Advantages and Disadvantages of Oil-immersed Transformers
2023-12-25 12:16 | By: ZTELEC-www.ztelecgroup.com | 88click
Oil-immersed transformers are a common type of transformer whose insulation system uses a liquid insulating agent (usually insulating oil). Here are some advantages and disadvantages of oil-immersed transformers:
1. Advantages:
Good insulation properties: Oil is an excellent insulating material that can effectively isolate windings and provide good electrical insulation properties.
High power density: Oil-immersed transformers can transmit larger power relative to their volume and have higher power density.
Good cooling performance: Oil can effectively cool the transformer and help maintain normal operating temperature of the equipment.
Low noise: Due to the better insulating properties of insulating oil, oil-immersed transformers usually produce relatively low noise.
Smaller volume: Under the same power, oil-immersed transformers usually have relatively smaller volumes.
Adapt to large-capacity needs: Oil-immersed transformers are suitable for large-capacity, high-voltage power systems and can meet the needs of large-scale power transmission and distribution.
2. Disadvantages:
Environmental issues: The insulating oil of oil-immersed transformers may contain some harmful substances, so environmental issues may be involved when handling and disposing of waste oil.
Maintenance is relatively cumbersome: Oil-immersed transformers require regular inspection and maintenance of oil quality, including testing and replacement of oil quality, which may be relatively cumbersome.
Higher cost: The manufacturing cost of oil-immersed transformers is relatively high, especially in special environments where explosion-proof equipment or oil tanks are required.
Possible risk of leakage: Oil-immersed transformers have a certain risk of leakage during operation, which may have a certain impact on the environment and personnel safety.
Not suitable for special environments: Oil-immersed transformers may not be suitable for use in some special environments, such as high altitude, humid or corrosive environments.
When selecting a transformer, you need to weigh and consider factors such as specific application scenarios, cost, and environmental protection to determine whether to use an oil-immersed transformer or other types of transformers.
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