S9 S11 6KV 10 KV Oil Immersed Power Transformer

The S9 S11 6KV 10 KV Oil Immersed Power Transformer from Wzonpa is engineered for stable and efficient energy conversion in demanding environments. As a trusted China manufacturer, supplier, and factory, Wzonpa designs this transformer for utilities, industrial infrastructure, and renewable energy systems requiring continuous and safe power distribution. Its fully sealed structure and optimized magnetic circuit ensure reduced energy loss, improved reliability, and long-term operational stability even under harsh outdoor conditions.

Core Structure & Engineering Advantages

1.High-Performance Core System

Grain-oriented cold-rolled silicon steel core

Fully inclined seam integrated design reduces noise and losses

Stepped circular cross-section enhances magnetic efficiency

2.Advanced Winding Technology

High-strength concentric coil windings

Corrugated oil ducts improve heat dissipation

Tap-changing function supports voltage regulation between 6kV–10kV and 20kV range (de-energized operation)

3.Sealed Tank & Cooling System

Fully sealed corrugated tank eliminates external oil contamination

“Breathing” corrugation compensates oil volume changes

Vacuum oil filling removes moisture and ensures insulation integrity

Safety & Monitoring Features

Pressure relief valve for overload protection (30–2000kVA models)

Optional gas relay for alarm and trip functions

Thermometer sockets for accurate oil temperature monitoring

Outdoor signal thermometer available for large-capacity units

Application Scenarios

The S9 S11 6KV 10 KV Oil Immersed Power Transformer is widely used in:

Urban and rural power grids

Petrochemical and metallurgical industries

Textile mills and coal mining operations

Renewable energy plants (wind, solar, hydro, thermal)

It is ideal for engineers and procurement teams seeking stable power infrastructure, as well as EPC contractors managing large-scale energy projects.

Main technical parameters

Appearance and dimensions

FAQ

1.What is its main function?

It is designed to step down or step up electrical voltage in distribution networks, ensuring safe and efficient power transmission for industrial, utility, and renewable energy systems.

2.Where can it be installed?

It is suitable for outdoor substations, factories, mining sites, petrochemical facilities, and renewable power plants due to its sealed and weather-resistant structure.

3.How does it cooling work?

Cooling is achieved through corrugated tank walls that dissipate heat efficiently while allowing oil volume compensation without an external oil conservator.

4.What ensures it long service life?

Vacuum oil filling removes moisture and air, preventing oxidation and insulation degradation, significantly extending transformer lifespan and stability.

The S9 S11 6KV 10 KV Oil Immersed Power Transformer from Wzonpa delivers dependable performance, efficient energy transfer, and robust construction for modern power distribution systems. Contact us and get a quote now!

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