Marine fuel cell push boat-barge hybrid power system and control method thereof

The invention discloses a marine fuel cell push boat-barge hybrid power system and a control method thereof, the system is divided into a push boat part and a barge part, and a direct current bus on the push boat is connected with a direct current bus on the barge through a quick plug. Electric energy generated by the fuel cell system of the push boat passes through a first DC/DC converter and then is connected to the direct current bus; the direct-current bus on the push boat is connected with a first lithium battery, a first inverter and a second inverter respectively; the first inverter is connected with a first living load; and the second inverter is connected with the motor and the propeller. The direct current bus on the barge is connected with a second DC/DC and a third inverter, and the third inverter is connected with a second living load. According to the system, the fuel cell system is separated from passengers and cargoes in the barge, the safety can be improved, meanwhile, mutual switching of mul