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Re:High Voltage Direct Current Transmission Line to Connect ... by cwillu on Friday February 17, 2023 @08:05PM (#34842767)
https://en.wikipedia.org/wiki/File:Pole_2_Thyristor_Valve.jp...

My understanding is that the semi's are stacked so that any individual switch only sees a voltage it can handle, with safeguards to cut off the whole mess on failure.

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