Heat dissipation system, wind generator set and heat dissipation supporting platform

A supporting platform for use in conjunction with a heat exchange apparatus, the supporting platform comprising a body portion, the body portion comprising an inlet, a plurality of outlets, a flow channel communicating the inlet with the plurality of outlets, and a mounting position for mounting a functional device;

• the inlet, the plurality of outlets and the flow channel together forming a medium circulation passage, the medium circulation passage being connected to the heat exchange apparatus, and a cooling medium delivered by the heat exchange apparatus flowing through the inlet and the flow channel and flowing out of the plurality of outlets to exchange heat with the functional device, wherein the body portion comprises a main beam and a reinforcement beam, the main beam and the reinforcement beam intersect and connect with each other, the plurality of outlets are provided on the main beam and are arranged at intervals in an extending direction of the main beam, and a cross section of one of the end portions of the main beam in the extending direction has a decreasing tendency along the extending direction.