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Home Product Dry-Type Transformers
Dry-Type Transformers
Oil-Immersed Transformers
110kV-330kV High-Voltage Transformer
500kV+ Extra-High Voltage (EHV) Power Transformer
Dry-Type Transformer
Distribution Transformer
New Energy Transformer
Pad-Mounted Transformer
Special Transformer
110kV-330kV High-Voltage Transformer
500kV+ Extra-High Voltage (EHV) Power Transformer
Dry-Type Transformer

110kV-330kV High-Voltage Transformer

A suitable dry-type transformer is crucial for delivering reliable power to your equipment. Whether you are proactively upgrading an aging unit or urgently seeking a replacement to reduce downtime, DOHO Transformers offers a wide selection of products with ready availability to meet your requirements.
  • 35kV Class Power Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers Special Application TransformersSpecial Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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500kV+ Extra-High Voltage (EHV) Power Transformer

A suitable dry-type transformer is crucial for delivering reliable power to your equipment. Whether you are proactively upgrading an aging unit or urgently seeking a replacement to reduce downtime, DOHO Transformers offers a wide selection of products with ready availability to meet your requirements.
  • 35kV Class Power Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers Special Application TransformersSpecial Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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Dry-Type Transformer

A suitable dry-type transformer is crucial for delivering reliable power to your equipment. Whether you are proactively upgrading an aging unit or urgently seeking a replacement to reduce downtime, DOHO Transformers offers a wide selection of products with ready availability to meet your requirements.
  • 35kV Class Power Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers Special Application TransformersSpecial Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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Distribution Transformer

A suitable dry-type transformer is crucial for delivering reliable power to your equipment. Whether you are proactively upgrading an aging unit or urgently seeking a replacement to reduce downtime, DOHO Transformers offers a wide selection of products with ready availability to meet your requirements.
  • 35kV Class Power Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers Special Application TransformersSpecial Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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New Energy Transformer

A suitable dry-type transformer is crucial for delivering reliable power to your equipment. Whether you are proactively upgrading an aging unit or urgently seeking a replacement to reduce downtime, DOHO Transformers offers a wide selection of products with ready availability to meet your requirements.
  • 35kV Class Power Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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  • Special Application Transformers Special Application TransformersSpecial Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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Pad-Mounted Transformer

A suitable dry-type transformer is crucial for delivering reliable power to your equipment. Whether you are proactively upgrading an aging unit or urgently seeking a replacement to reduce downtime, DOHO Transformers offers a wide selection of products with ready availability to meet your requirements.
  • 35kV Class Power Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • 10kV Class Distribution & Compact Substations
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
    Learn More
  • Special Application Transformers Special Application TransformersSpecial Application Transformers
    1)SZ9-(M),SZ10-(M),SZ11-(M)1000~31500/35three-phase oil-immersed on-load tap-changer power transformers 2)S9-(M),S10-(M),S11-(M) 1000~31500/35 three-phase oil-immersed off-circuit tap-changer power transformers 3)S9-(M),S10-(M), S11-(M) 50~3150/35 double-winding off-circuit tap-changer distribution transformers
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Dry-type Transformer Features

Why Choose DOHO As Your

Related Solutions

FREQUENTLY ASKED QUESTIONS

What is the main difference between the SZ series and S series in your 35kV power transformers?
Answer: The key difference is the voltage regulation method: SZ series (e.g., SZ9/10/11) are on-load tap-changer transformers, allowing voltage adjustment while energized. They are suitable for grids with frequent voltage fluctuations. S series (e.g., S9/10/11) are off-circuit tap-changer transformers and must be de-energized for voltage adjustment. They are commonly used in stable distribution networks. Both are three-phase oil-immersed transformers rated 35kV with capacities from 1000 to 31500 kVA.
What is the S9-(M), S10-(M), S11-(M) 50~3150/35 transformer typically used for?
Answer: The key difference is the voltage regulation method: SZ series (e.g., SZ9/10/11) are on-load tap-changer transformers, allowing voltage adjustment while energized. They are suitable for grids with frequent voltage fluctuations. S series (e.g., S9/10/11) are off-circuit tap-changer transformers and must be de-energized for voltage adjustment. They are commonly used in stable distribution networks. Both are three-phase oil-immersed transformers rated 35kV with capacities from 1000 to 31500 kVA.
Where is the ZGS11-H(Z)-100~2000/10 compact substation usually applied?
Answer: The key difference is the voltage regulation method: SZ series (e.g., SZ9/10/11) are on-load tap-changer transformers, allowing voltage adjustment while energized. They are suitable for grids with frequent voltage fluctuations. S series (e.g., S9/10/11) are off-circuit tap-changer transformers and must be de-energized for voltage adjustment. They are commonly used in stable distribution networks. Both are three-phase oil-immersed transformers rated 35kV with capacities from 1000 to 31500 kVA.
What are the special features of the wind power dedicated transformer ZGS11-ZF-630~2000/-0.69?
Answer: The key difference is the voltage regulation method: SZ series (e.g., SZ9/10/11) are on-load tap-changer transformers, allowing voltage adjustment while energized. They are suitable for grids with frequent voltage fluctuations. S series (e.g., S9/10/11) are off-circuit tap-changer transformers and must be de-energized for voltage adjustment. They are commonly used in stable distribution networks. Both are three-phase oil-immersed transformers rated 35kV with capacities from 1000 to 31500 kVA.
What are the clear performance advantages of the SBH15 amorphous alloy transformer compared to standard silicon steel transformers?
Answer: The key difference is the voltage regulation method: SZ series (e.g., SZ9/10/11) are on-load tap-changer transformers, allowing voltage adjustment while energized. They are suitable for grids with frequent voltage fluctuations. S series (e.g., S9/10/11) are off-circuit tap-changer transformers and must be de-energized for voltage adjustment. They are commonly used in stable distribution networks. Both are three-phase oil-immersed transformers rated 35kV with capacities from 1000 to 31500 kVA.

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