AC/DC Conversion - Hg. Arc, SCR, Bridge rectifier and inverter circuits. Recent trends of HVDC valves. Principles of grid control,
firing angle control, harmonic analysis, commutation failure, starting and stopping of DC Link.
Reactive Power requirement, types of forced commutation. Corona and Radio interference, protective devices.
Smoothing reactors - Functions, double commutation failure, consequent commutation failure - their prevention.
Simulation of HVDC systems, Parallel operation of HVDC and AC systems, multiterminal DC systems.
Stability of AC/DC interconnected systems.