1. “World Wind Energy Association World Wind Energy report 2009[R/OL],” http://wwindea.org/home/images/stories/worldwinenergyreport2009_s.pdf.2009.
2. ACKERMANN T. “Wind power in power system”, New York, USA: John Wiley&Sons, 2005.
3. A DFIF wind turbine ride through system influence on the energy production;Petersson;Wind Energy,2005
4. C. Abbey and G. Joos, “Effect of low voltage ride through (LVRT) characteristic on voltage stability”, IEEE Power Electronics Specialist Conference PESC. SanFrancisco, June 2005.
5. “Nordel.Nordic grid code 2007(Nordic collection of rules) [EB/OL]”, [2009–08–29]. http://www.entsoe.eu/_library/publications/nordic/planning/070115_entsoe_nordic_NordicGridCode.pdf