Electrically-aided turbocharging system and control method thereof
A technology of turbocharging system and control method, applied in electrical control, engine control, fuel injection control and other directions, can solve the problems of insufficient low-speed torque, slow transient response, etc., to improve low-speed torque output, alleviate turbo lag, improve Effects of startup and acceleration performance
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[0037] One end of the electric auxiliary turbocharger 1 of the present invention is installed on the inlet end of the air intake passage 14, and the other end is installed on the outlet end of the air outlet passage 15. The electric auxiliary turbocharger 1 is composed of an auxiliary high-speed motor 2, a compressor 3, a turbine The turbocharger rotating shaft 4, turbine 5, and wastegate valve device 6 are composed. The compressor 3 is installed at the inlet of the air intake, and the auxiliary high-speed motor 2 is installed between the compressor 3 and the turbine 5. The auxiliary high-speed motor 2 rotor, compressor The engine 3 and the turbine 5 are coaxially connected through the turbocharger rotating shaft 4, the stator of the auxiliary high-speed motor 2 is installed on the shell of the electric auxiliary turbocharger 1, and the auxiliary high-speed motor 2 is connected with a storage battery 8 through a power converter 7; An intercooler 9 is installed on the air passag...
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