330kV 120MVA Oil-Immersed Power Transformer with Low Loss Design for High Voltage Transmission Systems

The 330kV 120MVA oil-immersed power transformer is engineered for ultra-high voltage transmission systems, serving as a critical component in regional power grid infrastructure. This high-capacity transformer delivers exceptional performance for large power stations and grid interconnection points.

• High-quality silicon steel core for optimal magnetic performance
• Low-loss windings with advanced insulation technology
• Fully sealed heat dissipation system for reliable operation
• Superior short-circuit resistance and low noise levels
• Insulation ratings exceeding LI950AC395 standards
• Compatible with online monitoring and on-load voltage regulation

Note: Specifications may be optimized for enhanced performance. Custom transformer configurations are available upon request.

Our power transformers are certified with CE, ISO, KEMA, and UL standards, supported by comprehensive test reports that validate performance and safety compliance.

Guanggao Transformer brings over 25 years of specialized experience in transformer manufacturing and export. Our comprehensive capabilities include:

• Production of single-phase, three-phase, dry-type, distribution, and high-voltage transformers (110kV and above)
• Compliance with IEEE/ANSI/UL/CSA and IEC international standards
• Advanced testing facilities including 3000kV lightning impulse testing, CA-21 moisture analyzer, infrared imaging, and vibration analysis
• Designated as National Power Transformer Energy Efficiency Testing Laboratory
• Proven track record with National Olympic Security Power Project, Guangzhou Asian Games, and international export markets