1, cities and large industrial and mining areas: dry type transformers are required to be placed in fire and explosion protection sites. For example, high-rise buildings, underground buildings, airports, transport hubs, communications and information centers, important municipal facilities, commercial centers, etc., can use 6-10 kV distribution transformers and 35 kV power transformers.

2, thermal power plant, hydropower plant, nuclear power plant self power transformer, generator excitation transformer.

3. Part of chemical industry, rectification transformer and metallurgical transformer.

4. Traction transformers such as low railways.