China 10kv 100kVA Three-phase Distribution Oil Immersed Transformer
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Product Introduction
10kV 100kVA three-phase distribution oil-immersed transformer is a key equipment widely used in power systems, mainly used to reduce high voltage to a voltage suitable for transmission to users or equipment. The transformer uses a three-phase AC power supply, generates magnetic flux through the coil, and makes the silicon steel sheet in the core generate electromagnetic induction, thereby realizing the conversion and transmission of electric energy.
| Model: | S11-M-100KVA |
| Rated voltage: | 10kV |
| Rated capacity: | 100kVA |
| Number of phases: | three phases |
| Cooling method: | oil-immersed air-cooled |
| Winding type: | three windings |
| Core shape: | E type |
| Connection method: | Yyno or Dyn11 |
| Load loss: | 1.50kW (75℃) |
| No-load loss: | 0.20kW |
| No-load current: | 1.6% |
| Impedance voltage: | 4% |
Features
High efficiency: The core and winding of the oil-immersed transformer are immersed in insulating oil, which effectively isolates the influence of air and moisture on the transformer, improves the insulation strength and stability of the transformer, and thus improves the efficiency of the transformer.
Low loss: Since the insulating material of the oil-immersed transformer has good thermal conductivity, it can effectively dissipate heat and reduce the loss of the transformer.
High performance: The oil-immersed transformer has high mechanical and electrical strength and can work stably under harsh environmental conditions.
Long life: The service life of the oil-immersed transformer is relatively long, generally up to 30 years or more.
Strong adaptability: It is suitable for power systems of various voltage levels and capacities, and can meet the needs of different users.
Characteristics of silicon steel sheets and their impact on transformers
Magnetic conductivity: Silicon steel sheets are a kind of steel containing silicon elements, and their silicon content is usually between 0.8 and 4.8%. Silicon steel sheets have excellent magnetic conductivity and can generate strong magnetic induction intensity in the energized coil, thereby reducing the volume of the transformer.
Hysteresis loss and eddy current loss: The hysteresis loop of the silicon steel sheet is relatively narrow, so the hysteresis loss is low, which can significantly reduce the heating of the core. In addition, the silicon steel sheets are processed into sheets and insulated from each other, which can effectively reduce eddy current losses and further improve the efficiency of the transformer.
Thickness influence: The thickness of the silicon steel sheet has an important influence on its performance. In theory, the thinner the thickness of the silicon steel sheet and the narrower the spliced strips, the better the effect of reducing eddy currents, thereby reducing eddy current losses and temperature rise.
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