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30-35kV Dry-Type Power Transformer

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Dry-Type Power Transformer

Dry type transformer uses air as a cooling medium instead of insulating oil. It is designed with epoxy resin or cast resin to encapsulate the windings, providing insulation and protection. Dry-type transformers are often preferred in indoor installations or locations where the use of oil-filled transformers is not suitable due to safety or environmental reasons. They are known for being more environmentally friendly, requiring less maintenance, and offering a higher level of safety compared to oil-filled transformers.

Email：info@byttransformer.com

Applications and Advantages of 6-35kV Dry‑type Transformers

Voltage Class Overview

Dry‑type transformers for 6kV to 35kV are used worldwide. Each voltage level has specific strengths and limits.

6-10kV

Good for short power routes, e.g., inside a factory.

Lower cost, but higher losses over long distance.

Used in many Asian nations.

11-15kV

A balance of cost and efficiency.

Ideal for city networks in the UK, Ireland, and Commonwealth countries.

Also for hospitals, data hubs.

20-22kV

Low line losses, fewer substations needed.

Common in Germany, Austria, Scandinavia.

Drawback: higher price than 11kV units.

30-35kV

Very long power transport distance.

Standard for rural grids in Africa, Middle East, and China.

Larger and more costly, not for indoor use.

Country Selection Differences

China: 10kV (city), 35kV (rural).

UK: 11kV, 33kV.

Germany: 20kV.

USA: 13.2kV, 13.8kV, 34.5kV.

Africa: 11kV, 33kV.

KAIBEITE Advantages

KAIBEITE dry‑type transformers use high‑grade silicon steel cores. Benefits include:

Very low core losses (energy saving).

Quiet operation (low noise).

Long life (30+ years).

Fire‑proof, no oil.

Used in: shopping centers, housing districts, hospitals, factories, solar power projects.

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Key words:

33kV Dry-Type Transformer

Dry-Type Power Transformer

20/22kV dry-type distribution transformer

1250kVA Dry-type isolation transformer

20/22kV dry-type distribution transformer

1250kVA Dry-type isolation transformer

Product Classification

Oil-lmmersed Power Transformer

Dry-Type Power Transformer

High And Low Voltage Switchgears

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