Device and method for simulating SF6 gas leakage fault of GIS electrical equipment

The invention discloses a device and a method for simulating an SF6 gas leakage fault of GIS electrical equipment. The device comprises a base, a GIS simulation pipeline, gas storage tanks, a mixed gas tank and an electrical control system; wherein a plurality of porcelain sleeves are welded on the GIS simulation pipeline, and small leakage holes are formed in the GIS simulation pipeline and the porcelain sleeves; each gas storage tank is arranged on the base respectively; the mixed gas tank is equipped with a pressure sensor, a gas leakage hole and a gas inlet, a gas leakage pipe is arrangedoutside the gas leakage hole, a gas inlet pipe is arranged outside the gas inlet, the other end of the gas inlet pipe communicates with the corresponding gas storage tank, both the gas leakage pipe and the gas inlet pipe are provided with solenoid valves for controlling opening/closing of the pipeline, and the mixed gas tank is arranged in the GIS simulation pipeline. The device of the invention has the beneficial effects