A method for real time voltage stability monitoring in sub-transmission networks. - D. T. Duong; Kjetil Uhlen; Stig Lovlund (PSCC, 2014)

A scheme for coordinated secondary voltage control for systems with multiple VAr reserves. - Dinh Thuc Duong; Lester Kalemba; Kjetil Uhlen; Stig Lovlund (ISGT, 2015)