Laminated H-Class Dry-Type Power Transformer

Planar/Stereo Rolled Core

Product Advantages

High-efficiency and energy-saving: Employing advanced three-dimensional rolled-core or laminated-core technology to reduce losses. 
High Reliability: H-class insulation material, resistant to high temperatures and moisture, ensuring stable operation. 
Fireproof and moisture-resistant: Dry design offers excellent fire and moisture resistance, making it ideal for environments with high fire safety requirements. 
Easy maintenance: Maintenance-free design reduces maintenance costs.

Product Features

Structural Innovation: Employing a three-dimensional wound core or laminated core to enhance magnetic flux utilization. 
Superior performance: It features high reliability, fire resistance, moisture resistance, low noise, and minimal energy loss. 
Attractive in appearance: Compact in design, easy to install, and suitable for various environments. 
Smart Monitoring: It can be equipped with a smart monitoring system to enable remote surveillance and data analysis.

Laminated H-Class Dry-Type Power Transformer
3D Design

3D Design

Drawing on more than 30 years of design, manufacturing, and testing experience in the transformer industry, XianDao has developed a "3D + Parametric" design software that enables automated design, cost optimization, as well as advanced simulation and modeling. The software fully integrates national and industry standards, ensuring cutting-edge product designs while maintaining high efficiency and reliability.

High-voltage winding

High-voltage winding

 

The high-voltage winding conductors are wound using premium-quality materials, with short and long glass fiber mats serving as reinforcing fillers. The entire assembly is then cast under vacuum conditions using the world-class Heidelberger vacuum casting system. This process effectively suppresses partial discharge phenomena, ensuring that the partial discharge level remains below 5 pC.

Low-voltage winding

Low-voltage winding

 

The low-voltage winding is crafted using high-quality pin conductors and wound automatically on a specialized winding machine. This machine incorporates "hydraulic, energy-efficient tension-coiling technology for wire materials," along with ±0.5mm high-precision detection and advanced hydrogen-flux welding techniques—key factors in ensuring the exceptional quality of the coil winding process.

Iron core

Iron core

 

The iron core is made from high-quality, highly permeable grain-oriented silicon steel sheets, fabricated using a 45-degree full-shear stepped lapping process. Its surface features a special moisture- and rust-resistant coating, which effectively reduces no-load losses, no-load current, and noise levels.

Testing and Inspection Technology

Testing and Inspection Technology

All products undergo rigorous control over both production processes and quality checkpoints. Before leaving the factory, they are subjected to stringent testing and inspections—compliant with national standards as well as tailored customer requirements—including partial discharge tests, lightning impulse withstand tests, noise inspections, and other mandatory checks. State-of-the-art testing equipment and a comprehensive inspection system ensure that every product meets the highest standards of quality and performance.

 

Terms of Use

•    Altitude: Standard products <1000m; for altitudes exceeding 1000m, designs can be customized based on the actual elevation.

•   Earthquake Resistance Capability: Level VIII

•   Relative humidity: ≤ 95%

•   Installation location: Indoor/Outdoor

•   Ambient temperature: -25°C to +50°C

•   Contamination Level: Indoor ≥ Class C

A location free from fire and explosion hazards, as well as severe pollution, chemical corrosion, and intense vibrations.

Meaning of the Model

Specification Parameters

Machine model

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Machine weight

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Machine color

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Machine dimensions

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Relevant cases

Grid power distribution

Grid power distribution

Export Power Distribution

Export Power Distribution

Factory Power Distribution

Factory Power Distribution

Commercial Power Distribution

Commercial Power Distribution

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