S11 Series Oil-Immersed Distribution Transformer

High Efficiency Power Distribution Solution

The S11 Series Oil-Immersed Distribution Transformer is a high-efficiency and energy-saving transformer designed for reliable power distribution in utility, industrial, commercial, and renewable energy applications. Featuring advanced silicon steel cores, high-quality copper windings, and optimized structural design, the S11 series offers low no-load losses, low operating noise, and excellent overload performance.

Manufactured in accordance with international standards, S11 transformers provide stable operation, high reliability, and long service life, making them an ideal choice for modern power distribution networks.

Key Features

• Low no-load loss and reduced energy consumption
• High operating efficiency and stable performance
• Excellent overload and short-circuit withstand capability
• Low temperature rise and efficient heat dissipation
• Low noise operation
• High mechanical strength and reliability
• Long service life with minimal maintenance
• Suitable for indoor and outdoor installations

Technical Specifications

• Rated Capacity: 30kVA – 2500kVA
• Rated Voltage: Up to 35kV
• Frequency: 50Hz / 60Hz
• Cooling Method: ONAN (Oil Natural Air Natural)
• Vector Group: Dyn11, Yyn0 or customized
• Insulation Class: Class A
• Tap Changer: Off-circuit Tap Changer
• Standards: IEC, ANSI, GB and customized requirements

Applications

• Utility Power Distribution Networks
• Industrial Plants and Manufacturing Facilities
• Commercial Buildings
• Residential Developments
• Renewable Energy Projects
• Solar PV Power Stations
• Battery Energy Storage Systems (BESS)
• Mining and Infrastructure Projects

Construction Features

The S11 transformer adopts high-quality cold-rolled grain-oriented silicon steel cores to reduce no-load losses and improve magnetic performance. High-conductivity copper or aluminum windings ensure excellent electrical efficiency and mechanical strength.

The transformer tank is designed with efficient cooling fins to enhance heat dissipation and maintain stable operation under various load conditions. Premium insulating oil provides superior insulation performance and effective cooling.

Quality Assurance

Every S11 oil-immersed transformer undergoes strict factory testing before shipment, including:

• Routine Tests
• Insulation Resistance Tests
• Turns Ratio Tests
• Load Loss & No-Load Loss Tests
• Applied Voltage Tests
• Induced Voltage Tests
• Leakage Current Tests

All products are manufactured under a comprehensive quality control system to ensure reliable performance and compliance with international standards.

Why Choose SyncorePower?

• Professional Transformer Manufacturer
• OEM & ODM Custom Solutions
• Advanced Production Facilities
• Strict Quality Control
• Global Export Experience
• Technical Support and Engineering Services

SyncorePower S11 Series Oil-Immersed Distribution Transformers provide reliable, efficient, and cost-effective power distribution solutions for utility, industrial, and renewable energy projects worldwide.