Power transformer fault diagnosis device and diagnosis method thereof

The invention discloses a power transformer fault diagnosis device and a diagnosis method thereof, and relates to the technical field of power transformer fault diagnos.The power transformer fault diagnosis device comprises a box body, a clamping assembly is detachably installed on the left side edge of the top end of the box body, and a heat dissipation base is detachably installed on the outer surface of the bottom end of the box body; a diagnosis device is detachably installed at the edge position of the right side of the top end of the heat dissipation base, the box body comprises a box body shell, a clamping opening is formed in the top end of the outer surface of the left side of the box body shell, and positioning grooves are formed in the two sides of the bottom end of the clamping opening. According to the invention, by arranging the diagnosis assembly, rapid fault detection can be conveniently carried out on a transformer in the box body, a motor is arranged to drive a pull rope to conveniently pull