1. Ackermann T (2011) Wind power in power systems. Wiley, New York
2. Marinelli M, Massucco S, Mansoldo A, Norton M (2011) Analysis of inertial response and primary power-frequency control provision by doubly fed induction generator wind turbines in a small power system. In: 17th Power systems computation conference, pp 1–7
3. Christensen PW, Tarnowski GT (2011) Inertia of wind power plants state of the art review. In: The 10th international workshop on large-scale of wind power, Aarhus, Denmark
4. Muljadi E, Gevorgian V, Singh M, Santoso S (2012) Understanding inertial and frequency response of wind power plants. In: 2012 IEEE power electronics and machines in wind applications, pp 1–8
5. Sharma S, Huang SH, Sarma N (2011) System inertial frequency response estimation and impact of renewable resources in ERCOT interconnection. In: 2011 IEEE power and energy society general meeting, pp 1–6