Heat dissipation structure, transformer and power system

The utility model discloses a heat dissipation structure, a transformer and an electric power system, the heat dissipation structure comprises a fan and a plurality of heat dissipation pipes movably connected with the fan through flexible pipes, and the heat dissipation pipes are arranged at equal intervals in the circumferential direction; wherein the fan is fixedly mounted on the mounting plate,the radiating pipe is rotatably connected to the inner wall of the second ring body, and the second ring body is fixedly mounted on the mounting plate; the impeller shaft of the draught fan is drivento rotate through work of the motor, the impeller shaft drives the blades to rotate to generate airflow, the airflow is pumped into the heat dissipation pipe through the hose and sent out of the heatdissipation pipe, the air supply and heat dissipation effects are achieved, meanwhile, the impeller shaft further drives the reciprocating assembly to act, and the reciprocating assembly drives the first ring body to horizonta