FIELD: transport engineering.
SUBSTANCE: cooling system of electric machines of combined power plant of the sequential type for the vehicle consists of one general radiator, expansion tank and two pumps powered by a low-voltage network. The first pump provides liquid flow through the cooling circuit of the first electric machine and its inverter. The second pump provides liquid flow through the cooling circuit of the second electric machine and its inverter. The check valve provides the flow through the cooling circuit of the first electric machine and first inverter when the second pump is switched off during the vehicle movement in zero-emission mode due to the battery energy without the need of cooling the second electric machine and its inverter when the internal combustion engine is switched off.
EFFECT: reduced energy consumption.
1 cl, 2 dwg
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