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

The 66kV oil-immersed three-phase double-winding unexcited voltage regulating power transformer is engineered for reliable medium-voltage power transmission and distribution networks. It adopts advanced oil-immersed cooling technology to ensure efficient heat dissipation and stable operation under heavy load conditions. Equipped with an off-circuit tap changer, it allows voltage adjustment during de-energized states, providing flexibility for grid operation and system optimization.

Its high-quality silicon steel core and low-loss windings significantly reduce energy consumption and improve overall efficiency. The robust insulation structure enhances short-circuit resistance and long-term operational safety. Designed for substations, industrial plants, and utility power systems, it delivers excellent mechanical strength and thermal performance. The transformer complies with international standards, ensuring dependable performance, long service life, and reduced maintenance requirements in demanding electrical environments.