This paper proposes to construct a fault simulation device for gas leak detection of electrical equipment

which can effectively simulate multiple leak locations such as flanges of porcelain bushings

cracks in porcelain bushings

welds on metal tanks

and screw connections.The designed electrical control system can control the leaking position and adjust the leaking rate. The color touch screen human-machine interactive interface is intuitive and convenient.The use of SF

6

/N

2

mixed gas instead of pure SF

6

gas reduces the injury to personnel caused by SF

6

gas.The device can be used for teaching training

instrument assessment and experimental research

and has good practicability and economy.