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S-Series 10kV Oil-Immersed Distribution TransformerTransformer

The S-Series is engineered for high efficiency, energy conservation, and quiet operation. It is ideal for urban grids, industrial parks, and complex power consumption scenarios.

  • Using advanced manufacturing techniques and premium materials, it delivers superior electrical performance and meets modern energy efficiency and environmental protection standards.

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Core Advantages & Features

  • Optimized Core & Coil DesignHigh-voltage windings use automatic winding, low-voltage windings use foil winding with argon-protected welding, ensuring reduced losses and enhanced structural integrity.

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  • Superior Electrical PerformanceMinimized no-load and load losses improve system efficiency and short-circuit withstand capability.

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Technical Parameters

Basic Parameters
Operating conditionsIndoor / outdoor installation
ModelS22, S20, S13
Capacity30~4000 kVA
Rated voltageHigh voltage / low voltage: 6~10/0.4 kV
Impedance4~8%
Connection groupDyn11//Yyn0/Yzn11
Insulation level

LI75AC35/AC5

Executive standards

1. GB/T6451-2023: Technical parameters and requirements for three-phase oil-immersed power transformers

2. GB 1094.1.2-2013: Power transformers

3. GB 1094.3-2017: Power transformers

4. GB 1094.5-2008: Power transformers

5. GB 20052-2024: Energy efficiency limits and grades for power transformers

Product Documents

  • Product Brochure

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