1. ``2015 State of the Electric Utility'', Survey by Utility Drive, Online: http://www.utilitydive.com/news/what-utility-execs-think-the-future-holds/356710/, 2015, p. 22.
2. "Utility of the Future Pulse Survey 2014", DNV GL Survey, Online: http://www.dnvgl.com/energy/download/U-of-F-Pulse-Survey-2014.aspx, 2014.
3. State of the art of Fault Current Limiters and their applications in smart grid;Yucheng,2012
4. "Fault Current Limiters impact on protections", CIGRE Brochure 339, 2008.
5. Fault Current Limiters in Electrical Medium and High Voltage Systems, CIGRE Working Group 10 of Study Committee A3 (High Voltage Equipment) 2003.