China 50kVA Power Distribution Transformer Oil Immersed Type Transformer
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Product Introduction
The 50kVA distribution transformer oil-immersed transformer is a transformer that uses insulating oil as the insulating medium and is mainly used in power distribution systems. The following is a detailed introduction to the transformer:
Basic parameters and scope of application
The 50kVA distribution transformer is suitable for AC 50Hz or 60Hz power systems, and the maximum rated capacity of the three-phase is 50kVA. It can be used indoors or outdoors, and is particularly suitable for the power supply and distribution systems of industrial and mining enterprises and civil buildings. It can reduce the network voltage of 10kV or 35kV to the 230/400V bus voltage used by users.

Structural features
The transformer adopts a new insulation structure to improve its short-circuit resistance. Its core is made of high-quality cold-rolled silicon steel sheets, the high-voltage winding uses high-quality oxygen-free copper wire, and adopts a multi-layer cylindrical structure. All fasteners are specially anti-loosening treated to ensure the stability and durability of the transformer. In addition, the transformer has the characteristics of high efficiency and low loss, which can save a lot of electricity consumption and operating costs.
| Specifications Capacity: | 50KVA |
| Voltage level: | 10-0.4 KV |
| Tap range: | 10±1×5% |
| Protection level: | IP00, IP20 for indoor, IP23 for outdoor |
| Connection group number: | Dyn11 or Yyn0 |
| Short-circuit impedance: | 4% |
| Voltage regulation method: | No-excitation voltage regulation (default) |
| No-load current: | 2.0% |
| Insulation method: | Transformer oil |
| Insulation level: | Class F |
| Number of phases | Three-phase winding |
| All copper | |
| 75KV |
Use environment and conditions
The 50kVA distribution transformer can be used under the condition that the ambient temperature is not higher than 40℃ and not lower than -25℃, the maximum daily average temperature is 30℃, the maximum annual average temperature is 20℃, and the relative humidity does not exceed 90% (at an ambient temperature of 25℃). Its altitude does not exceed 1000 meters. If the use conditions do not meet the above conditions, appropriate quota adjustments should be made according to relevant standards.

Application scenarios
This transformer is particularly suitable for power systems, industrial and mining enterprises, scientific research departments, etc. to conduct insulation strength tests on various high-voltage electrical equipment, electrical components, and insulating materials under power frequency or DC high voltage. Due to its small size, light weight, compact structure, complete functions, strong versatility and easy use, it has important application value in high-voltage testing.

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