Abstract
A dual mechanical port machine (DMPM) is used as an electrically variable transmission (EVT) in hybrid electric vehicle (HEV). In the conventional HEV, this machine is replaced by a planetary gearbox and two electric machines and makes this structure simpler. This paper presents field oriented control (FOC) for DMPM. For HEV application, drive efficiency and wide operating speed range are important. The control strategy, which uses the maximum torque per ampere (MTPA) method at low speed and flux weakening (FW) method at high speed are proposed. The model of DMPM considering the magnetic coupling between two air gaps has been developed in MATLAB/Simulink and the proposed control strategy is applied to DMPM. The simulation results have been provided with a brief discussion at the end.
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