Three Phase Oil Immersed Transformer

The three phase oil immersed transformer adopts a fully filled sealed corrugated oil tank shell, which adapts to the expansion of oil with its own elasticity and is a permanently sealed oil tank. The core part of a three phase oil immersed transformer consists of a closed iron core and windings wrapped around the iron core column, combined with an oil tank, explosion-proof tube, radiator, thermometer, and oil purifier to form a complete equipment. The maximum rated capacity of a three phase oil immersed transformer is generally 2500kVA and can be used indoors (outdoors). The installation and use of this type of transformer have strict requirements, for example, when the capacity is 315kVA or below, it can be installed on the pole.

(1)Product Feature
● Adopting a cylindrical structure winding
Low voltage windings generally adopt a cylindrical structure with copper foil winding, except for small capacity copper wires; The high-voltage winding adopts a multi-layer cylindrical structure, which balances the distribution of turns, reduces magnetic leakage, has high mechanical strength, and has strong short-circuit resistance.
● Unique Internal Structure
The iron core and winding are each fastened, and the low-voltage lead part is equipped with self-locking anti loosening nuts and adopts a non hanging structure, which can withstand the shaking during transportation. At the same time, the coil and iron core are vacuum dried, and the transformer oil is vacuum filtered and injected to minimize the moisture inside the transformer.
● Suitable For Ordinary Altitude Areas
Normal environment conditions of use,the elevation not more than 1000m.The special environment conditions of use,elevation of more than 1000m,but capacity needs to be reduced according to standards. Generally, for every 100 meters increase, the capacity decreases by 0.5%.
● Strict Installation Requirements
It needs to be installed in an environment free of corrosive gases and obvious dirt, with a maximum ambient temperature of+40℃ and a minimum of -25℃.
● Low Loss And Noisy
Compared with normal oi immersed power transfommer has no oil storage box and adopts the corugations on the oll tank as its heat-radiation parts.

(2)Application
● Rural power grid renovation: low load rate (usually 10-40%), significant energy-saving benefits
● Urban distribution networks: places such as residential communities and commercial centers with higher requirements for power supply quality.
Renewable energy projects: Access systems for intermittent energies such as wind and solar energy.Industrial Power Distribution System.

Upgrade Welding Process
Transformers have many welding points and long welding seams, while three phase oil immersed transformers are a combination of various welding and connections based on steel plate welded shells. We have upgraded our welding process to ensure that up to 70 welds with a total length of nearly 20m are smooth and tight, eliminating the occurrence of porosity and slag inclusion, and fundamentally solving the problem of leakage.
Select Oil Resistant Sealant Components
More than 95% of leaks are caused by sealing rubber components, and the quality of sealing rubber components mainly depends on their oil resistance performance. Especially at high temperatures, its aging rate is faster, which can easily cause seal aging, cracking, deformation, and even failure, resulting in transformer oil leakage. We use customized nitrile rubber accessories to greatly improve leakage problems and extend equipment service life.
Choose High-Quality Butterfly Valves
Choose ZF80 vacuum eccentric butterfly valve for butterfly valve. Compared with ordinary butterfly valves, vacuum eccentric butterfly valves have greatly improved mechanical strength and surface smoothness. Moreover, this product has the biggest advantage of using double-layer sealing at the interface with the transformer flange, which can prevent leakage at the transformer interface.

Integra96 International Product and System Certification

Baoding Yuanchen Transformer Manufacturing Co., Ltd. is located in a modern industrial park, covering an area of 98000 square meters, including 26800 square meters of high standard factory buildings and supporting facilities. The company has gathered industry elites, established a highly skilled R&D team, and built a full industry chain system integrating innovative R&D, precision manufacturing, and intelligent processing. It has also established a comprehensive after-sales service system covering the entire product lifecycle, continuously providing customers with excellent product solutions and high-quality technical service guarantees.

● Company Overview

● Production Workshop

(1)Before Service
● Provide equipment selection and recommendations to customers. Based on the customer's electricity load and environment, the supplier needs to recommend suitable transformer models and capacities to provide professional technical support to the customer.
(2)In Sales Service
● Provide customers with transformer testing and commissioning services. Suppliers can conduct testing and trial operation of transformers during the sales process to ensure their safety and stability, providing customers with a better service experience.
(3) After-Sale Service
Suppliers provide technical support to customers online, in addition to offering maintenance plans and repair services to ensure the normal operation of transformers.

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