Low Noise 69KV 20MVA 3 Phase Mineral Oil Cooled Step Down Power Transformer for Urban Substation Commercial Power Grid Integration

Low Noise 69KV 20MVA 3 Phase Mineral Oil Cooled Step Down Power Transformer for Urban Substation Commercial Power Grid Integration. Superior Overload Capacity: Advanced foil conductors for LV windings and optimized air passages enhance heat dissipation and ampere-turn balance. Advanced Lightning Protection: HV windings feature vacuum-cast fiberglass-reinforced insulation and advanced lightning wave simulation technology. Noise Reduction Design: Spring connections between core, windings, and frame reduce noise by 10-15dB below standard levels. Leak-Proof & Sealed Tank: Fully sealed corrugated tank prevents oil oxidation, integrated leak-proof solutions, and extends service life. Customizable Voltage Ratings: Rate HV up to 230kV is available for customization to meet specific project needs. Global Certifications: Products hold UL, CE, KEMA, and ISO9001 certifications, meeting strict international market access requirements. Comprehensive After-Sales Support: Extensive network in 70+ countries providing cross-border technical support and localized rapid deployment.