Abstract
This paper proposes a multi-input high step-up DC-DC converter to drive a three-phase permanent magnet synchronous motor (PMSM). The proposed converter consists of the multi-input supplies in order to increase the power to the load. Renewable energy sources such as solar energy and wind power can be used to supply the converter. The high step-up voltage conversion gain, approximately 30 times, can be achieved from the proposed converter. The generated high output voltage is then fed the three-phase inverter driving the PMSM. The control strategies for the proposed multi-input converter and the PMSM drive system will be described. Simulation results show the effectiveness of the proposed multi-input high step-up converter for renewable energy-drive systems under different operating conditions.
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