S11-35KV 4000kVA High Voltage Power Transformer
Voltage: High-voltage side 35kV, customizable low-voltage side
Frequency: 50/60Hz, compatible with global power grid standards
Type: Oil-immersed power transformer (high voltage transformer)
Certifications: ISO, SGS, CE
Key Advantages: High efficiency with low losses, stable performance, and robust reliability in harsh conditions.
Have questions? GNEE sales representatives are available for live chat now
Send E-mail: sales@gneeelectric.com
Tel: +8615824687445
Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of s11-35kv 4000kva high voltage power transformer in China. If you're going to buy customized s11-35kv 4000kva high voltage power transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
Product Basic Introduction of Oil-Filled Distribution Transformer

The S11-35KV 4000kVA Power Transformer is a high-performance high voltage transformer engineered for large-scale, high-voltage applications. Featuring a fully sealed oil immersed power transformer design, it utilizes oil-cooling technology to minimize energy loss and enhance heat dissipation, ensuring long-term stable output. With support for wide-frequency operation (50/60Hz), it seamlessly integrates into diverse grid standards, catering to industrial power demands, transmission systems, and more. Key features include:
Energy Efficiency: S11-class design reduces no-load losses, meeting international energy standards;
Safety & Durability: A hermetic oil tank and high-quality insulation materials minimize leakage risks and extend lifespan;
Environmental Adaptability: Withstands extreme temperatures (-30°C to +40°C) and humid conditions, ideal for challenging environments.
This Power Transformer serves as the optimal choice for upgrading high-voltage power distribution systems, enabling clients to achieve higher efficiency and reliability in power delivery.
Products parameter

Application Scenarios and Installation Environment of High Voltage Power Transformer
Industrial Applications: Powers heavy machinery, metallurgical equipment, and factory production lines, leveraging the high voltage transformer's high-load capacity.
Power Transmission Networks: Essential for substations and regional grid systems to regulate voltage (step-up/step-down) through the reliability of an oil immersed power transformer.
Infrastructure Projects: Critical for airports, data centers, and transportation systems requiring stable voltage supply.
Installation Requirements:
Temperature: -30°C to +40°C, avoid extreme fluctuations or direct sunlight;
Humidity: ≤90% (non-condensing),远离corrosive gases and electromagnetic interference sources;
Foundation: Secure base with adequate ventilation and space for heat dissipation, ensuring compliance with the Power Transformer's oil-immersed design.


Why choose us?
GNEE Group:
Global Transformer Supply Chain Integration Expert (2008 - Present)
Founded in 2008, GNEE Group has undergone fifteen years of deep industry cultivation, successfully transforming from a regional trader to a global supply chain management expert. As a pioneer in the integration of the steel industry chain, the group has established a full-cycle value system that spans raw material procurement, production coordination, logistics optimization, and terminal services, setting an innovative operational benchmark in the global transformer distribution sector. In the era of Industry 4.0, GNEE Group is accelerating towards its goal of becoming a global integrator oftransformer industry value through digital restructuring and green supply chain construction.

SGS certification certificate

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