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In the bidirectional wireless power transfer (WPT) system, each power circuit of the transmitter and the receiver part is controlled by different controllers. Therefore, to control and maintain the entire system, the output voltage phase synchronization and data transmission functions between the controllers should be implemented. The communication circuit is normally used to realize them, but this...
This paper presents an estimation scheme of cell capacitor voltage for the Modular Multilevel Converter (MMC) to reduce the sampling data and its associated communication time coming from enormous number of cells in HVDC application. For the control of cell capacitor voltage of each cell, it is necessary to know the state of the voltage and it is generally measured by voltage sensors. And, to sample...
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