115KV 35MVA 3 Phase Power Transformer

The 115kV 35MVA three-phase power transformer is a high-performance electrical unit engineered to meet the rigorous demands of modern power distribution systems. Designed for both conventional and renewable energy applications, this transformer ensures efficient voltage conversion and reliable operation. With a rated power of 35,000 kVA, it features a primary voltage of 115 kV and a secondary voltage of 13.8 kV. The transformer employs a versatile cooling system with ONAN, ONAF1, and ONAF2 modes, accommodating varying load conditions. Its YNd1 vector group configuration and 60 Hz frequency compatibility make it suitable for diverse grid requirements. The mineral oil-immersed insulation system provides effective cooling and electrical isolation, while the temperature rise limits of 55°C for oil and 65°C for windings ensure safe operation. Designed for outdoor service, it can operate at altitudes up to 1260 meters. Built to IEEE standards, this transformer delivers high reliability and performance in various applications, including renewable energy projects, industrial power distribution, and grid stabilization.