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In ships the ballast water treatment system (BWTS) of using electrolytic disinfection needs low-voltage high-current rectifiers with such good performance as high efficiency, galvanic isolation between electric source and electrolysis module unit, light weight and small volume. Several rectifier schemes are reviewed as a kind of good rectifier candidate for BWTS and their comparison results are summarized...
Lightweight power supply systems using soft-switched high frequency dc-dc converter for rolling stock is proposed in this paper. The system consists of hard switched boost chopper, soft switched high frequency inverter, high frequency transformer and rectifier. This system features a boost chopper to control the input current and to set up a controlled DC link. And A soft switched full bridge inverter...
A power conversion system (PCS) for photovoltaic power generation system is composed of the DC/DC converter and the DC/AC inverter. To maximize power generation, DC/DC converter operated with MPPT (Maximum Power Point Tracking) algorithm and the PCS has been developed by the method of transformer tab change. DC/AC inverter controls DC-link voltage and grid current. But, single phase grid has 120 Hz...
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