Hydrogen fuel cell waste heat recovery power generation system

The utility model relates to a hydrogen fuel cell waste heat recovery power generation system, which comprises a main heat dissipation system, an auxiliary heat dissipation system, a thermoelectric power generation system and a voltage converter, the main heat dissipation system comprises a fuel cell stack, an intercooler, a three-way valve I, a three-way valve II, a heater, a first radiator, a first water pump and a main water tank, the three-way valve I comprises a connector A, a connector B and a connector C. The three-way valve II comprises a connector D, a connector E and a connector F. The connector B of the three-way valve I is connected with a hot end water inlet of the thermoelectric power generation system, and the connector D of the three-way valve II is connected with the connector C of the three-way valve I and a hot end water outlet of the thermoelectric power generation system. The auxiliary heat dissipation system comprises an electrical part, a second radiator, an auxiliary water tank and a s