66kV Oil-immersed Three-phase Double-winding On-load Voltage Regulating Power Transformer

The 66kV oil-immersed three-phase double-winding on-load voltage regulating power transformer is a high-performance solution designed for modern power transmission and distribution networks. It adopts advanced oil-immersed insulation technology and efficient cooling structure to ensure safe, stable, and continuous operation under heavy load conditions. Equipped with an on-load tap changer, the transformer can adjust voltage levels without interrupting power supply, providing excellent voltage regulation and system stability. Its optimized core and winding design significantly reduce no-load and load losses, improving overall energy efficiency. The unit offers strong short-circuit resistance, low noise operation, and excellent thermal performance, making it suitable for substations, industrial power systems, and utility grids. Built with high-quality materials and strict manufacturing standards, it ensures long service life, minimal maintenance requirements, and reliable performance even in harsh environments. This transformer is ideal for applications requiring high efficiency, stability, and flexible voltage control.