1. 2003 IEEE Power Tech Conf. Proc. 2003 Bologna A. Lesnicar R. Marquardt An innovative modular multilevel converter topology suitable for a wide power range
2. Topologies for VSC transmission
3. High‐voltage direct current (HVDC) power transmission using voltage sourced converter (VSC) BSi 2011 pD IEC/TR 62543:2011
4. 2012 Tenth IET Int. Conf. on AC and DC Power Transmission (ACDC 2012) R. Sellick M. Akerberg Comparison of hvdc light (vsc) and hvdc classic (lcc) site aspects for a 500 mw 400 kv hvdc transmission scheme 1 6