This transformer has good heat dissipation, and its coil does not absorb moisture. It does not pollute the environment, and can be installed in the loading center.Low noise and low loss. It is energy-saving, economic and free from maintenance. It has high mechanical strength, strong insulation and good short-circuit withstand capacity.It has good fire protection, anti - explosion and disaster- prevention performance. Low loss, small in size, light in weight, and easy to install.