Cooling system of intelligent power unit

The invention provides a cooling system, and particularly relates to a cooling system of a vehicle intelligent power unit, the cooling system comprises an engine radiator, an intercooler, a generator radiator, a controller and a high-pressure fan, a water outlet of the engine radiator is provided with a first temperature sensor, and an air outlet of the intercooler is provided with a second temperature sensor; a first temperature sensor is arranged at the water inlet of the generator radiator, a second temperature sensor is arranged at the water outlet of the generator radiator, a third temperature sensor is arranged at the water outlet of the generator radiator, the first temperature sensor, the second temperature sensor and the third temperature sensor are connected with the controller, and the controller is connected with a fan motor driver of the high-pressure fan. It can be guaranteed that the engine is rapidly heated at the initial starting stage of the power unit, and meanwhile the heat dissipation req