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Design and operation of FB (full bridge) MMC that meets HVDC specifications are studied in this paper. Three new design parameters: the over-modulation index (kMMC), the DC modulation index (Mdc), the minimal DC voltage (Vminpu) are introduced to specify the operation of a FB MMC. Power increase and semiconductor count increase with the increase of kMMC is analyzed to understand benefits of over-modulation...
The design and operation of full-bridge (FB) MMCs that meet HVDC specifications are studied in this paper. Three new design parameters: 1) the overmodulation index (); 2) the dc modulation index ( ); and 3) the minimal dc voltage ( ) are introduced to specify the operation of an FB MMC. Power increase and semiconductor count increase with the increase of ...
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