6kV–35kV Dry-Type Transformers for Indoor Power | TSTY

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Reliable Power Infrastructure—— Around in the World

Reliable Power Infrastructure—— Around in the World

Globally deployed solutions for grids, industry, and new energy

For over 30 years, TSTY has delivered mission-critical power systems across more than 100 countries—from national transmission networks to remote mining operations and renewable energy hubs. 
We partner with EPCs, utilities, and industrial operators to ensure power continuity, wherever your project is located. 

All Products

Dry-type Transformer

Indoor, fire-safe power distribution

33kv 35kV Dry-Type Transformer

Integrated OLTC and automated core enable auto voltage regulation and 150% overload capacity for sub-transmission.

33kv 35kV Dry-Type Transformer
20kV 22kv Dry-Type Transformer

Automated 7-step core and mirror-finish casting enable 150% overload capacity and maintenance-free MV operation.

20kV 22kv Dry-Type Transformer
10kV 11kV Dry-Type Transformer

Proprietary 7-step core and vacuum casting ensure superior overload capacity and maintenance-free safety.

10kV 11kV Dry-Type Transformer
6kV Dry-Type Transformer

Proprietary 7-step core ensures safe, efficient, and maintenance-free indoor distribution.

6kV Dry-Type Transformer
Amorphous Alloy Dry-Transformer

Flame-retardant design cuts no-load losses by 60–70% for data centers and sustainable infrastructure.

Amorphous Alloy Dry-Transformer
Validated in the World’s Most Demanding Operating Conditions

Validated in the World’s Most Demanding Operating Conditions

TSTY equipment is specified where failure is not an option. Key validation points:
01 Certifications accepted globally Certifications accepted globally
02 Extreme-environment operation Extreme-environment operation
03 Long-life design Long-life design
04 Full technical enablement Full technical enablement
dry type transformer-6

Certifications accepted globally

IEC, IEEE, UL, CE, GOST/EAC — test reports recognized in 100+ countries

dry type transformer-7

Extreme-environment operation

Proven at –40°C (Arctic & Mongolia), 70°C ambient (Middle East), 4,500 m elevation (African highlands, Mongolian mines), and high-salt coastal zones

dry type transformer-8

Long-life design

100% copper windings, optional amorphous alloy cores, vacuum pressure impregnation for >30-year service life

dry type transformer-9

Full technical enablement

Regional spare parts, 24/7 engineering support, and complete documentation (CAD/BIM, type-test reports, IEC datasheets)

All products listed meet these baseline requirements. Specific ratings and certifications vary by model.

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