Need for HVDC, AC vs. DC: Comparative advantages. Converters and their characteristics. Control of the converters (CC and CEA).;Parallel and series operation of converters. Equivalence of a dc system in an ac system. Per unit systems. AC-DC load flow analysis.
K.R. Padiyar, HVDC Power Transmission Systems, Wiley eastern Ltd. 1990.
I. Arillaga, C.P. Arnold and B.J. Haskar, Computer Modelling of Electrical Power Systems, John Wiley, 1993.
Papers form IEEE Transactions on Power Apparatus and Systems, and Power Systems.