Control method and system of electric transmission system

The invention discloses a control method and system of an electric transmission system, the control method and system are applied to a super-tonnage hybrid power loader, and the electric transmission system comprises an engine, a generator and a transfer case which are installed in a coupling mode;...

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Bibliographische Detailangaben
Hauptverfasser:	GONG YI, TANG XUNLU, LIU MENG, FU RUYUAN, YAN XIAOYU, HE YAPING, LIU HUIRONG, ZHANG WENJIN, QIU XIN, LIANG JINCHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention discloses a control method and system of an electric transmission system, the control method and system are applied to a super-tonnage hybrid power loader, and the electric transmission system comprises an engine, a generator and a transfer case which are installed in a coupling mode; the hydraulic system is connected with the transfer case; the electric traction system is connected with the generator; the control method comprises the steps that first real-time power and first allowable power of the hydraulic system are obtained; acquiring second real-time power of the electric traction system; calculating second allowable power of the electric traction system according to the first real-time power, the first allowable power and the second real-time power; and determining the motor torque of the electric traction system according to the second allowable power. As the electric transmission system does not need mechanical transmission components such as a hydraulic torque converter, a transmission