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In this paper, a high frequency (HF)-based three-phase Semicontrolled rectifier-current source inverter system is proposed for grid-connected permanent magnet wind generators. The main advantages of the topology are: high efficiency due to less power losses and reduced number of switching elements, high output power density realization, reduced passive component ratings proportionally to the frequency,...
In this paper, a new compensation strategy for receiving clean power is proposed with a conventional 18-pulse AC/DC rectifier scheme. In the proposed strategy, the compensation currents are injected at the dc side in front of the inter-phase transformer. The injected currents generated by a three-phase current-controlled inverter effectively improve the total harmonic distortion (THD) of the ac main...
This paper proposes a novel control method of an indirect matrix converter to reduce the switching loss of inverter stage and to reduce the junction temperature at the low output frequency operation. The proposed control method achieves the zero-voltage switching (ZVS) operation in the inverter stage instead of the rectifier stage as in the conventional method. As a result, this method reduces the...
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