Oil-immersed Power Transformer

This series of power transformers strikes a balance between high energy efficiency, exceptional reliability, and robust environmental adaptability; its core electrical performance indicators all meet advanced industry standards, enabling it to satisfy the diverse and complex application requirements of modern power grids.

Description

Product Technical Advantages

1. Core Manufacturing Process: Utilizes high-quality cold-rolled silicon steel sheets, combined with advanced lamination techniques and binding processes. The core structure is tightly integrated, significantly reducing no-load losses, no-load current, and eddy current losses.
2. High-Quality Winding Design: Constructed using premium oxygen-free copper wire or copper foil. Employs advanced coil structures—such as continuous or multi-layer cylindrical designs—to ensure superior conductivity and thermal stability, while significantly enhancing short-circuit withstand capability and mechanical strength, and balancing electromagnetic force distribution.
3. “Dual-Low” Design (Low Loss / Low Noise): The product strictly complies with the latest energy efficiency standards and national regulations. By optimizing the core structure and cooling system, it achieves low energy loss and operational cost savings while simultaneously significantly reducing operational noise levels.
4. Comprehensive Mechanical Safety: Manufacturing processes ensure the active part (core and coils) is securely positioned. It effectively withstands vibrations and shocks during transportation and long-term operation, thereby safeguarding internal structural stability and extending the product’s service life.
5. Intelligent Voltage Regulation: Offers an optional on-load voltage regulation (OLTC) feature. This allows for automatic or manual adjustment of voltage output without interrupting power supply, perfectly meeting the stringent voltage quality requirements necessitated by fluctuations in grid load.

 

Technical Parameters
Product Model: Oil-immersed Power Transformer
Item Parameter
Structure Type Oil-immersed/Full-sealed
Capacity 30KVA-2500KVA
Voltage 10KV-0.4
Cooling Method AN/AF
Cooling Form Oil-type
Connection Group Dyn11/Yyn0
Tap ±2*2.5/±5
Polarity Negative Polarity
Noise Level National Standard
Short-circuit Impedance National Standard
Average Winding Temperature Rise 65K
Top Oil Temperature Rise 55K
Power Frequency Withstand Voltage National Standard
Lightning Impulse Withstand Voltage National Standard
No-load Loss/Load Loss National Standard

 

 

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