TY - GENERIC DO - 10.20944/preprints201806.0189.v1 UR - http://dx.doi.org/10.20944/preprints201806.0189.v1 TI - Effects of Voltage Sags on the Doubly Fed induction Generator using PI Controllers T2 - Preprints AU - Rafiee, Zahra AU - Rafiee, Mansour AU - Aghamohammadi, Mohammadreza PY - 2018 DA - 2018/06/12 PB - Preprints