hermetically sealed oil filled transformer
10kvS13 oil-immersed transformer product advantages
• Lower loss: more energy-efficient than S11, no-load loss is greatly reduced, and long-term power saving
• Less noise: quiet operation, suitable for residential areas, schools, hospitals
• Fully sealed structure: maintenance-free, oil-tight, long service life
• Strong short circuit resistance: stable operation and high reliability
• Higher energy efficiency: in line with national-level energy efficiency, the first choice for power grid transformation
I. Product Introduction
The 10kV S13 Series Oil-Immersed Distribution Transformer represents a next-generation high-efficiency energy-saving transformer that meets China's National Energy Efficiency Standard Class I. As the industry-leading solution in power distribution networks, it delivers exceptional energy conservation performance and operational reliability. Featuring high-permeability oriented silicon steel sheets, fully sealed construction, and optimized core manufacturing processes, this transformer exhibits lower energy losses, reduced noise levels, and extended service life compared to S9, S10, and S11 models. Widely deployed in 10kV distribution systems, it is particularly suitable for power supply applications requiring stringent energy efficiency, quiet operation, and safety compliance.
2. Technical Specifications(Customizable)
• Rated Voltage: 10kV ±2×2.5% / 0.4kV • Rated Frequency: 50Hz • Connection Group: Dyn11 • Cooling Method: ONAN oil-immersed self-cooling • Rated Capacity: 30kVA to 2500kVA • Impedance Voltage: 4% • Insulation Class: Class A • Protective Structure: Fully sealed corrugated oil tank • Operating Environment Temperature: -25℃ to +40℃
3. Key Features
1. Tier 1 energy efficiency with ultra-low losses: No-load losses far below S11 standards, delivering significant energy savings. Long-term operation substantially reduces electricity costs and ensures rapid return on investment.
2. Extremely low operating noise: The iron core employs multi-stage joints and optimized magnetic circuit design, resulting in minimal vibration and low noise levels, meeting the quietness requirements for residential areas, schools, hospitals, and other environments.
3. The fully sealed, maintenance-free design employs a corrugated oil tank structure that isolates transformer oil from air, effectively preventing oxidation and moisture absorption, thereby eliminating the need for core lifting and routine maintenance.
4. With robust coil structure and stable insulation performance, it exhibits strong short-circuit resistance, withstands grid surges and load fluctuations, ensuring safe and reliable operation.
5. Long service life with rational heat dissipation design, corrosion resistance, and weather resistance, achieving an overall lifespan of over 20 years and low failure rate.
6. Compact structure with easy installation, featuring small size and light weight, suitable for various installation scenarios including outdoor platforms, distribution rooms, and box-type substations.
4. Application Scenarios
• New construction and energy-saving retrofitting of urban and rural power grids • Residential communities, schools, hospitals, office buildings, and commercial complexes • Continuous power supply for industrial facilities such as factories, mines, and industrial parks • Power supply for municipal infrastructure, water conservancy projects, transportation systems, and telecommunications networks • Box-type substations, photovoltaic/wind power generation facilities, and temporary construction power supply
