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Equivalent circuits of Modular Multilevel Converters (MMCs) and Voltage-Source Converters (V SCs) are developed to predict that MMCs are suited for series connection for Ultra High Voltage MMC-HVDC transmission and for parallel connection as Multi-terminal MMC-HVDC. Simulations validate the predictions.
This paper contributes to establish Individual-Phase Decoupled P-Q Control as a methodology for operating VSCs for both symmetrical and asymmetrical conditions. This paper extends the scope of the Individual-Phase Control of a D-STATCOM (voltage source converters) by showing that it can implement active filtering under asymmetrical operating conditions. This is accomplished by a combination of: (i)...
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