Performance assessment of VSC-based HVDC system in asynchronous grid interconnection: Offline and real-time validation of control design with symmetric optimum PI tuning oleh Adesh Kumar Mishra, Saurabh Mani Tripathi, Omveer Singh, Ankit Kumar Srivastava, Thiyagarajan Venkatraman, Raghavendra Rajan Vijayaraghavan, Sachin Kumar, Rajvikram Madurai Elavarasan, Lucian Mihet-Popa