Three Phase 400kVA 22kV Oil Immersed Transformer

Product Highlights

• Wide Applicability: Suitable for outdoor applications, including residential, commercial, and industrial settings.
• Advanced Core Design: The core is made of high-quality grain-oriented silicon steel and step-lap technology to minimize core losses and reduce noise levels.
• High-Quality Winding Technology: Advanced geometric optimization design for improved short-circuit strength and uniform current distribution.
• Fancy Appearance and Reliable Operation: Attractive design with easy and reliable operation.
• Corrugated Tank Sealing Structure: Prevents contact with air and water, reducing oil aging and extending the transformer's service life.
• Comprehensive Safety Features: Equipped with a pressure relief valve, oil level indicator, and temperature monitoring system.
• Customizable Voltage Ratings: Available in various voltage ratings to meet specific application requirements.

Product Features

• Advanced Core Design: High-quality grain-oriented silicon steel and step-lap technology minimize core losses and reduce noise levels.
• High-Quality Winding Technology: Advanced geometric optimization design for improved short-circuit strength and uniform current distribution.
• Corrugated Tank Sealing Structure: Prevents air and water ingress, reducing oil aging and extending service life.
• Comprehensive Safety Features: Equipped with a pressure relief valve, oil level indicator, and temperature monitoring system.
• Customizable Voltage Ratings: Available in various voltage ratings to meet specific application requirements.
• Low Noise and Low Loss: Advanced design minimizes operational noise and energy losses.
• High-Efficiency Cooling: Uses ONAN (Oil Natural Air Natural) cooling method, ensuring efficient heat dissipation and long-term operational stability.

Technical Specifications

• Model Number: S11-400/22/0.4
• Rated Voltage (HV Side): 22kV
• Rated Voltage (LV Side): 0.4kV
• Rated Power: 400kVA
• Connection Symbol/Vector Group: Dyn11 or Yyn0
• Tapping Range: ±5% or ±2*2.5%
• Winding Material: Copper or Aluminum
• Cooling Method: ONAN (Oil Natural Air Natural)
• Number of Phases: Three
• Rated Frequency: 50Hz or 60Hz
• Brand: Aputon

Insulation System

• Advanced Oil Immersion Technology: High-quality transformer oil provides superior cooling and insulation properties.
• Corrugated Tank Design: Enhances cooling efficiency and structural strength.
• Sealed Construction: Prevents moisture ingress and extends service life.

Safety Features

• Comprehensive Protection Devices: Equipped with a pressure relief valve, oil level indicator, and temperature monitoring system.
• Buchholz Relays: Detect gas accumulation in the transformer, providing early warning of potential issues.
• Desiccant: Prevents moisture intrusion.
• Lightning Arrester: Optional protection device to safeguard against lightning strikes.

Applications

• Power Distribution Networks: Ideal for providing reliable power distribution in residential and commercial areas.
• Industrial Facilities: Supports stable power for production lines, machinery, and other industrial applications.
• Commercial Complexes: Suitable for malls, office buildings, hotels, and other commercial complexes.
• Infrastructure Projects: Perfect for infrastructure projects requiring medium-to-low voltage transformation.

Installation and Maintenance

• Simple Installation Requirements: Minimal maintenance needs.
• Regular Oil Testing and Monitoring: Recommended for optimal performance.
• Professional Technical Support: Available for installation and maintenance.
• Easily Accessible Design Features: Clear checkpoints and simplified maintenance procedures.

Quality Assurance

• Manufactured According to International Standards: Comprehensive testing at each production stage.
• Rigorous Quality Control: Each unit undergoes rigorous quality control and testing before delivery.
• Full Technical Documentation and Support: Provided for all units, including operating manuals, test certificates, and maintenance guides.
• Optional Features: Special paint finishes, custom accessories, enhanced monitoring systems, and specific mounting arrangements to meet unique installation requirements.

Performance Characteristics

• High Efficiency: Minimizes energy losses and maximizes operational efficiency.
• Stable Voltage Regulation: Optimal voltage regulation with a tapping range of ±5% or ±2*2.5%.
• Reliable Operation: Designed to handle a wide range of load conditions with excellent overload capacity and short-circuit strength.
• Long Service Life: Robust design and high-quality materials ensure a long service life with minimal maintenance requirements.

Contact us for detailed specification

All rights reserved.  Pls stop using our photos on any platforms without permission.