An inverter cooling system, the inverter cooling system comprising: an inverter, the inverter comprising: at least one inverter module set, each inverter module set comprising at least two inverter modules arranged adjacently and in parallel in a first direction; a bus, wherein each inverter module is respectively connected to the bus in the first direction, wherein each inverter module comprises: a rectifier unit, a DC link unit, and an inversion unit, wherein: the rectifier unit comprises at least two rectifier elements; the inversion unit comprises at least two inversion elements; and the DC link unit comprises at least two DC link elements, the inverter cooling system further comprising a common wind channel for gathering gas flows which have performed a cooling action on the inverter modules in the inverter, which extends past a wind outlet for a cooling gas flow of each inverter module set; a fan assembly is arranged on one side of the common wind channel and being directly connected to the common wind channel and configured to draw gathered gas flows out of the common wind channel, and the inverter cooling system is characterized in that the rectifier unit and the inversion unit are located upstream in a flow direction of a cooling gas flow, and the DC link unit is disposed downstream in the flow direction of the cooling gas flow. at least one inverter module set, each inverter module set comprising at least two inverter modules arranged adjacently and in parallel in a first direction; a bus, wherein each inverter module is respectively connected to the bus in the first direction, wherein each inverter module comprises: a rectifier unit, a DC link unit, and an inversion unit, wherein: the rectifier unit comprises at least two rectifier elements; the inversion unit comprises at least two inversion elements; and the DC link unit comprises at least two DC link elements, the inverter cooling system further comprising a common wind channel for gathering gas flows which have performed a cooling action on the inverter modules in the inverter, which extends past a wind outlet for a cooling gas flow of each inverter module set; a fan assembly is arranged on one side of the common wind channel and being directly connected to the common wind channel and configured to draw gathered gas flows out of the common wind channel, and the inverter cooling system is characterized in that the rectifier unit and the inversion unit are located upstream in a flow direction of a cooling gas flow, and the DC link unit is disposed downstream in the flow direction of the cooling gas flow. the rectifier unit comprises at least two rectifier elements; the inversion unit comprises at least two inversion elements; and the DC link unit comprises at least two DC link elements, the inverter cooling system further comprising a common wind channel for gathering gas flows which have performed a cooling action on the inverter modules in the inverter, which extends past a wind outlet for a cooling gas flow of each inverter module set; a fan assembly is arranged on one side of the common wind channel and being directly connected to the common wind channel and configured to draw gathered gas flows out of the common wind channel, and the inverter cooling system is characterized in that the rectifier unit and the inversion unit are located upstream in a flow direction of a cooling gas flow, and the DC link unit is disposed downstream in the flow direction of the cooling gas flow.