
  - Sufficient inventory, short delivery time and  fast delivery worldwide
  - Perfect after-sales service system, allowing customers to buy worry-free
  - Provide OEM/ODM services. Welcome clients to visit our factory.


News and information

Contact us

WhatsApp:

+86 15853252696(Jack)

+86 158 5326 5269(Alisa)

Tel:+86-532-87936206

Fax:+86-532-87936207

Email: info@hengfengyou.com

Address: 506 Huicheng Road, Chengyang District, Qingdao City, China

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