Oil-Immersed Transformer Tank

Description

Overview

An Oil-Immersed Transformer Tank is a crucial component of oil-immersed transformers, which are widely used for electrical power distribution. The tank serves as the enclosure for the transformer and contains the insulating oil that plays a key role in cooling and insulation.

Features

1.Insulating Oil: The tank is filled with insulating oil, which serves two purposes:

• Cooling: The oil absorbs and dissipates the heat generated during the transformer’s operation.
• Insulation: It helps to prevent electrical breakdown between the windings and other metal parts, ensuring the transformer operates safely.

2.Design and Construction: The tank is made from high-strength steel to ensure durability and resistance to external damage. It is typically cylindrical or rectangular in shape, depending on the design of the transformer.
3.Breathing Valve: To allow for pressure relief and prevent oil spillage, the tank is equipped with a breathing valve that regulates the internal pressure as the oil expands or contracts with temperature fluctuations.
4.Cooling Fins: Many oil-immersed transformer tanks feature cooling fins to increase the surface area for better heat dissipation, improving the transformer’s overall efficiency.
5.Protective Measures: The tank is fitted with various safety devices, such as temperature and pressure gauges, as well as a conservator tank in some designs, to maintain a consistent level of oil and prevent overheating.

Advantages

• Efficient Cooling: The oil helps dissipate heat effectively, allowing the transformer to operate at higher capacities without overheating.
• Improved Insulation: The oil provides excellent dielectric properties, ensuring that the transformer operates safely without risk of electrical discharge.
• Longer Lifespan: Oil-immersed transformers, with proper maintenance, tend to have a longer operational life compared to dry-type transformers.

Applications

Oil-immersed transformer tanks are commonly used in:

• Power distribution stations: For medium to large transformers.
• Substations: To ensure stable voltage and power supply in various industries.
• Utility companies: In power transmission and distribution networks.

Technical Parameters

Tank & Insulating Oil

Note: OA = Oil Natural Air, FA = Forced Air, TA = Forced Oil Circulation + Forced Air