330kV 240MVA Oil Immersed Power Transformer with Copper/Aluminum Windings for High Voltage Transmission

The 330kV 240MVA oil-immersed power transformer is engineered for high-voltage power transmission and transformation applications. This critical device integrates seamlessly into ultra-high voltage power grid systems, addressing power evacuation requirements for large-scale power plant generators and voltage conversion needs at regional power grid junction nodes.

• High-grade silicon steel core for enhanced magnetic performance
• Energy-saving low-loss windings for improved efficiency
• Hermetically sealed cooling structure for reliable operation
• Minimal power dissipation and reduced operational noise
• Strong short-circuit withstand capability
• Insulation level exceeds LI950AC395 standard
• Reliable performance in harsh outdoor conditions
• Supports integration of real-time online monitoring systems
• Compatible with on-load tap-changers for voltage regulation

Our power transformers hold CE, ISO, KEMA, and UL certificates with comprehensive test reports. We comply with IEEE/ANSI/UL/CSA and IEC standards, ensuring global compatibility and safety.

Guanggao Transformer is a professional manufacturer with nearly 25 years of transformer export experience. Our facility features modern laboratory construction including a high-voltage test hall with 3000kV lightning impulse testing device and advanced testing equipment from Mitsubishi, Fluke, and other leading brands.

The company has been involved in major projects including the National Olympic Security Power Project, National 851 project, Guangzhou Asian Games construction, and Guangzhou BRT. Our products are exported to Myanmar, Madagascar, Malaysia, and other countries, enjoying a strong reputation in the electromechanical market.