A HVDC link is operating with 175 KV AC line voltage at the rectifier. When the DC current is 1100 Amps, the rectifier delay angle is 100 and inverter extinction angle is 200. The resistance of the line is 23 ohms and the commutating reactances of the rectifier and inverter are 22 ohms and 21 ohms. Calculate the DC voltages at the rectifier and inverter terminals and the AC line voltage at the inverter.

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HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.