Abstract
This paper proposes a improved hill climbing searching (HCS) maximum power point tracking (MPPT) control strategy for the dual power flow (DPF) wind energy conversion system (WECS) which is based on the electrical variable transmission (EVT). The proposed improved HCS MPPT strategy is developed based on the electrical power which is generated by the stator. The peak detection capability has been devised to improve the MPPT performance. Besides, the SMMRAS based sensorless control is used to estimate the outer rotor speed. The simulation model of DPF-WECS with sensoreless HCS MPPT based control strategy is built based on Matlab/Simulink and the efficiency of the proposed strategy is verified by the simulation results.
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