The Critical Impact of Winding Material Quality on Oil-Immersed Transformers Performance

I. Core Value of Windings in Oil-Immersed Transformers

1. “Heart” Component of Oil-Immersed Transformers

• Windings undertake 100% of electromagnetic energy conversion in oil-immersed transformers
• Winding quality directly affects efficiency indicators of oil-immersed transformers
• Premium windings can increase load capacity of oil-immersed transformers by 15-25%

2. Ensuring Stable Operation of Oil-Immersed Transformers

• Winding materials determine short-circuit withstand capability of oil-immersed transformers
• Influence temperature rise characteristics and lifecycle of oil-immersed transformers
• Affect insulation aging rate of oil-immersed transformers

II. Importance of Premium Windings for Oil-Immersed Transformers

1. Enhancing Efficiency of Oil-Immersed Transformers

• High-purity copper reduces operational losses in oil-immersed transformers
• Precision manufacturing minimizes eddy current losses in oil-immersed transformers
• Optimized design extends maintenance intervals for oil-immersed transformers

2. Ensuring Safety of Oil-Immersed Transformers

• Premium windings improve short-circuit resistance of oil-immersed transformers
• Reduce partial discharge risks in oil-immersed transformers
• Enhance heat dissipation performance of oil-immersed transformers

III. Key Considerations for Winding Selection in Oil-Immersed Transformers

1. Conductor Material Selection

• Oxygen-free copper windings recommended for oil-immersed transformers
• Copper purity affects conductivity performance of oil-immersed transformers
• Cross-sectional design relates to current-carrying capacity of oil-immersed transformers

2. Insulation System Compatibility

• Windings must have oil-resistant insulation for oil-immersed transformers
• Insulation class must match temperature rise requirements of oil-immersed transformers
• Multi-layer insulation ensures reliability of oil-immersed transformers

IV. Testing Standards for Windings in Oil-Immersed Transformers

1. Mandatory Factory Tests

• Winding resistance testing for oil-immersed transformers
• Dimensional inspection of windings in oil-immersed transformers
• Insulation testing for windings in oil-immersed transformers

2. Operational Monitoring Indicators

• Winding temperature monitoring in oil-immersed transformers
• DC resistance measurement of windings in oil-immersed transformers
• Dissolved gas analysis for oil-immersed transformers

V. Development Trends for Windings in Oil-Immersed Transformers

1. Material Innovations

• New nano winding materials for oil-immersed transformers
• High-temperature superconducting technology for oil-immersed transformers
• Composite conductor applications in oil-immersed transformers

2. Process Advancements

• Intelligent manufacturing processes for oil-immersed transformers
• 3D printing technology for oil-immersed transformers
• Eco-friendly insulation solutions for oil-immersed transformers

VI. Purchasing Recommendations for Oil-Immersed Transformers

1. Supplier Selection

• Evaluate winding manufacturing processes of oil-immersed transformer suppliers
• Understand material sources for oil-immersed transformers
• Verify test reports of oil-immersed transformers

2. Operation and Maintenance

• Regular inspection of winding conditions in oil-immersed transformers
• Monitoring operational parameters of oil-immersed transformers
• Establishing maintenance records for oil-immersed transformers

Conclusion:
Winding quality is a critical factor affecting overall performance of oil-immersed transformers. Selecting oil-immersed transformers with premium winding materials and advanced manufacturing processes, combined with scientific operation and maintenance, can significantly enhance equipment reliability and extend service life. We recommend users pay special attention to technical parameters and process standards of windings when purchasing oil-immersed transformers to ensure optimal product performance and user experience.