Product
S11 oil immersed power transformer
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  • S11 oil immersed power transformer

S11 oil immersed power transformer

Using high-quality QQ acetal enamelled round copper wire, oxygen-free copper rod made of flat copper wire or copper foil winding from the form of cylindrical,continuous, spiral, etc., with sufficient electrical strength, mechanical strength and heat dissipation capacity.

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Keyword

S11 oil immersed power transformer

Details

Product structure and features 
Iron core: high permeability, low loss high-performance silicon steel sheet to reduce the no-load loss.
Coil: using high-quality QQ acetal enamelled round copper wire, oxygen-free copper rod made of flat copper wire or copper foil winding from the form of cylindrical,continuous, spiral, etc., with sufficient electrical strength, mechanical strength and heat dissipation capacity.
Oil tank: S11 series fully sealed oil-immersed distribution transformer is made of corrugated oil tank wave fins as cooling radiator, corrugated radiator is made of high-quality cold rolled sheet in special production line, wave fins can be up and down with the volume of transformer oil, thus making the transformer oil, the body of the transformer and the atmosphere to isolate, slowing down the aging, preventing the insulation from being damp, enhancing the reliability, and can be free of maintenance under normal operation.

Product structure and features 
 Iron core: high permeability, low loss high-performance silicon steel sheet to reduce the no-load loss.
Coil: using high-quality QQ acetal enamelled round copper wire, oxygen-free copper rod made of flat copper wire or copper foil winding from the form of cylindrical,
 continuous, spiral, etc., with sufficient electrical strength, mechanical strength and heat dissipation capacity.
Oil tank: S11 series fully sealed oil-immersed distribution transformer is made of corrugated oil tank wave fins as cooling radiator, corrugated radiator is made of high-quality cold rolled sheet in special production line, wave fins can be up and down with the volume of transformer oil, thus making the transformer oil, the body of the transformer and the atmosphere to isolate, slowing down the aging, preventing the insulation from being damp, enhancing the reliability, and can be
 free of maintenance under normal operation
Table of Performance Parameters

Model numberRated capacity
(kVA)
Coupling group designationVoltage Combination ( K V )No-load loss
(W)
Load Loss
(W)
No-load current
(%)
Short-circuit resistance
(%)
Oppressive

Tap range

Undervoltage
S11-M-3030

 

 

 

Yyno
or
Dyn11

 

 

6
6.3 10  1.5
11

 

 

 

±5% or
±2×2.5%

 

 

 

0.4

1006001.5 
S11-M-50501308701.3
S11-M-636315010401.2
S11-M-808018012501.2
S11-M-10010020015001-1
S11-M-12512524018001.1
S11-M-16016028022001.0
S11-M-20020034026001.0
S11-M-25025040030500.90
S11-M-31531548036500.90
S11-M-40040057043000.80
S11-M-50050068051000.80
S11-M-63063081062000.60

 

4.5

S11-M-80080098075000.60
S11-M-100010001150103000.60
S11-M-125012501360128000-50
S11-M-160016001640145000.50
S11-M-200020002280178200.405
S11-M-250025002700207000-40

The advanced oil-immersed transformer represents the latest in energy distribution technology, combining superior performance, durability, and safety for industrial, commercial, and utility applications. Designed to meet the demanding requirements of modern electrical networks, this transformer ensures stable voltage output, reduces energy loss, and protects sensitive equipment from fluctuations and electrical faults. Its optimized insulation system and oil circulation provide efficient heat dissipation, allowing reliable operation even under heavy loads and extreme environmental conditions.

One of the main advantages of the advanced oil-immersed transformer is its exceptional cooling and dielectric properties. The oil-immersed design allows for superior thermal management, preventing overheating and extending the transformer’s operational life. High-quality mineral oil enhances insulation and electrical safety, ensuring consistent and reliable power transmission. The transformer also operates quietly with minimal vibration, making it suitable for urban areas, hospitals, schools, and other sensitive environments without compromising performance.

The transformer plays a crucial role in maintaining power stability. Its precise voltage regulation ensures continuous energy supply, protecting connected machinery and equipment from damage while reducing operational downtime. This is particularly important for manufacturing facilities, data centers, commercial complexes, and urban utility networks where reliable energy is essential. By providing stable output, the transformer enhances operational efficiency, lowers maintenance costs, and supports sustainable energy practices.

Real-world applications demonstrate the transformer’s effectiveness. A manufacturing plant upgraded its power distribution system with advanced oil-immersed transformers, resulting in a 15% reduction in energy loss and a significant decrease in maintenance interruptions. A commercial building complex also integrated these transformers into its network, experiencing improved voltage stability during peak loads and enhanced overall reliability. Utility companies have adopted this technology in urban substations, benefiting from its long service life, high thermal endurance, and low environmental impact.

The advanced oil-immersed transformer addresses common challenges such as overheating, inefficient energy transfer, and frequent maintenance requirements. Its robust mechanical design, high thermal capacity, and superior insulation provide a dependable long-term solution for power distribution. Customers gain improved operational reliability, enhanced safety for personnel and equipment, and reduced lifecycle costs. By selecting the advanced oil-immersed transformer, businesses and utilities obtain a high-performance, durable, and energy-efficient solution capable of meeting the evolving needs of modern electrical grids.

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