VSC-HVDC Robust LMI Optimization Approaches to Improve Small-
Signal and Transient Stability of Highly Interconnected AC grids
VSC-HVDC Robust LMI Optimization Approaches to Improve Small-Signal and Transient Stability of Highly Interconnected AC grids by Yankai Xing 1 , Elkhatib Kamal 1, Bogdan Marinescu 1*