330kV Oil-immersed Three-phase Three-winding Unexcited Voltage Regulating Power Transformer

The 330kV oil-immersed three-phase three-winding unexcited voltage regulating power transformer is designed for high-voltage transmission networks requiring reliable performance, efficient energy conversion, and stable operation. It adopts a high-quality grain-oriented silicon steel core combined with advanced oil-immersed cooling technology, effectively reducing no-load losses, improving heat dissipation, and ensuring low operating noise. The three-winding structure enables flexible power distribution and enhanced system integration for complex grid applications.

With a robust insulation system and optimized electromagnetic design, the transformer delivers excellent short-circuit withstand capability, strong dielectric strength, and long-term operational stability. It is suitable for substations, regional grid interconnections, and large-scale power transmission projects where reliability is critical.

The product is engineered for long service life, low maintenance requirements, and consistent voltage regulation performance. Custom design options are available to meet different technical standards, environmental conditions, and utility specifications, making it a dependable solution for modern power systems.