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High Voltage Power Transformer | 10kV 35kV Dry & Oil Immersed Power Distribution Transformer Supplier

High Voltage Power Transformer | 10kV 35kV Dry & Oil Immersed Power Distribution Transformer Supplier
High Voltage Power Transformer | 10kV 35kV Dry & Oil Immersed Power Distribution Transformer Supplier
High Voltage Power Transformer | 10kV 35kV Dry & Oil Immersed Power Distribution Transformer Supplier
High Voltage Power Transformer | 10kV 35kV Dry & Oil Immersed Power Distribution Transformer Supplier
High Voltage Power Transformer | 10kV 35kV Dry & Oil Immersed Power Distribution Transformer Supplier
We manufacture full range high voltage power transformers, including oil immersed pole transformers, cast resin dry transformers and non-encapsulated SG(B) dry transformers. Our high voltage transformers support 10kV, 35kV voltage grades, featuring low no-load loss, low noise, fire safety and stable operation. All products comply with IEC, ISO international standards, widely used in urban power grid, industrial plants, subway, mining and commercial power distribution projects. Custom capacity, voltage ratio and structure can be provided, we offer direct factory supply and comprehensive after-sales support.
245kV 275kV 400kV 330kV Three-Phase Three-Winding On-Load Tap-Changing Autotransformer
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245kV 275kV 400kV 330kV Three-Phase Three-Winding On-Load Tap-Changing Autotransformer
$800,000.00
Three-Phase On-Load Tap-Changing Autotransformer: High-reliability UHV equipment with flexible voltage regulation, stable power transmission in large-scale grids.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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735kV 750kV 765kV Single-phase Oil-Immersed Autotransformer with Three Windings and No Excitation
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735kV 750kV 765kV Single-phase Oil-Immersed Autotransformer with Three Windings and No Excitation
$514,000.00
750kV Single-Phase Oil-Immersed Autotransformer. Features 3-winding design with no-load voltage regulation for ultra-high voltage grid applications
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Single-Phase Oil-Immersed Autotransformer for UHV Transmission Grid-550kV
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Single-Phase Oil-Immersed Autotransformer for UHV Transmission Grid-550kV

$428,000.00
Rockwill ODFS-550kV 334MVA single-phase oil-immersed autotransformer, three-winding off-circuit tap-changing. IEC 60076 compliant for UHV transmission.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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66MVA/22kV Station Transformer(Transformer for generation)
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66MVA/22kV Station Transformer(Transformer for generation)
$274,000.00
Station Transformer: Powers substation/plant auxiliaries. Steps down high voltage to 380V/220V, reliable, compact, with robust protection. Essential for facility operations.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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GSU Transformer for Renewable Energy-60 to 120MVA
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GSU Transformer for Renewable Energy-60 to 120MVA
$312,000.00
(GSU) Generator Step-Up Transformer for Renewable Energy: Boosts clean power from renewables, ensures grid-compatible transmission. Efficient, reliable for solar, wind projects.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Auxiliary Transformer for Power Generation-110 / 220 kV
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Auxiliary Transformer for Power Generation-110 / 220 kV
$286,000.00
110kV-220kV auxiliary transformer for power plant and substation auxiliary loads, reliable, compact, and protection-enhanced.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Single-Phase GSU Transformer for Nuclear Power Plant-500kV
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Single-Phase GSU Transformer for Nuclear Power Plant-500kV
$2,500,000.00
GSU Transformer for Nuclear Power Plant: Steps up reactor-generated power, ensures safe, reliable grid transmission.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Power Transformer for Step-up Substation-500kV
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Power Transformer for Step-up Substation-500kV
$9,200,000.00
Enables large-capacity, mid-to-long distance power transfer. Efficient, reliable, critical for regional grid interconnection and stable energy distribution.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Generator Step-Up Transformer for Hydro Power Plant-500kV
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Generator Step-Up Transformer for Hydro Power Plant-500kV
$8,300,000.00
840MVA 500kV GSU generator step-up transformer for hydro power plants with moisture-resistant design and 30-year service life.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Step-Up Transformer for UHV Grid Interconnection-1000kV
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Step-Up Transformer for UHV Grid Interconnection-1000kV
$1,325,000.00
1000kV Transmission Transformer: Enables ultra-high voltage power transfer, minimizes losses over long distances.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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