In the transformer, there are also structural materials and accessories. The structural materials mainly perform functions such as transformer support, magnetic circuit, circuit reinforcement, transformer insulating fluid packaging, etc., including clamps, oil tanks, radiators, oil storage tanks, etc. The main materials are For Q235 steel, non-magnetic steel is often used for the outlet casing of the fuel tank cover to reduce eddy currents. In addition, non-magnetic steel or high-grade steel is sometimes used inside the transformer body.

Transformer accessories mainly have performance monitoring and protection functions. Dry transformers include thermostats, fans, transformers, etc. Oil transformers include gas relays, thermostats, pressure relief valves, tap changers, etc. Some accessories are required by customers. propose.