Some Common Technical Parameters Of Oil Immersed Transformers

Some common technical parameters of oil immersed transformers

1. Rated power: The power that a transformer can continuously supply, usually expressed in kilowatts (kW).

2. Rated voltage: The rated input and output voltage of the transformer. The input voltage is usually referred to as the "primary voltage", while the output voltage is referred to as the "secondary voltage". The unit of voltage can be volts (V) or kilovolts (kV).

3. Frequency: The frequency at which current is converted in a transformer, usually 50Hz or 60Hz.

4. Number of windings: Refers to the number of windings on a transformer. There are mainly primary winding and secondary winding.

5. Addressing method: The connection method between transformer windings, commonly including star connection (Y) and triangular connection（ Δ） Etc.

6. Insulation level: The withstand voltage level (usually expressed as temperature level) of the insulation material used in the transformer, used to ensure insulation performance.

7. Efficiency: The ratio of output power to input power of a transformer, usually expressed as a percentage.

8. Short circuit impedance: The impedance between current and voltage when a transformer winding is short circuited.

9. Overall dimensions: The physical size and weight of a transformer, usually expressed in terms of length, width, height (millimeters or inches), and weight (kilograms or pounds).

Please note that these parameters are examples provided based on general circumstances and are not applicable to all HMYDJ oil-immersed transformers. The specific technical parameters may vary depending on factors such as transformer specifications, capacity, and usage.

Oil immersed transformers have the following characteristics:

1. High efficiency: The HMYDJ oil-immersed transformer effectively improves heat conduction efficiency and reduces losses by immersing the coil and iron core in insulating oil. This makes the HMYDJ oil-immersed transformer more efficient and reliable during long-term operation.

2. High temperature resistance: Due to the presence of insulating oil, HMYDJ oil-immersed transformers can withstand higher operating temperatures. This type of transformer is commonly used in places with significant load fluctuations or high ambient temperatures.

3. Cooling function: The HMYDJ oil-immersed transformer completely immerses the winding and iron core in insulation oil, and achieves cooling through oil circulation. This cooling method is more efficient than air cooling and can quickly reduce the temperature of the transformer.

4. Good insulation performance: Due to being immersed in insulating oil, HMYDJ oil-immersed transformers have good insulation performance and can effectively resist electric shock and leakage.

5. Low noise: Compared to air-cooled transformers, HMYDJ oil-immersed transformers have lower noise. The presence of insulating oil can effectively absorb noise and vibration, making the operation of transformers quieter.

In summary, HMYDJ oil-immersed transformer has the characteristics of high efficiency, high temperature resistance, good cooling, good insulation performance, and low noise. These characteristics make HMYDJ oil-immersed transformers widely used in many industrial and power applications.

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Data Sheet N° 1-A: Transformer H61 20kV/400V of 160 kVA

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