Inspec keywords: power system stability; power convertors; power system interconnection; power transmission faults; power grids; control system synthesis; voltage control; optimal control; robust control

Other keywords: MMC-based dc-voltage power port; space-phasor representation; multiinfeed ac/dc smart grids; rotating dq frame; robustly control dc voltage; robust vector control; MIACDC smart grids

Subjects: Stability in control theory; Control of electric power systems; Power system management, operation and economics; Control system analysis and synthesis methods; Power system control; Power convertors and power supplies to apparatus; Voltage control; Optimal control