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Yazdi, Seyed Saeid Heidari (author), Rouzbehi, Kumars (author), Carrizosa, Miguel Jimenez (author), Heidary, Amir (author), Bagheri, Mehdi (author)Future high-voltage direct-current (HVDC) networks based on voltage source converters (VSCs) will have different structures (asymmetric monopolar, bipolar, or symmetric monopolar), voltage levels, control, and protection schemes. Therefore, dc-dc converters are needed to interconnect those VSC-HVDC grids and several technical issues on their...journal article 2023