How does the geological environment impact the operation of transformers?

The primary consideration is the transformer's ability to withstand earthquakes. Under normal operating conditions, it is stipulated that the horizontal acceleration of the ground should be less than 0.3g, and the vertical acceleration should be less than 0.15g. When installing transformers in seismically active zones, it can be specified during the ordering process the Richter seismic intensity that the transformer should be able to withstand.

Regarding the internal structure of transformers, it has been designed with a focus on secure fixation during transportation and the ability to withstand mechanical stress caused by short-circuit currents. Therefore, the internal components are not affected by seismic intensity. The key considerations lie in the seismic resistance of high-pressure and ultra-high-pressure bushings, along with the elevated base.

To prevent inadvertent movement of gas relays during earthquakes, spring-type contact gas relays with double-point series connections can be provided. For instance, if a user needs to secure a transformer on a ground track, it is sufficient to specify in the contract the provision of special fixation devices to prevent the transformer from jumping off the track during seismic events.

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 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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