Here, we will discuss What is the value of transformer oil?, What is the BDV value of 220KV transformer oil?, What is the IFT value of transformer oil?
What is the value of transformer oil?
Transformer oil, also known as insulating oil, plays a crucial role in the operation of transformers. It serves several purposes: it acts as an insulator, preventing arcing between components, and as a coolant, dissipating heat generated during operation. This dual functionality is essential to maintaining the efficiency and longevity of transformers, ensuring that they operate safely and efficiently under various load conditions.
What is the BDV value of 220KV transformer oil?
The breakdown voltage value (BDV) of 220kV transformer oil is a critical parameter that indicates the insulating resistance of the oil. For a 220 kV transformer, the BDV value should generally be greater than 70 kV when tested with a standard gap of 2.5 mm. This value ensures that the oil can withstand high voltages without breaking down, which is vital for preventing electrical failures and maintaining the operational reliability of the transformer.
What is the IFT value of transformer oil?
Interfacial tension (IFT) value of transformer oil is another important characteristic, reflecting the oil’s ability to resist contamination and degradation. A higher IFT value, typically greater than 25 dynes/cm, indicates that the oil is relatively free of contaminants and oxidation byproducts. This helps maintain insulating properties and extends the life of the transformer oil.
The unit of transformer oil, when considering its quantity, is usually measured in liters or gallons. However, various oil properties are measured in different units: BDV is measured in kilovolts (KV), IFT in dynes for centimeter (dynes/cm), and viscosity in centistokes (CST). These measurements help evaluate the quality and suitability of the oil for use in transformers.
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