1. Wind and solar power systems: design, analysis, and operation;Patel,2006
2. The history and state of the art of variable-speed wind turbine technology;Carlin,2001
3. Review of contemporary wind turbine concepts and their market penetration;Hansen;Wind Eng,2004
4. Control strategy for variable-speed, stall-regulated wind turbines;Muljadi,1998
5. Rotor speed stability analysis of constant speed wind turbine generators;Kanabar,2006