List of Articles Mehdi Nafar Article 1 - Studying Impact of Unified Power Flow Controller on improve transient stability by Improved Harmony Search Algorithm Mehdi Nafar Mostafa Abbasi Mojtaba Abbasi International Journal of Information, Security and Systems Management , Issue 1 , Year , Winter 2016 Article 2 - Improvement of Power System Condition by Placement of Flexible Alternating Current Transmission Systems devices Mehdi Nafar Mojtaba Abbasi Mostafa Abbasi International Journal of Information, Security and Systems Management , Issue 2 , Year , Spring 2016