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This paper proposes a design method of the feedforward controller to improve on the non-interference control performance of a single-phase AC/DC PWM converter in parallel for high speed trains. The feed-forward controller compensates interference phenomenon generated by switching converter in parallel. As the secondary leakage inductance in transformer is changed by operating conditions of the transformer,...
In order to achieve the good load sharing performance in parallel operation of a three-phase UPS inverter system, this paper describes a control method with an inverter current feed-forward compensator including design criteria for choosing the feed-forward gain. Especially, this paper discussed about the harmonic circulating current due to PWM non-synchronization which disturbs the precision of load...
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