Vacuum epoxy casting technology is widely used in transformer production to improve the performance of transformers. However, due to the complexity of the process and the use of high temperature and vacuum, it can also lead to faults in some transformers. Therefore, it is important to have a good understanding of the fault diagnosis and countermeasures for vacuum epoxy casting transformer.

The most common fault of the vacuum epoxy casting transformer is the uneven insulation performance of the transformer. This can result from the improper molding of the transformer, or the uneven heating or cooling of the transformer during the production process. To diagnose this type of fault, the transformer should be tested and measured to check the insulation performance of each part. The insulation performance of the transformer should be compared to the standard insulation performance. If there is any significant discrepancy, the cause of the fault should be identified and the corresponding countermeasures taken.

Another common fault of vacuum epoxy casting transformer is the high temperature of the transformer. This usually results from the improper sealing of the vacuum chamber or the cooling system, leading to insufficient cooling and high temperature. To diagnose this kind of fault, the temperature of the transformer should be tested and compared to the standard temperature. If the temperature of the transformer is found to be significantly higher than the standard temperature, appropriate countermeasures should be taken to ensure efficient cooling and proper temperature control.

In addition, to ensure the safety and quality of the transformer, it is necessary to strictly control the process parameters and equipment parameters in the production process. The process parameters should include appropriate stirring time, mixing ratio, temperature, pressure and cooling speed. The equipment parameters should include the thickness of the mold, the quality of the furnace, the quality of the vacuum pump, the cooling fan, and the quality of the vacuum chamber. All of these parameters should be strictly controlled to ensure the safety and quality of the transformer.

For a successful vacuum epoxy casting process, it is also important to ensure that the operators have the appropriate skills and experience. The operators should be trained in the operation of the equipment and the process, and they should understand the safety requirements and maintenance procedures. They should also be able to identify potential problems and use appropriate countermeasures to ensure that the transformer production process is running smoothly.

Finally, the transformer can also fail due to the improper use of epoxy. If the epoxy is not mixed and applied properly, it can lead to a decrease in insulation performance and increase the risk of transformer failure. To diagnose this type of fault, the epoxy should be tested and compared to the standard application requirements to ensure that it meets the requirements for production.

In summary, vacuum epoxy casting transformer can suffer a number of faults due to improper operation or use of equipment. It is important to understand the fault diagnosis and countermeasures for these faults to ensure that the process of vacuum epoxy casting is running safely and efficiently. Proper diagnosis and countermeasures should be taken in the event of a fault to reduce the risk of transformer failure.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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