1. Dorn J, Huang H, Retzmann D. Novel voltage- sourced converters for HVDC and FACTS applications. Keynote In: International Council on Large Electric Systems (CIGRE’2007). Osaka, Japan; 2007
2. Gao Q, Lin Y, Huang L. An overview of Zhoushan VSC-MTDC transmission project. Power System & Clean Energy. 2015;31(2):33-38
3. Wakeman F, Hemmings D, Findlay W, Lockwood G. Pressure Contact IGBT, Testing for Reliability. Westcode Semiconductors Ltd.; March 2012
4. Häfner J, Jacobson B. Proactive hybrid HVDC breakers—A key innovation for reliable HVDC grids. The Electric Power System of the Future Integrating Super Grids and Micro-grids International Symposium; Bologna, Italy: IEEE, 2011. pp. 264-273
5. Zeller H. High power components from the state-of-the-art to future trends. In: Proceedings of the Conference on Power Conversion (PCIM’ 98); Nurmberg, Germany; May 1998. pp. 1-10