S11 Double-winding Fully Sealed Oil-immersed Power Transformer
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Product Introduction
S11 double-winding fully sealed oil-immersed power transformer is a high-efficiency, low-loss transformer widely used in power transmission and distribution of industrial and agricultural power grids.
S11 double-winding fully sealed oil-immersed power transformer is manufactured according to the International Electrotechnical Commission standard IEC60076 and the National Standard of the People's Republic of China GB1094. Its frequency is 50Hz, and the capacity range is 30-1600kVA, which is suitable for 10kV~35kV three-phase oil-immersed distribution transformers.
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Rated capacity: |
30kVA to 1600kVA |
| Voltage combination: | 10kV, 6kV, 6.3kV, 10.5kV, 11kV |
| Connection group number: | Yyno or Dyn11 |
| No-load loss: | 0.40kW to 4. 5kW |
| Load loss: | 0.35kW to 7.5kW |
| No-load current: | 0.4% to 4.5% |
| Short-circuit impedance: | 0.60Ω to 2.73Ω |
| Altitude | not exceeding 1000m |
| Maximum ambient temperature | +40℃ |
| Maximum daily average temperature | +30℃ |
| Maximum annual average temperature | +20℃ |
| Minimum temperature | -45℃ |
The S11 transformer has the following performance characteristics:
Low loss: Using high magnetic conductivity and low loss cold-rolled oriented silicon steel strip, the no-load loss and no-load current are greatly reduced
High efficiency: The core adopts a unique lamination structure to minimize the distortion of the magnetic flux density, thereby improving efficiency
Strong short-circuit resistance: The compact structure reduces the radial force during short circuit and has strong resistance to sudden short circuit
Low noise: Small no-load loss, small no-load excitation current, and low noise
Good economic performance: Based on the S9 series, the no-load loss is reduced by an average of 30%, and the no-load current is reduced by 70%~85%
Long service life: The transformer oil tank adopts a fully sealed structure to extend the service life
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