S□ series 6-10kV Oil-Immersed Power Transformer

The S□ series three-phase oil-immersed distribution transformer is an energy-efficient solution designed for daily lighting and factory power applications. With capacities up to 2500kVA and voltage levels up to 6-10kV, it features low loss, low noise, and high short-circuit resistance. Available in multiple series (S22, S20, S13, S11), it meets various national energy efficiency standards (Level 1-3), allowing customers to select the ideal model based on their needs.

Product Details

Product Model

1.S□ Series 6-10kV Oil-Immersed Power Transformer.jpg

Note 1: S-three-phase, D-single-phase, Z-on-load tap-changer, F-air-cooled.

Note2: S22,S20,S13,S11.

Note 3: M-fully sealed, R-rolled iron core.

Note 4: GY Plateau, WF Corrosion Protection, TA Dry Tropics, TH Wet Tropics (not marked if none).

Note 5: NX1 Energy Efficiency 1, NX2 Energy Efficiency 2, NX3 Energy Efficiency 3 (Energy Efficiency 3 is generally not labeled).

Schematic Diagram of the Appearance

2.S□ Series 6-10kV Oil-Immersed Power Transformer.jpg

Product Functions

◆Primarily used for daily lighting and factory power supply.

◆Transforms and distributes electrical energy in three-phase systems.

◆Available in different models to meet specific energy efficiency requirements (Energy Efficiency Levels 1, 2, and 3).

Applicable Environment

◇Altitude: ≤1000m.

◇Ambient Temperature: Max. +40℃; Outdoor minimum -25℃.

◇Installation Environment: No significant pollution.

◇Seismic Conditions: Horizontal acceleration < 3m/s², Vertical < 1.5m/s².

◇Power Supply: Approximately sinusoidal voltage waveform; roughly symmetrical three-phase voltage.

Product Highlights

◆High Efficiency & Options: Meets GB 20052-2020, with multiple series (S22, S20, S13, S11) covering different energy efficiency levels.

◆Enhanced Structure: Features spiral coils with longitudinal oil channels for improved heat dissipation and reinforced coil ends for higher short-circuit resistance.

◆Reliable Design: Utilizes a new lifting/positioning structure for safe transport and operation, and a fully-sealed tank to prevent oil/insulation degradation.

◆Low Operation Cost: Offers low comprehensive loss, low noise, and requires no maintenance under normal conditions.