What Is the Electrical Safety Distance of Transformers?

The electrical safety distance of transformers is a crucial factor for ensuring the safe operation of the power system and the safe operation of personnel. It involves considerations from multiple aspects and plays an extremely important role in maintaining the stability and safety of the entire power environment.

Content

●Comprehensive Consideration Factors for Safety Distance

The electrical safety distance of transformers is not only focused on electrical safety itself. On the one hand, it is necessary to fully consider the requirements of electrical insulation to prevent dangerous situations such as electrical breakdown and discharge caused by too close a distance, ensuring the stability and reliability of power transmission. On the other hand, transformers generate heat during operation, and good ventilation and cooling are essential for their normal operation. If the safety distance is set unreasonably, it may hinder air circulation and affect the heat dissipation effect, which will then lead to excessive temperature of the transformer, accelerate insulation aging, shorten the service life, and even cause failures. In addition, it is also necessary to take into account the convenience of operation for workers. A reasonable distance can make it safer and more efficient for workers to carry out operations such as maintenance and tap changer adjustment.

● Safety Distance Standards for Different Voltage Levels

There are clear safety distance regulations for transformers of different voltage levels, as shown in the following table:

These regulations are obtained through a large number of practical and theoretical studies. Strictly following these standards can effectively reduce the probability of electrical accidents and ensure the electrical safety environment around the transformer.

● Distance Requirements for Special Situations

In some special situations, such as when tap changer adjustment operations are involved, there are additional requirements for the safety distance. Under normal circumstances, in order to facilitate the adjustment of the tap changer, the high-voltage side should appropriately increase the distance to obstacles. This is because during the tap changer adjustment process, phenomena such as electric arcs may occur. If the surrounding obstacles are too close, it is easy to cause safety accidents. Increasing the distance can provide a safer space for the operation and reduce the risk of electrical failures caused by improper operation or unexpected situations.

In Summary

In conclusion, the electrical safety distance of transformers is a comprehensive concept that covers multiple aspects such as electrical safety, ventilation and cooling, and operational convenience. Strictly setting the safety distances of transformers of different voltage levels according to relevant standards and making reasonable adjustments in special situations is of great significance for ensuring the safe and stable operation of the power system, extending the service life of transformers, and ensuring the personal safety of workers.

Contact Us

LuShan, est.1975, is a Chinese professional manufacturer specializing in power transformers and reactors for 49 years. Leading products are single-phase transformer, three-phase isolation transformers,electrical transformer,distribution transformer, step down and step up transformer, low voltage transformer, high voltage transformer, control transformer, toroidal transformer, R-core transformer;DC inductors, AC reactors, filtering reactor, line and load reactor, chokes, filtering reactor, and intermediate,high-frequency products.

Our power 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(furnace), central air conditioning.

Know more about power transformer and reactor :www.lstransformer.com