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10kV Fully Sealed Three-Dimensional Rolled-Core Distribution Transformer
10kV Fully Sealed Three-Dimensional Rolled-Core Distribution Transformer

10kV Fully Sealed Three-Dimensional Rolled-Core Distribution Transformer

Safe and Reliable: The three-dimensional wound-core transformer boasts excellent short-circuit withstand capability and lower transient overvoltage levels, thereby enhancing the operational reliability of the power grid and reducing the likelihood of grid failures. High Efficiency and Energy Saving: The magnetization direction of the three-dimensional wound core is fully aligned with the rolling direction of the silicon steel sheets. There are no overlapping joints between the core layers, ensuring a uniform magnetic flux distribution throughout the magnetic circuit, with no obvious high-resistance zones and no distortion in magnetic flux density at joint locations. This can reduce core losses by 10-20%. Flexible Installation: The installation dimensions for transformers of all capacities are unified and standardized, offering exceptional adaptability to various installation environments. The installation process is straightforward, saving time and effort. Simple Maintenance: Maintenance and upkeep are simple—just perform regular inspections and maintenance, promptly clean away dust and oil stains, and replace aged or damaged components. This helps extend the equipment’s service life and improve its performance and operational effectiveness.

Category:

Transformer

Sales hotline: 86-531-80993338

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Keywords:

Transformer

Detailed description

The 10kV fully sealed three-dimensional wound-core distribution transformer is an energy-efficient distribution transformer product promoted and applied nationwide. It is widely used in urban and rural power grid construction and energy-saving renovation projects. The product models cover the S13, S20, and S22 series, with energy efficiency levels corresponding to Tier 3, Tier 2, and Tier 1 efficiency, respectively. These transformers comply with current national energy-saving policies and align with the development trend toward high-efficiency distribution equipment.

This product features a fully sealed structural design that effectively prevents air and moisture from entering the transformer interior, significantly slowing down the aging process of the insulating oil, reducing the rate of operational failures, and enhancing the long-term safety and reliability of the equipment.

The transformer core adopts a three-dimensional wound-core structure, an advanced core design that breaks away from the traditional planar stacked-core configuration. The core consists of three single-phase core frames, each of which is formed by continuously winding multiple trapezoidal silicon steel strips and then assembled to create a symmetrical three-phase spatial structure. This structure ensures continuous magnetic circuits and more uniform magnetic flux distribution, effectively reducing joints and magnetic flux distortion.

Fuel tank protection rating

IP68

Rated capacity

100 kVA ~ 400 kVA

High-voltage rated voltage

10kV

Low-voltage rated voltage

0.4kV

Heat resistance rating

Grade A

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