S11 Oil-Immersed Transformer - China Manufacturers

1. S: Three-phase; 11: Loss performance serial number; Oil-immersed refers to the transformer body being immersed in insulating oil, serving as insulation and heat dissipation. 2. Execution Standards: GB 1094 (Power Transformers), GB/T 6451 (Technical Parameters of Three-phase Oil-immersed Transformers), etc. 3. Structure and Features: Fully sealed corrugated oil tank, windings, low noise, short-circuit withstand. 4. Applications: Urban power grids, rural power grids, industrial parks, residential distribution; it is the main energy-saving transformer for 10kV distribution networks (altitude ≤1000m; ambient temperature -25℃~+40℃; locations without severe vibration, chemical corrosion, or explosion risks). 5. The S11 type is a mature and economical model; for routine projects, the S11 type offers outstanding cost-effectiveness. 6. Standardized design, special requirements can be customized. 7. Selection and procurement tips: (1) Clarify capacity, voltage ratio, connection group, voltage regulation range, impedance, and cooling method. (2) Verify the manufacturer's qualifications and type test report; check the losses and parameters according to GB/T 6451 to avoid non-standard products.

S11 Type Oil-Immersed Distribution Transformer - Reliable Power Solution

The S11 type oil-immersed distribution transformer from Lijie Electric delivers exceptional performance for your energy needs. With capacity ranging from 30-3150kVA and voltage levels of 6kV/12kV, our transformers serve urban grids, industrial parks, and residential areas efficiently. Manufactured at our 500,000-square-meter facilities with ISO 9001:2015, CE, and IEC certifications, each unit undergoes rigorous testing. Our engineering team of 160+ specialists ensures reliability with a fully sealed corrugated oil tank design that extends service life by up to 30% compared to conventional models.

S11 type oil-immersed distribution transformer

What Makes Our Oil-Immersed Transformers Stand Out?

Advanced Fully Sealed Design

Your transformer needs security from natural components. Our completely fixed folded oil tank structure kills discuss contact with protection oil. This anticipates dampness assimilation and oxygen entrance. The result? Your gear keeps up ideal separator quality all through its operational life.

The folded sheets consequently compensate for oil volume changes amid temperature vacillations. You won't require an oil conservator, which implies less upkeep necessities and lower operational costs.

Superior Winding Technology

We utilize oxygen-free copper conductors in all windings. The low-voltage windings include double-layered round and hollow or winding setups. High-voltage windings utilize multi-layered round and hollow plan with longitudinal oil channels.

These oil channels serve double purposes. They improve warm scattering proficiency whereas reinforcing cover execution. Your transformer works cooler and more secure beneath requesting stack conditions.

Built for Durability

Short circuits can harm gear rapidly. That's why our center official and mechanical fortification withstand electrical stresses viably. The item works dependably indeed amid blame conditions.

Noise levels stay moo much obliged to our exactness fabricating forms. You'll appreciate the calm operation in private and commercial settings.

Technical Specifications

Parameter	Specification
Capacity Range	30-3150kVA
Voltage Level	6kV, 12kV
Frequency	50Hz, 60Hz
Number of Phases	Single-phase, Three-phase
Connection Group	Yyno or Dyn11
Voltage Regulation	Non-excitation type
Tap Range	±5%, ±2×2.5%
Cooling Method	Oil-immersed self-cooling
Insulation Level	Power frequency: AC-35kV Impulse: L1-75kV
Operating Temperature	-25℃ to +40℃
Altitude	≤1000m

S11 type oil-immersed distribution transformer

Where Can You Use This Transformer?

Urban and Rural Power Networks

Your distribution network requires stable voltage transformation. Our transformers handle 10kV distribution efficiently. They're perfect for grid modernization projects in cities and countryside alike.

Industrial Applications

Manufacturing facilities demand consistent power quality. The S11 type oil-immersed distribution transformer provides reliable energy conversion for factories, workshops, and industrial parks.

Residential Complexes

Property developers trust our equipment for apartment buildings and housing estates. The low-noise operation ensures residents experience minimal disturbance.

Commercial Buildings

Shopping centers, office complexes, and hotels benefit from our transformer's stability. You get dependable power distribution without frequent maintenance interruptions.

How to Choose the Right Configuration

Define Your Requirements

Start by clarifying these specifications:

Required capacity (kVA)
Voltage ratio (primary/secondary)
Connection group designation
Voltage regulation range
Impedance requirements
Cooling method preferences

Confirm Quality Standards

Always check producer certifications. Our items comply with GB 1094 and GB/T 6451 guidelines. Each unit incorporates sort test reports from the National Transformer Quality Supervision and Review Center.

Review the specialized parameters carefully. This guarantees you get hardware that meets your correct needs or maybe than non-standard alternatives.

Consider Customization Options

Standard plans cover most applications. In any case, extraordinary necessities can be suited. Our generation cycles extend from 6-30 days depending on customization complexity.

Why Partner with Lijie Electric?

We've built our reputation on delivering quality transformers for over two decades. Our global reach extends to Australia, New Zealand, Southeast Asia, Africa, and beyond.

You receive comprehensive support including:

Installation guidance
Complete technical documentation
Test reports and quality certificates
Spare parts availability
Responsive after-sales service

Our customer-centric approach implies we prioritize your fulfillment. We do not fair offer transformers – we give control arrangements that develop with your business.

The item offers exceptional cost-effectiveness for schedule ventures. You get develop, demonstrated innovation sponsored by thorough quality control.

S11 type oil-immersed distribution transformer

Frequently Asked Questions

Q: What's the normal life expectancy of an S11 transformer?

A: With legitimate operation and negligible upkeep, you can anticipate 20-30 a long time of dependable benefit. The fixed plan amplifies operational life significantly.

Q: Can these transformers handle cruel climate conditions?

A: Yes, they work dependably in temperatures from -25℃ to +40℃. The fixed structure ensures inside components from natural factors.

Q: How frequently does upkeep require to be performed?

A: The support cycle is outstandingly amplified compared to customary transformers. Schedule assessments each 2-3 a long time regularly suffice.

Q: Do you provide installation support?

A: Absolutely. We supply detailed installation guidance, technical drawings, and manuals. Our team can assist remotely or arrange on-site support if needed.

Q: What certifications do your transformers carry?

A: Our products hold ISO 9001:2015, CE, IEC, and UL certifications. They're tested by accredited national laboratories.

Q: Can you customize transformers for special voltage requirements?

A: Yes, customization is available. Share your specifications, and our engineering team will develop a tailored solution.

Ready to Power Your Project?

Contact our team today to discuss your transformer requirements for S11 type oil-immersed distribution transformer. Email us at lijieelectrical@gmail.com for detailed quotations and technical consultation.