Integrated Modulation Technique For Switched Capacitor Ultra Sparse Matrix Converter
2018 IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS (PEDES)(2018)
摘要
Ultra sparse matrix converter(USMC) is a unidirectional single stage AC-AC converter without DC link capacitor. However it has limited voltage gain. To enhance voltage gain and to achieve wider load power factor range, a switched capacitor USMC (SC-USMC) is being reported recently. Even for unbalanced supply conditions SC-USMC produced balanced output without any additional protection circuitry. By proper placement of switching states voltage gain of SC-USMC and capacitor voltage rating can be improved. This paper addresses these improvements by proposing integrated space vector modulation technique for SC-USMC. Proposed modulation scheme is validated through analysis, simulation and experimental results.
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关键词
Ultra Sparse Matrix Converter, Space Vector Modulation, Switched Capacitor boost network
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