1. Adamson, C., Hingorani, N.G.: High Voltage DC Power Transmission. Garraway Limited, London (1964)
2. Alesina, A., Venturini, M.G.B.: Solid-state power conversion: a Fourier analysis approach to generalised transformer synthesis. IEEE Trans. Circuits Syst. CAS-28(4) (1981)
3. Arrillaga, J., Liu, Y.H., Watson, N.R.: Flexible Power Transmission; the HVDC Option. Wiley, Chichester (2007)
4. CIGRÉ TB 337: Increased System Efficiency by the use of New Generations of Power Semiconductors, December 2007
5. Davidson, C.C., de Préville, G.: The future of high power electronics in transmission and distribution power systems. In: 2009 13th European Conference on Power Electronics and Applications, pp. 1–14 (2009)